Mathematics High School

1 (x + 4) = 20
x = 48
Help please.

Answers

Answer 1

Answer:

X actually equals 16 becaausw if yiu add 16+4 you get 20 and then you have to multiply 20 by 1 and you get 20 so x=16

Answer 2

Answer:

x = 16

I dont quite understand the x = 48 situation? But thats wrong if that's your answe

Step-by-step explanation:

So you have to find out what x is

in order to do that you have to work out the equation and whatever you do to one side you must do to the other side

simplify 1(x+4) = 20

x + 4 = 20

in order to get rid of 4 on one side you have to subtract it on both sides

so x = 16

Related Questions

Read each question carefully and make sure you show w
1. Which statements are true about the line shown on the graph
graphi
Select all that apply.
A. The point (0, -3) is on the line.
107
B
6
B. The graph represents the equation 4x + 8y = -24
C. The point (-6, -6) is on the line.
D. The point (0, -4) is on the line.
4
2
10 8 8 4
20
2+
2
16 8 10
E. The point (-6, 0) is on the line.
4
F. The graph represents the equation-4x + 8y = 24.
6
8
10+

Answers

Answer:

The true statements are;

A. The point (0, -3) is on the line

C. The point (-6, -6) is a point on the line

Step-by-step explanation:

The question relates to the finding of the equation of a straight line graph

The x-intercept of the graph is (6, 0) and the graph passes through the point (2, -2)

Therefore, the slope of the graph is m = (-2 - 0)/(2 - 6) = 0.5

The equation of the graph in point and slope form is given as follows;

y - 0 = 0.5 × (x - 6)

∴ y = 0.5·x - 3

Therefore, the equation of the graph in slope and intercept form, y = m·x + c is also y = 0.5·x - 3

A. The y-intercept of the graph is (0, -3), therefore, the point (0, -3) is on the line

B. The equation of the graph, y = 0.5·x - 3, can be written as follows;

8·y = 8 ×0.5·x - 8 × 3 = 4·x - 24

∴ 8·y - 4·x = -24

C. When y = -6, 'x' is given as follows;

 y = 0.5·x - 3

-6 = 0.5·x - 3

0.5·x = -6 + 3 = -3

x = -3/0.5 = -6

x = -6

Therefore, when y = -6, x = -6, and (-6, -6) is a point on the line

D. When x = 0, 'y', is given as follows;

y = 0.5·x - 3

When x = 0, y = 0.5 × (0) - 3 = -3

Therefore the point (0, -3) is on the line and the point (0, -4) is not on the line

E. The point (-6, 0) represent an x-intercept of a line graph, however the x-intercept on the given line is (6, 0) and when y = 0 on the line, x = 6

Therefore, the point (-6, 0) is not on the line

F. The equation of the graph is 8·y - 4·x = -24, therefore, - 4·x + 8·y = 24 does not represent the equation of the graph

camila drew a triangle with a side that is 24 inches long and a side that is 18 inches long. which of the following could be the length of the third side of a triangle that camila drew?

Answers

Formula: a^2+b^2=c^2
Plug in: 24^2+18^2=c^2
Exponents: 576+324=c^2
Add: 900=c^2
Square root: c=30
So the answer is 30 inches

Which of the following is most likely the next step in the series?

Answers

Answer:

its either A, or B

Step-by-step explanation:

hehehhe

Answer:

B

Step-by-step explanation:

The numbers in each of the circle halves are all in the blue side therefore all numbers on the red side would be eliminated. Leaving you with the options of B or C.

Now the Blue side for every pair is facing each other. So C would be eliminated because the red side is facing the start of the second pair ( A.K.A the third circle)

Leaving us with B.

I apologies if this is wrong! But I hope I helped a little bit

What is the domain of the function?
X+6
f(x)=(x-7)(x+5)
A all real numbers except 7
Ball real numbers except 5 and -7
Call real numbers except -5 and 7
D all real numbers

Answers

I got a domain and range of:
(
−
∞
,
5
)
∪
(
5
,
∞
)
, or
x
≠
5
(
−
∞
,
1
)
∪
(
1
,
∞
)
, or
y
≠
1
The function is undefined for
x
values when the denominator,
x
−
5
, is
0
; it's undefined to divide by
0
. Therefore, when
x
=
5
,
f
(
x
)
is undefined.
f
(
5
)
=
5
+
7
5
−
5
=
12
0
Since the domain is based on the allowed values of
x
, the domain is:
(
−
∞
,
5
)
∪
(
5
,
∞
)
Based on the domain, we would find the range by solving for
x
in terms of
f
(
x
)
, which we will write as
y
=
f
(
x
)
.
y
=
x
+
7
x
−
5
y
(
x
−
5
)
=
x
+
7
x
y
−
5
y
=
x
+
7
x
−
x
y
=
−
5
y
−
7
x
(
1
−
y
)
=
−
5
y
−
7
x
=
−
5
y
−
7
1
−
y
x
=
5
y
+
7
y
−
1
This means when
y
=
1
, the function is undefined as well. So, the range is:
(
−
∞
,
1
)
∪
(
1
,
∞
)
You can see that this is the case in the graph itself:
graph{(x + 7)/(x - 5) [-73.3, 74.9, -37.07, 36.97]}
What you should notice is the horizontal asymptote at
y
=
1
, and the vertical asymptote at
x
=
5
.
Because the function is trying to reach an undefined value at those points (
x
≠
5
,
y
≠
1
), you get these "walls" that cannot be crossed, only ascended or descended from either side.

The required domain of the function is all real numbers except -5 and 7. Option C is correct.

Given that,
f(x) = (x + 6)  /[(x-7)(x+5)]

What are functions?

Functions are the relationship between sets of values. e g y=f(x), for every value of x there is its exists in a set of y. x is the independent variable while Y is the dependent variable.

here,
Given function,
f(x) = (x + 6)  /[(x-7)(x+5)]
We can put any real number on the number line except 7 and -5, because at these value function gives the value as infinity.

Thus, the required domain of the function is all real numbers except -5 and 7. Option C is correct.

learn more about function here:

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pleaseeeeee someone help i'm in tears

Answers

Answer:

the correct answer is 6

Step-by-step explanation:

only reasonable answer

10 = - 1/4x +12

Answer pls

Answers

Answer: x = 8

Step-by-step explanation:

Answer:

x=8

Step-by-step explanation:

10= -1/4x+12

move the 12 to the other side

10-12= -1/4x

-2= -1/4x

divide -1/4 by both sides

8=x

please help will give brainliest

Answers

Answer:

Answer is c

Step-by-step explanation:

2y-6+5y+9 * pls dont have much time i will give you branlts

Answers

Answer:

7y + 8 is the simplified answer

Hope this helps  

Suppose the band is raising money to help offset the cost of a trip. You
make $10 off of each box of oranges sold and $15 off of each box of
grapefruit sold. The band wants to raise at least $500.00. Write an
inequality to represent this situation.

Answers

Answer:

y-step explanation:

Answer:

10o + 15g ≥ 500

Step-by-step explanation:

Variables:

O = oranges

G = grapefruit

10 boxes of oranges (10o) and 15 boxes of grapefruit (15g) are being added together (10o + 15g). The band wants to raise AT LEAST (greater than or equal to ≥) $500.00.

Put that together, and it's:

10o + 15g ≥ 500

If x= 5 and y = 2, work out the value of a) 3x + y
b) 2x2
c) (x - y)2

Answers

Answer:

17, 50, 9

Step-by-step explanation:

Hello

We already know the values of x and y, 5 and 2.

All we have to do to figure out a, b, and c, is to plug in those known values.

a) 3x + y

Let's plug in x and y as 5 and 2

3(5) + 2

15 + 2

17

b) 2x^2

2(5)^2

2(25)

50

c) (x - y)^2

(5 - 2)^2

3^2

9

Answer:

A) 3(5)+2= 17

B) 2(5)2=  50

C) (5-2)2= 9

Step-by-step explanation:

A therm is a unit of heat. The hogans paid $.38 per therm of natural gas. In September they paid $19.57 for natural gas. How many therms did they use

Answers

Answer:

51.5 thermes of gas were used

Madison wants to earn at least $90 at her sales job. She makes $40 per week plus $5 per sale. Which inequality would represent the number of sales Madison must make.

Answers

Answer:

1232342

Step-by-step explanation:

1233435


If 30% of a number is 15, what is 25% of the number?

Answers

Answer:

12.5

Step-by-step explanation:

Basically, the number was multiplied by .3 to get 15. So if you do 15/.3 you'll get your original number which is 50. Then you multiply by .25 and get 12.5.

Write the equation of a line with a slope of -7/2 passing through the point 2,-4

Answers

Answer:

y = -7/2x+3

Step-by-step explanation:

The slope intercept form of a line is

y = mx+b  where m is the slope and b is the y intercept

y = -7/2 x+b

Substitute the point into the equation

-4 = -7/2(2) +b

-4 = -7+b

Solving for b

-4+7 = -7+b+7

3 = b

The equation is y = -7/2x+3

find ratio of := 900 cm to 12cm​

Answers

ovhovientos ochenta y siete

Please please help pleaseeeeee


also .. it wouldnt let me crop the photo ..

Answers

use slader , straight give yu the answer

Ramon’s teacher wrote the following table on the board She then asked the class to write a rule for the nth term of the geometric sequence represented on the table,
using the format

an=a(r)^n-1

Select the values for a and r that Ramon should use in order to correctly write the rule for the nth term.
an= ___(___)^n-1
—> number choices -3, -1/3, 1/3, 3, 9, 27, 81.
the number choices go inside the blanks.


please only respond if you know the answer :)

Answers

Answer:

do you still need help with this?

Step-by-step explanation:

because I can help. just comment back to me

A cone has volume 3. If the cone's radius is 1. what is its height?​

Answers

2.87 units

The volume of a cone is found by using the formula, V = (1/3)(pi)(h)r^2

Substituting values:

3 = (1/3)(3.14)(h)(1)

2.87 = h

h≈2.86...............

(x+3)^2 = x^2-3(1-x)

Answers

(x+3)(x+3) = x^2 -3 + 3x
x^2 + 3x + 3x + 9 = x^2 + 3x - 3
x^2 + 6x + 9 = x^2 + 3x - 3
6x + 9 = 3x - 3
3x + 9 = -3
3x = -12
x = -4

Check:
(-4+3)^2 = (-4)^2 - 3(1+4)
(-1)^2 = 16 - 3(5)
1 = 16-15
1 = 1 :)

$15,000 at 15% compounded annually for 5 years
A. $28,500.00
0
B. $30,170.36
C. $17.250.00
ОО
D. $26,250.45

Answers

Answer:

p=$15000

R=15%

t=5years

compound amount CI=?

Step-by-step explanation:

we have

CI=p(1+R/100)^t=$15000(1+15/100)^5=$15000×1/15^5=$30170.35

The total amount of $15,000 at 15% compounded annually for 5 years will be $30,170.36 so option (B) is correct.

What is compound interest?

Compound interest is applicable when there will be a change in principle amount after the given time period.

The rate at which compound interest accrues depends on the frequency of compounding.

For instance, if you offer someone $500 at a rate of 10% annually, $500 will be considered your principal sum. After a year, the interest will be $50, making the principle amount $550. Moving forward, the interest will be $550 rather than $500.

Given

Principle amount = $15000

Rate of interest = 15%

The time period T = 5 years.

Compound interest formula

A = P  [tex][ 1 + R/100 ]^{T}[/tex]

A = 15000 [tex][ 1 + 15/100 ]^{5}[/tex]

A = $30,170.36 hence, the total amount after 5 year will be $30,170.36.

For more information about compound interest

brainly.com/question/26457073,

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18.9 divided by 5 I need the answer I decimal form ASAP!!!!!!!!

Answers

Answer: 3.78

Step-by-step explanation:

18+ [8 x (11 - 6) - 3

Answers

Answer:

55

Step-by-step explanation:

18+[8x5-3]

18+[40-3]

18+37= 55

Answer:

18+[8x(11-6)-3]

Step-by-step explanation:

18+[8x5-3]

18+[40-3]

18+37

=55

the graph of y=(1/3)x-1​

Answers

Answer:

Step-by-step explanation:

Is 1 3/23 a rational number

Answers

Answer:

Yes

Step-by-step explanation:

In mathematics rational means "ratio like." so a rational number is one that can be written as the ratio of two integers. 1 3/23 can be converted into 26/23, which is a ratio, therefore, 1 3/23 is a rational number.

Hope this helps!

Fill in the table of values for the function (fx)=3(2)^x

Answers

Step-by-step explanation:

-2 = 0.75

-1 = 1.5

0 = 3

1 = 6

2 = 12

what’s the answer someone help please

Answers

It is 24y because 6 and 4 is equal to 24 and then we just add the y that is left, if u don’t believe me search it up but I am pretty sure I’m right

Answer:

24y

Step-by-step explanation:

Diego has some money in his bank account before he starts a summer job. He deposits
the money from the summer job in his bank account and doesn't spend any of it. After
working 3 hours, he has $71 in the account. After working 12 hours, he has $134 in the
account.
How much money does Diego earn per hour?
Who got the answer because I need it bad

Answers

Answer:

he earns $7 per hour

Step-by-step explanation:

Use a product of two binomials to find a polynomial that represents the area of Roberto's plot.

Answers

Answer:

First, we know that the area of a rectangle of width W and length L is:

A = W*L

In the case of Roberto's plan, we can see that the length of the whole rectangle is:

L = 1.5ft + x + 1.5ft = 3 ft + x

And the width is:

W = 3ft + x + 3ft = 6ft + x

Then the area of the whole thing is:

A = (3ft + x)*(6ft + x)

This is what we wanted, a product of two polynomials that represents the area of Roberto's plot.

Now if we subtract the white square (is a square of sidelength x, then its area is A = x*x) we will get the area of the border;

The total area of Roberto's borders is:

Area of the border =  (3ft + x)*(6ft + x) - x*x

                               =   3ft*6ft + 3ft*x + x*6ft + x^2 - x^2

                               = x*9ft + 18ft^2

What are the coordinates of the point?

Answers

Answer:

(6,-4)

Step-by-step explanation:

Answer:

(6,-4)

Step-by-step explanation:

30
Does the scatter plot show
a positive, negative, or no
relationship?
20
10
0
2
HELP I NEED IT ASAP

Answers

Answer:

That shows no relationship

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