Five less than eight times a number is equal to -1

Answers

Answer 1

Answer:

The algebraic expression is: [tex]8x-5=-1[/tex]

the number is: [tex]\mathbf{x=\frac{1}{2}}[/tex]

Step-by-step explanation:

Translating "Five less than eight times a number is equal to -1" into algebraic expression

Let the number = x

[tex]8x-5=-1[/tex]

Now solving the expression to find value of x

[tex]8x-5=-1\\Add\:5\:on\:both\:sides\\8x-5+5=-1+5\\8x=4\\x=\frac{4}{8}\\x=\frac{1}{2}[/tex]

So, the number is: [tex]\mathbf{x=\frac{1}{2}}[/tex]


Related Questions

What is the slope of the line y = 5x + 9? Just
write the number for your answer.

Answers

5 i’m pretty sure hope it helps!

a frequency distribution shows the number of observations for each class (class being a value or a range of values), and a relative frequency distribution shows how close the values are to each other.

Answers

A frequency distribution shows the number of observations for each class (class is a value or a range of values), and a relative frequency distribution shows how close the values are to each other: TRUE

What is a frequency distribution?

In statistics, a frequency distribution is a graph or data set that shows the frequency of occurrence of each possible outcome of a repeatable event observed many times. Election results and test scores listed by percentile are simple examples. A frequency distribution can be represented graphically as a histogram or a pie chart. The number of observations for each class is shown in a frequency distribution (class is a value or a range of values).

What is a relative frequency distribution?

A relative frequency distribution, which is related to a probability distribution and is widely used in statistics, shows the proportion of the total number of observations associated with each value or class of values. The relative frequency distribution demonstrates how close the values are to one another.

Therefore, the statement "a frequency distribution shows the number of observations for each class (class is a value or a range of values), and a relative frequency distribution shows how close the values are to each other" is TRUE.

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The complete question is given below:
A frequency distribution shows the number of observations for each class (class is a value or a range of values), and a relative frequency distribution shows how close the values are to each other. TRUE or FALSE

PLEASE HELP WITH EXPLANATION!! THANK YOU ILL GIVE BRAINLEST

Answers

Answer:

All three of the answers, when rounded to the nearest tenth and turned into a decimal, are 0.9.

Step-by-step explanation:

in a mid-size company, the distribution of the number of phone calls answered each day by each of the 12 receptionists is bell-shaped and has a mean of 58 and a standard deviation of 10. using the empirical rule (as presented in the book), what is the approximate percentage of daily phone calls numbering between 28 and 88? do not enter the percent symbol.

Answers

The percentage of daily phone calls numbering 28 and 88 = 99.7%

The given Standard Deviation is 10, and the mean is 58

Using the formula

z = (X -Mean) / Standard Deviation

z value corresponding to X = 28 is

z = (28 - 58)/ 10

z = -30/10

z = -3

z value corresponding to X = 88

z = (88 - 58) / 10

z = 3

According to the empirical rule

"Empirical Rule" is also called as the three sigma rule

We have to know  

One Standard Deviation of the mean , covers 68% of data

Two Standard Deviation of the mean , covers 95% of data

Three Standard Deviation of the mean , covers 99.7% of data

Therefore, +/- to the third Standard Deviation covers of the items 99.7% of data.

Therefore, the percentage of daily phone calls numbering 28 and 88 = 99.7%

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Question 2
1 pts
A recipe for salad dressing calls for 3 tablespoons of oil for every 2 tablespoons of
vinegar. The line represents the relationship between the amount of oil and the
amount of vinegar needed to make salad dressing according to this recipe. The point
(1, 1.5) is on the line
(1, 1.5)
Give labels for the x-axis and the y-axis as it relates to the situation.
Edit View Insert Format Tools Table

Answers

Answer:

See below :)

Step-by-step explanation:

Hello,

So at the bottom, it says "Give lables or the x-axis and the y-axis as it relates to the situtation"

Labels are the things that show what each part of the graph means. See picture I uploaded after reading my explanation.

We first want to find out how (1, 1.5) relates to 3 tbs oil and 2 tbs vinegar

We want to find the same scale factor between the x and ys.

We can see that 1 is half of 2 and 1.5 is half 3 so we can say that,

Vinegar is the x

Oil is the y

PLEASE HELP .!!! ILL GIVE BRAINLIEST.. *EXRTA POINTS* .. DONT SKIP :(( !
ILL GIVE 30 POINTS .

Answers

The answer is d because the positive and negative cancel each other
The answer is D because, what the guy above me said

find the ans:- 3.45×1000​

Answers

3.45 ×1000

3450 ans Hope you like it

ill give brainly to who get it first, or answer it correctly :]

25/35 in simplest form is _______.


PSA "25/35" is a FRACTION

Answers

Answer:

5/7 is the simplified.

Answer:

5/7

Step-by-step explanation:

Which of the following is equivalent to −3(2x + 5y) − 7(2q + 3p)? −6x − 15y − 14q − 21p −6x + 5y − 14q + 3p −6x + 15y − 14q + 21p −21(2x + 5y − 2q + 3p)

Answers

Answer:

−6x − 15y − 14q − 21p

Step-by-step explanation:

Let's simplify step-by-step.

−3(2x+5y)−7(2q+3p)

Distribute:

=(−3)(2x)+(−3)(5y)+(−7)(2q)+(−7)(3p)

=−6x+−15y+−14q+−21p

Answer:

=−21p−14q−6x−15y

The equation −3(2x + 5y) − 7(2q + 3p) is equivalent to −6x − 15y − 14q − 21p.Option A is correct.

What is the equation?

An equation is a statement that two expressions, which include variables and/or numbers, are equal. In essence, equations are questions, and efforts to systematically find solutions to these questions have been the driving forces behind the creation of mathematics.

It is given that,

−3(2x + 5y) − 7(2q + 3p)

For solving the equation we have to apply the arithmetic operation in which we do the addition of numbers, subtraction, multiplication, and division. It has basic four operators that are +, -, ×, and ÷.

First, open the bracket and multiply,

=−3(2x + 5y) − 7(2q + 3p)

=(−3)(2x)+(−3)(5y)+(−7)(2q)+(−7)(3p)

=−6x+−15y+−14q+−21p

Rearrange the equation as

=−21p−14q−6x−15y

Thus, the equation −3(2x + 5y) − 7(2q + 3p) is equivalent to −6x − 15y − 14q − 21p.Option A is correct.

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Mrs.Howard had 3 hours of talk on her monthly cell phone plan. She used 40 minutes the first week? How many minutes did Mrs.Howard have left on her cell phone?

Answers

Answer:

A. 140

Step-by-step explanation:

3 hours converts to 180 minutes, so 180-40=140, therefore A is correct.

140
Explanation: there are 60 minutes in an hour so we know she has at least two full hours left. If we multiply 60 by two and then add the remaining 20 minutes in the first hour from the 40 already used, we get 140. Hope this helped!

What is 604,000,000 expressed in scientific notation?

A. 6.04 x 109

B. 0.604 109

C. 6.04 x 10-8

D. 6.04 x 108

Answers

Its either A sorry if im wrong

Answer:

D would be your answer

Hope this helped

how do you find the square root of a whole number which are not perfect square​

Answers

Answer: Finding the square root of numbers that aren't perfect squares

Divide: Divide the number that you are finding the squared root for with the number you picked in step 1. Average: Take the average of the number you got in step 2 and the square root. Repeat: Repeat steps 2 and 3 until the number is accurate enough for you.

Step-by-step explanation:

BRAINLESS PLEASE

What is

-12-6p-(-12)

Answers

Answer:

-6p

Step-by-step explanation:

-(-12) becomes 12 as (-12) x (-1) is 12

so, -12 + 12 -6p = -6p

I got -6p for -12-6p-(-12)

A: Find the mean and standard deviation of the sums you should get when you roll two standard number cubes.

B: Suppose you can replace one number cube with a nonstandard number cube, where any of the numbers 1 through 6 can appear on multiple faces. How can you arrange the numbers on the nonstandard cube so that the mean of the rolls is the same as that of two standard number cubes, but the standard deviation is as large as possible? What is this value?

Answers

Answer:

45

Step-by-step explanation:

1)
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What value of x makes the statement true?
Subtracting 1.from the product of 5 and x giyes the same value as adding 10 to the product of 3 and x.
Record your answer in the boxes below. Be sure to use the correct place value
223
+

Answers

The answer is 5 my kind sir, so deal with it

Answer each question and explain your reasoning. How long is 50% of 60 minutes?

Answers

Answer: 6mins

Step-by-step explanation:

6mins, because 10x6= 60 (or) 60/10=6

Answer:

30 minutes

Step-by-step explanation:

60 divided by 2 which would give you 30 minutes.

Which of the following pairs of values for x and y would justify the claim that the two triangles are congruent?

Answers

Answer:

x=3,y=11 (which is A on Edge)

Step-by-step explanation:

solve for y - 11-4=7

solve for x - 2(3) +3 = 9

You rent an apartment that costs \$1200$1200 per month during the first year, but the rent is set to go up \$70 $70 per year. What would be the monthly rent during the 6th year of living in the apartment?

Answers

Answer: 1550

Step-by-step explanation:

a_6=1200+(6-1)(70)

=1200+(5)(70)

=1550

Solve the equation: x-10 - 2x + 7 = 8 + x - 10 - 3x

Answers

Answer: If you're looking for the value of x, it's 1.

Step-by-step explanation:

Add the numbers. x-10-2x+7=8+x-10-3x--->x-3-2x=8+x-10-3x

Combine like terms. x-3-2x=8+x-10-3x ---> -x-3=8+x-10-3x

Subtract the numbers.-x-3=8+x-10-3x---> -x-3=-2+x-3x

Combine like terms. -x-3=-2+-3x---> -x-3=-2-2x

Rearrange terms. -x-3=-2-2x---> -x-3=-2x-2

Hope that helps!

You gotta collect the like terms in order to simplify the answer...

So you have: 8 + x - 10 - 3x

Like terms in this are: x, - 3x ( we have a positive x and a negative 3x) remember x represents 1 so it’ll be 1 - 3x= -2x

And 8 -10= -2

Your answer is -2x - 2

Hope that helps :)

if the area of a square is 121 sq.m what is the length of one side of the square ?


Pls help i need it for my flip learning ppt for school it’s urgent

Answers

The length of one side is 11 m.
To find the area of a square, it is length times width. The length and width are the same so the area will be a number squared. The square root of 121 is 11 so one side is 11m.

3/a (-2) - 4 = 20 please help me out

Answers

Answer:

[tex] \sf \large \: a = \frac{ - 1}{4} [/tex]

Step-by-step explanation:

Let's solve your equation step-by-step.

3/a(−2)−4=20

−4a−6/a=20

Step 1: Multiply both sides by a.

−4a−6=20a

−4a−6−20a=20a−20a(Subtract 20a from both sides)

−24a−6=0

−24a−6+6=0+6(Add 6 to both sides)

−24a=6

−24a/−24=6/−24

(Divide both sides by -24)

a=−1/4

Check answers. (Plug them in to make sure they work.)

a=−1/4

(Works in original equation)

Name times when the hands of a clock form
an acute angle, a right angle, and an obtuse
angle.​

Answers

Answer:

Right angle- 3:00

Acute- 1:00

Obtuse- 5:00

Step-by-step explanation:

Right angle is 90 degrees, acute is under 90 degrees but greater than zero, and obtuse is greater than 90 degrees but less than 180.

The clock hands form an acute angle between 12:00 and 1:00, right angle at 3:00, 6:00, and 9:00 and form an obtuse angle between 1:00 and 2:00, 2:00 and 3:00, 4:00 and 5:00, 5:00 and 6:00, 7:00 and 8:00, 8:00 and 9:00, 10:00 and 11:00, and 11:00 and 12:00.

When the hands of a clock move, they form different angles between them at different times.

1. Acute Angle:

An acute angle is an angle less than 90 degrees. The clock hands form an acute angle between 12:00 and 1:00.

2. Right Angle:

A right angle is exactly 90 degrees. The clock hands form a right angle at 3:00, 6:00, and 9:00.

3. Obtuse Angle:

An obtuse angle is an angle greater than 90 degrees but less than 180 degrees.

The clock hands form an obtuse angle between 1:00 and 2:00, 2:00 and 3:00, 4:00 and 5:00, 5:00 and 6:00, 7:00 and 8:00, 8:00 and 9:00, 10:00 and 11:00, and 11:00 and 12:00.

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Please STEP- BY- STEP

Answers

Answer:

B = T - 9C/CA

Step-by-step explanation:

1. Switch the sides C(9+AB) = T

2. Divide both sides by C (get rid of what is least attached) C(9+AB)/C and T/C

3. Simplify the equation 9 + BA = T/C

4. Subtract 9, 9+ BA - 9 = T/C - 9

5. Simplify BA = T/C - 9

6. Divide both sides with A like you did with C

If neither a nor b are equal to zero, which answer most accurately describes the product of (a + b)(a - b)?
The product of a complex conjugate is always an imaginary number.
The product of a complex conjugate is always zero.
The product of a complex conjugate is always a mix of real and imaginary numbers.
The product of a complex conjugate is always a real number.

Answers

The statement is correct. The product of a complex conjugate is always a real number.

Given, if neither a nor b are equal to zero then we have to conclude that which of the following statement accurately describes the product of (a + ib)(a - ib). So, let's proceed to solve the question accordingly.

Now, solve the product of (a + ib)(a - ib), we get

(a + ib)(a - ib) = a(a - ib)+ib(a - ib)

                     = a^2-iab+iab+(ib)^2

                     = a^2+i^2b^2

we know that, i^2 = -1, then

= a^2+i^2b^2 = a^2+b^2

⇒(a + ib)(a - ib) = a^2+b^2

∴ a^2+b^2 will always give a real number.

Therefore, option (d) is correct. The product of a complex conjugate is always a real number.

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A system of linear equations is shown below.
S px +qy = -5
\px – qy = –25
What values of p and q will make the coordinate point (-3,5)
a solution to the system of equations?
A. -5 and 2 B. – 5 and 2
C. 4 and
D. 5 and 2
1
5
16. A-REI.4.12 Given the following system of inequalities, whi
3x –

Answers

Answer: D.5 and 2

because (-3;5) is a solution to the system of equations

[tex]\left \{ {{-3p+5q=-5} \atop {-3p-5q=-25}} \right.\\\\<=>\left \{ {{-3p=-15} \atop {5q=10}} \right.\\\\<=>\left \{ {{p=5} \atop {q=2}} \right.[/tex]

Step-by-step explanation:

-3-5 1/4find the coordinates of the circumcenter of the triangle with the given vertices. l(3,−6), m(5,−3), n(8,−6)

Answers

The coordinates of the circumcenter of the triangle are (5.5, -5.5).

The vertices of the triangle are A(3, -6), B(5, -3), and C(8, -6).The circumcenter is the point at which the perpendicular bisectors of a triangle's sides connect and are equidistant from its three vertices.The midpoint of AB is ((3+5)/2, [-6+(-3)]/2) = (4, -4.5).The midpoint of BC is ((5+8)/2, [-3+(-6)]/2) = (6.5, -4.5).The slope of AB is (-3-(-6))/(5-3) = 3/2.The slope of the perpendicular bisector of AB is -1/(3/2) = -2/3.The equation of the perpendicular bisector of AB is :(y - (-4.5)) = (-2/3)(x - 4)y + 4.5 = (-2/3)(x - 4)3(y + 4.5) = (-2)(x - 4)3y + 13.5 = -2x + 83y = -2x - 5.5The slope of BC is (-6-(-3))/(8-5) = -3/3 = -1The slope of the perpendicular bisector of BC is -1/(-1) = 1The equation of the perpendicular bisector of BC is :(y - (-4.5)) = (1)(x - 6.5)y + 4.5 = x - 6.5y = x - 11We solve for the point of intersection of the perpendicular bisectors and get (5.5, -5.5).

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How many solutions does the equation -2 + 2y + 3 = 3
a) none
b) one
c) infinity
d) three

Answers

Answer:

one

Step-by-step explanation:

y=1

hope this helps

Answer:

one

Step-by-step explanation:

What is 10.5/17.5 in its simplest form

Answers

Answer:

0.6

Step-by-step explanation:

Answer:

0.6

Step-by-step explanation:

I hope this helps:)

for what values of x is -1/2x+6>4x-3

Answers

Answer:

x<2

Step-by-step explanation:

Isolate the variable by dividing each side by factors that don't contain the variable.

1. The tension t in a spring varies directly with the distance d the spring is stretched. If the tension is 46 pounds when the spring is stretched 4 inches, find the tension when the spring is stretched twice as far.

2. The time t it takes to fill a bucket varies directly with the volume g of the bucket. If it takes 2 minutes to fill a 8-gallon bucket, how long will it take to fill a 5-gallon bucket?

3. The power P in an electric circuit varies directly with the square of the current I. If P = 30 when I = 2, find P when I = 5.

4. The amount of money M a woman makes per week varies directly with the number of hours h she works per week. If she works 28 hours and earns $137, how much does she make if she works 42 hours?

5. The weight F of a body varies inversely with the square of the distance d between the body and the center of the Earth. If a man weighs 250 pounds 4,000 miles from the center of the Earth, how much will he weigh at a distance of 5,000 miles from the center of the Earth.

Answers

9514 1404 393

Answer:

92 pounds 1 minute 15 seconds 187.5 $205.50 160 pounds

Explanation:

1. The tension is proportional to distance, so twice the distance will result in twice the tension:

  2 × 46 lbs = 92 lbs

__

2. The fill time is proportional to the volume, so 5/8 of the volume will take 5/8 of the time:

  (5/8)(2 min) = 10/8 min = 5/4 min = 1 minute 15 seconds

__

3. When the current increases by a factor of 5/2, the power increases by the square of that factor.

  (5/2)^2 × 30 = 187.5 . . . power at increased current

__

4. Working 42/28 times as many hours will result in 48/28 times as much pay:

  (42/28) × $137 = $205.50

__

5. The new distance is 5000/4000 = 5/4 times the reference distance, so the new weight will be 1/(5/4)^2 = (4/5)^2 = 16/25 times the reference weight.

  (16/25)(250 lbs) = 160 lbs

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