I need to solve this problem using the he quadratic formula

I Need To Solve This Problem Using The He Quadratic Formula

Answers

Answer 1

Answer:

the quadratic formula is

-b +  {the square root of} b^2 - 4ac   / 2a

    -    

or just

(-b±√(b²-4ac))/(2a)

Step-by-step explanation:

yh


Related Questions

Find x: 32 ^ x * 16 ^ (- 2x) = 4 * 2 ^ (- 5x)

Answers

X = 1
Hope this helps!


A spinner is spun 400 times.
The probabilities it lands on each colour are shown below.
The probability it lands on red is the same as the probability it lands on yellow.

Colour Red Green Brown Yellow
Probability 0.14 0.4
How many times would you expect it to land on each colour?

Answers

The likelihood that it will land on red is the same as the likelihood that probability it will land on yellow. In this case, 52.

What exactly is probability?

Probability is a branch of mathematics that deals with numerical representations of the likelihood of an event occurring or of a proposition being true.

The probability of an event is a number between 0 and 1, with 0 generally denoting impossibility and 1 roughly denoting certainty.

based on the available facts;

Given, color likelihood Green Brown Yellow Red

P(R) + P(a) + P(B) + P(Y) = 1

2P(CR) + 0-74=1

P(R) 0.26/2

= 0.13 P(Y)

As it is span 400 times -

No. of times green= 0.2 off 400

                              =1/5 *(400)

                              =80

No. of times Brown= 0.54*100

                                =216

No. of times Red= 0.13× 400

                            = 52= No. of times yellow

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Find the slope and the y-intercept of the line. −5x-4y=−20 Write your answers in simplest form.

Answers

Answer:

y = [tex]\frac{-5}{4}[/tex] x +5

Step-by-step explanation:

-5x - 4y = -20  Add 5x to both sides of the equation

-4y = 5x -20  Divide both sides by -4

y = [tex]\frac{-5}{4}[/tex] x - [tex]\frac{20}{-4}[/tex]

y = [tex]\frac{-5}{4}[/tex] x - -5

y = [tex]\frac{-5}{4}[/tex] x + 5

a family paid 23,800 as a down payment for their home this is 14 percent of the cost of their home what is the total cost of their home ?

Answers

The total cost of the home is 1,70,000 .

given,

down payment of home=23800

14 percent of the cost of their home

Then from here the rule says that ,

=100 x 23800/14

=1,70,000

therefore, we get a result of the total cost of the home that is ,

1,70,000.

The term percentile and the related term percentile rank are often used in the reporting of scores from norm-referenced tests. For example, if a score is at the 86th percentile, where 86 is the percentile rank, it is equal to the value below which 86% of the observations may be found. In contrast, if it is in the 86th percentile, the score is at or below the value of which 86% of the observations may be found. Every score is in the 100th percentile.

The 25th percentile is also known as the first quartile (Q1), the 50th percentile as the median or second quartile (Q2), and the 75th percentile as the third quartile (Q3). In general, percentiles and quartiles are specific types of quantiles.

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WRITING DECIMALS AS FRACTION S​

Answers

Answer: first one

Step-by-step explanation:

Carissa has $250 in her checking account and it’s saving $15 each week. Brooke has $750 in her checking account and it’s spending $10 each week. How many weeks will it take for Carissa and Brooke to have to the same amount of money in their accounts?

Answers

Answer:

you just gotta add up what carissahas and subtract what Brooke has and you'll have the answer

Step-by-step explanation:

x = number of weeks

so, we need to see, what is the number of weeks it takes for both to have the same balance.

it takes both the same amount of weeks, of course.

so,

250 + 15x = 750 + 10x

15x = 500 + 10x

5x = 500

x = 100

it takes them 100 weeks to have the same amount of money in their accounts.

Write an equation in terms of x that represents the given statement. Solve the problem.

Negative three times the difference of 5 and a number is -48. Find the number.



(Step-step pls)

Answers

ANSWER: -3 (x-5) = -48 ~ x=21
Hey so basically the term “-3 times” means your going to multiply the quantity (what’s in parentheses) by the -3. “the difference “ means your using subtraction. “and a number” means you’ll have a variable. Next you just solve the problem! Nope this helps!

A retired woman has $30,000 to invest but needs to make $3,000 a year from the interest to meet certain living expenses. One bond investment pays 15% annual interest. The rest of it she wants to put in a CD that pays 7%.

If we let x be the amount the woman invests in the 15% bond, how much in dollars will she be able to invest in the CD?

Answers

On the basis that the woman invests in the 15% bond, she be  will able to invest $18,750 in the CD

What is the total expected interest from both investments?

The investment is based  on the fact the investor is able to make $3,000 in  interest from the bond and CD investments

total expected interest=$3,000

interest on bond investment=15%*x=0.15x

amount invested in CD=30000-x

interest on CD=(30000-x)*7%

interest on CD=2100-0.07x

total interest=0.15x+2100-0.07x

total interest=3000

3000=0.15x+2100-0.07x

3000=0.08x+2100

3000-2100=0.08x

900=0.08x

x=900/0.08

x=amount invested in the bond=$11,250

amount invested in CD=$30,000-$11,250

amount invested in CD=$18,750

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A quadrilateral has sides of length x cm, x + 3cm, x - 4cm and 2xcm. What is the perimeter of
the quadrilateral in terms of x?

Answers

Answer:

Step-by-step explanation:

perimeter is the sun of all sides, so, (x)+(x+3)+(x-4)+(2x)

                                                            = x+x+3+x-4+2x

                                                            = 5x-1 is the answer

                                                           

Factor by completing the square: x^4-x^2+16

Answers

It should be noted that the factoring of x⁴ - x² - 16 will be (x + 4)(x - 4).

How to illustrate the information?

It should be noted that the expression given is illustrated as:

x⁴ - x² - 16

= x² - 16

= x² - 4²

= (x + 4)(x - 4)

Therefore, the factoring of x⁴ - x² - 16 will be (x + 4)(x - 4).

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What does this statement print?
System.out. printIn("bc" + 2 + 3)

Answers

The print statement System.out. printIn("bc" + 2 + 3) would print "bc23"

How to determine the output of the print statement?

The statement is given as

System.out. printIn("bc" + 2 + 3)

The above statement is a Java print statement

The expressions in the print bracket would be treated as strings.

This is so because of the first statement "bc"

So, the statements would be concatenated

Hence, the print statement System.out. printIn("bc" + 2 + 3) would print "bc23"

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8) The sum of four times a number, -1, six times a number, and 3

Answers

The expression for the statement is 4y - 1 = 3y + 4 and the number is 4.

The outcome of adding two or more numbers or phrases is known as the sum in mathematics. The sum is a method of bringing things together as a result.

Let's assume the number to be y.

Then,

4 times the number = 4y

6 times the number = 6y

Now, the sum of four times a number and -1 is equal to 6 times a number and 3.

4 × ( the number) + (-1) = 3 × ( the number) + 3

4 × (y) + (-1) = 3 × (y) + 3

4y - 1 = 3y + 3

Now, add 1 on each side:

4y - 1 + 1 = 3y + 3 + 1

4y = 3y + 4

Subtracting by 3y from each side:

4y - 3y = 3y + 4 - 3y

y = 4

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The boxplot shown below results from the heights (cm) of males listed in a data set. What do the numbers in that
K boxplot tell us?
156
168.1
173.7
The minimum height is
third quartile Q3 is
(Type integers or decimals. Do not round.)
181.4
cm, the first quartile Q, is
cm, and the maximum height is
192
cm, the second quartile Q₂ (or the median) is
cm.
cm, the

Answers

From the given box plot, it is found that:

The minimum height is of 156 cm, the first quartile Q1 is 168.1 cm, the second quartile Q2(or the median) is of 173.7 cm, the third quartile Q3 is of 181.4 cm, and the maximum height is of 192 cm.

What does a box-and-whisker plot shows?

A box and whisker plot shows five things:

The minimum value.The 25th percentile, which is the median of the bottom 50%.The median, which splits the entire data-set into two halfs, the bottom 50% and the upper 50%.The 75th percentile, which is the median of the upper 50%.The maximum value.

The measures are shown in order, from left to right, hence:

The minimum height is of 156 cm, the first quartile Q1 is 168.1 cm, the second quartile Q2(or the median) is of 173.7 cm, the third quartile Q3 is of 181.4 cm, and the maximum height is of 192 cm.

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8x^2-25x+3 show work

Answers

Answer:

look for the factors for the expression

8x^2-x-24x+3

x(8x-1)-3(8x-1)

(8x-1)(x-3)

Carrie ran 76 miles a month for 11 months. During
the twelfth month, she ran 121 miles. How many
total miles did Carrie run?

Answers

Answer:

957

Step-by-step explanation:

76x11=836

836+121=957

I'm really confused on how I'm only getting 4 / 5. Can someone help me?

Answers

The total pay for last week that Nelly earned was £180

How to determine the amount

From the information given, we have that;

For Monday - Friday

£8 is paid per hour for the first 15 hours£10 per hour for an extra hours

For Saturday

Double the normal rate of £8 per hour

The total hour She worked from Monday to Friday is;

= 3. 5 + 5 + 2.5 + 4 + 2

= 17 hours

From Monday to Friday

£8 × 15 = £120

£10 × 2 = £20

For Saturday

£8 × 2 = £16

£8 × 5 = £40

Total amount = £120 +  £20 + £40

Total amount = £180

Thus, the total pay for last week that Nelly earned was £180

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5th grade math question:
Marissa averages 6.053 points per game. What are some different ways you could decompose this decimal number?

Answers

Six and fifty-three thousandths

I'm sure

The area of Square A is 121 square inches. The length of each side of Square B is 2 inches longer than the length of each side of Square A. How much greater is the area of Square B than the area of Square A? Show your work.​

Answers

The area of the square B is a 169 and increase in the area w.r.t to the square A is 48.

According to the statement,We have to find that the Area of the square B.

So, For this purpose, we know that the

The Area is defined because the total space concerned by a flat (2-D) surface or shape of an object.

From the given information:

The area of Square A is 121 square inches. The length of every side of Square B is 2 inches longer than the length of every side of Square A.

Then

We know that the realm of the square is a^2

Then

Given area of the square = 121.

Area = [tex]A^2[/tex]

121 = [tex]A^2[/tex]

[tex]A = \sqrt{121}[/tex]

A = 11.

The side of the square a is 11.

And The side of the square B = 11+2

The side of the square B = 13

The Area of the square B = Side * Side

Area of the square B = 13* 13

Area of the square B = 169.

Now, Increase in the area = 169 -121

Increase in the area = 48.

So, The area of the square B is a 169 and increase in the area w.r.t to the square A is 48.

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Hello Can Someone Please Answer These Math Questions for Me

Answers

The answers are:
1. 4/25
2. 1
3. 625

The value of a stock increased 1 3/4 on Monday morning. On Monday afternoon the value of the stock decreased 1 1/3 points. On Tuesday morning the value increased 1 1/8 points what is the overall change in the stocks value

Answers

The overall change in the stock's value is [tex]1\frac{13}{24}[/tex].

What is the overall change in the stock's value?

A mixed fraction is a non-integer that is made up of a whole number, numerator and a denominator. An example of a mixed fraction is 1 3/4. 1 is the whole number, 3 is the numerator and 4 is the denominator.

An increase in the stock value would be represented with an addition sign whole a decrease in the stock value would be represented with a negative sign. This means that increases in stock value would be added and decreases in stock value would be subtracted.

The overall change in the stock value = increase in stock on Monday morning - decrease in stock value on Monday afternoon + increase in stock value on Tuesday morning

The overall change in the stock value :

[tex]1\frac{3}{4} - 1\frac{1}{3} + 1\frac{1}{8}[/tex]

[tex]1\frac{18 - 8 + 3}{24}[/tex] = [tex]1\frac{13}{24}[/tex]

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( 5 ⋅ 2 − 9 ) + 2 ⋅ 1/2

Answers

Answer:

2

Step-by-step explanation:

( 5 ⋅ 2 − 9 ) + 2 ⋅ 1/2

= ( 10 - 9 ) + 2 ⋅ 1/2

= 1 + 2 ⋅ 1/2

= 1 + 1

= 2

Write the improper fraction
31
7
as a mixed number

Answers

Answer: 4 3/7

Step-by-step explanation:

try finding the biggest value u can get to and divide it. for ex : 31 divied by 7 = 28 divided by 7 plus remainder 3/7

1549-1637 not the time period ;-;

Answers

Answer: -88

Step-by-step explanation:

See if that's correct :)

Can someone help with this question?✨

Answers

The formula for moose population, P, in terms of t, the years since 1990 would be P(t) = -110t + 4730.

What is the Point-slope form?

The equation of the straight line has its slope and given point.

If we have a non-vertical line that passes through any point(x1, y1) has gradient m. then general point (x, y) must satisfy the equation

y-y₁ = m(x-x₁)

Which is the required equation of a line in a point-slope form.

Let's consider x on the graph to be years since 1990 and y on the graph to be the number of Moose.

We have two points on the graph as (4, 4290) and (8, 3850)

Now we can find the slope of this line:

m = (y2 - y1)/(x2 - x1)          

Substitution;      

m = (3850 - 4290)/(8 - 4)          

Solve the subtraction in the parenthesis;

m = -440/4                              

m = -110                                  

Then we have the slope of the line, we can use the point-slope formula to find the equation for the line.

y - y1 = m(x - x1)                                    

Substitution;

y - 4290 = -110(x - 4)                            

y - 4290 = -110x + 440                            

y - 4290 + 4290 = -110x + 440 + 4290      

y = -110x + 4730                                    

Since the formula that is being sought is supposed to be in terms of P and t, we will replace y with P and x with t.

P(t) = -110t + 4730

To predict the population in 2006, we have to determine the years from 1990 to 2006.

2006 - 1990 = 16

P(16) = -110 (16) + 4730

P(16) = -1760 + 4730

P(16) = 2970

Hence, The formula for moose population, P, in terms of t, the years since 1990 would be P(t) = -110t + 4730.

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Which of the following best describes a best efforts underwriting commitment? Review Later The underwriter agrees to buy the entire issue and assume full financial responsibility for any unsold shares. If the entire issue cannot be sold at the offering price, the deal is called off and the issuing company receives nothing. Underwriter commits to selling as much of the issue as possible at the agreed-on offering price but can return any unsold shares to the issuer without financial responsibility. Underwriter is only responsible for half (50%) of the issue.

Answers

The best description of a best efforts underwriting commitment is Underwriter commits to selling as much of the issue as possible at the agreed-on offering price but can return any unsold shares to the issuer without financial responsibility.

What is a best efforts underwriting commitment?

In a best efforts underwriting commitment, the Underwriter will make a commitment by which they promise to sell as much as they can of a company's stock at a price that is best.

This price would have been agreed between the underwriter and the company.

However, if the stock issue is not sold entirely and there are unsold shares, then these unsold shares are returned to the issuer with no financial responsibility for the underwriter.

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if x = 3, y = -6 and x -9, evaluate x2 -y3

Answers

Answer:

225

Step-by-step explanation:

x² -y³

Evaluate for x=3,y=−6

3²−(−6)³

3²−(−6)³

=225

What the distance between a negative number and a positive number 12 1/2

Answers

The distance between the negative number and the positive number is 25

How to determine what the distance between a negative number and a positive number?

The number is given as

12 1/2

When represented as a negative number and a positive number, we have the following representations

12 1/2 and -12 1/2

The distance between the negative number and the positive number is

Distance = |Positive - Negative|

So, we have

Distance = |12 1/2 - -12 1/2|

Evaluate the difference

So, we have

Distance = |25|

Remove the absolute bracket

So, we have

Distance = 25

Hence, the distance between the negative number and the positive number is 25

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Compare and order the numbers below
,,.,.⎯⎯,⎯⎯⎯⎯√

Answers

The given numbers ordered from least to greatest is {√7 , 2.8..., π, √17,  4.6}

How to order the numbers from least to greatest?

First, we need to write all the given numbers in decimal form so we can accurately compare them.

The numbers are:

{4.6, √7, π, 2.8..., √17}

Rewriting all of these in decimal form:

√7 = 2.64

π = 3.14159265....

√17 = 4.12

Then the numbers are:

{4.6, 2.64, 3.14159265....,  2.8..., 4.12}

Now is easier to order these numbers, ordering them from least to greatest we will get:

{2.64, 2.8..., 3.14159265...., 4.12, 4.6}

Now, using the original notation we get:

{√7 , 2.8..., π, √17,  4.6}

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Three-sevenths of the T-shirts in a T-shirt shop are blue. Seven-eighths of those T-shirts are on sale. One-third of the blue
T-shirts that are on sale are size medium. What fraction of the shop's T-shirts are blue T-shirts that are on sale and are
size medium? Explain.
The fraction of T-shirts that are blue, medium, and on sale is

Answers

Out of all the T-shirts in shop, the fraction of T-shirts that are blue, medium, and on sale is x/8.

Let us assume the total number of shirts be x. So, the number of blue shirts in the shop are 3x/7.

Number of blue shirts on sale = 3x/7 × 7/8

Cancelling 7 common in numerator and denominator and performing multiplication

Number of blue shirts on sale = 3x/8

Number of blue shirts on sale medium in size = 3x/8 × 1/3

Cancelling 3 common in numerator and denominator and performing multiplication

Number of blue shirts on sale medium in size = x/8

Hence, the required fraction of T-shirts are x/8.

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What is 7/28 simplified

Answers

Answer:

[tex]\frac14[/tex]

Step-by-step explanation:

Both the numerator and the denominator have the common factor of 7, therefore, we can divide them both by 7 to further simplify the fraction.

[tex]\frac7{28} \to \frac{\frac77}{\frac{28}7} \to \frac14[/tex]

7/28 = 1/4
as both of them divide by 7
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