Mathematics Middle School

Simplify 7(9x - 3) - 4(2x - 1)

34x
55x - 17
55x - 25

Answers

Answer 1

Answer:

the answer is the second one, 55x-17

Step-by-step explanation:

So what you do is you open the parenthesis and evaluate and simplify the expression.

Here is the simplification: (7)(9x)+(7)(−3)+(−4)(2x)+(−4)(−1)

=63x+−21+−8x+4

And reduce that further and you get 55x-17.

Answer 2
The answer that you get is B which is 55x - 17! Your welcome!

Related Questions

please answer w/ explanation !

write an equation in slope-intercept form when given the information:
slope = 0, goes through the point (-3 , 3)

Answers

Answer:

[tex]y=3[/tex]

Step-by-step explanation:

We are given the slope of the line and a point on the line.

So, we can utilize the point-slope form, given by:

[tex]y-y_1=m(x-x_1)[/tex]

Where m is the slope and (x₁, y₁) is a point.

We know that the slope is 0. So, m = 0.

And we will let (-3, 3) be (x₁, y₁). Hence, by subsitution:

[tex]y-(3)=0(x-(-3))[/tex]

Simplify:

[tex]y-3=0[/tex]

We can add 3 to both sides. Hence, our equation is:

[tex]y=3[/tex]

As you would've expect, since it had a slope of 0, it is a horizontal line.

The answer to the question is y=3

Ronelle asked 100 students to choose their favorite subject from among mathematics, history, and art. She found that 22 students chose mathematics, 26 history, and the rest art. What percent of students chose art?
22%
26%
48%
52%

Answers

The answer is 52 because 22 plus 26 is 48. 100 - 48 = 52. Hope I helped!

Answer:

❌22%

❌26%

❌48%

✔️52%

A contractor needs 54 square feet of brick to construct a rectangular walkway. The length of the walkway is 15 feet more than the width. Write an equation that could be used to determine the dimensions of the walkway. Solve this equation to find the length and width, in feet, of the walkway.

Answers

54-14 it’s pretty easy

What is 2.286

Rounded to the nearest hundredth

Answers

Answer:

2.29

Step-by-step explanation:

2.286

If the italicized number is 5 or above round the underlined number up. If it is 4 or less let it go

TRICK/ TIP

(5 or above, give it a shove. 4 or below, let it go.)

2) Orion buys 3 books for a total of $25.50. He pays $8 plus sales tax for each book. He wants
to know how much the sales tax is for one book.
) Which quantity is unknown?
.) the sales tax for each book
Let t equal the sales tax Orion pays for each book. Write an equation that
represents the situation.
3
8
25.50
t

Answers

Answer: I think the Sales tax is 0.5 because 0.5 X 3 is 1.5, He paid $24 in total for the books so you would do 24 + 1.5 and get 25.50, So it would have to be 0.5 sales tax for one book. Sorry about my English.

Answer: the equation would be 3(t + 8) = 25.50 :)

10x- (- 4 + 7x
answer if you can :)

Answers

Answer:

17x + 4

Step-by-step explanation:

The -(- would be turned into a positive due to the rule of two negatives makes a positive. You wouldn't add the 4 into either of the numbers with a variable, you would only add the 10x and 7x.

Answer:

3x+4

Step-by-step explanation:

Apply the distributive property to get 10x - -4-(7x). Now we can turn the two negatives into a positive to get 10x+4-7x. Now, subtract 7x from 10x to get 3x. This will leave you with 3x+4.

Lin’s family needs to travel 325 miles to reach her grandmother’s house. At 377 miles, what percentage of the trip’s distance have they completed?

Answers

Answer:

402 because it is the answer because I add it all up

Answer:

8%

Step-by-step explanation:

List the values shown on the number line

Answers

Answer:

-4, -2.8, 0.5, 1.3, 3

Step-by-step explanation:

Answer:

-4, -2.8, 0.5, 3.1

Step-by-step explanation:

read the screenshot and please explain

Answers

Answer:

A, because the chart has a constant rate of 7 minutes per box. Multiply the 7 by 5 and you will get 35 minutes, and do the same with 1 and get 5 boxes. I hope this helps and I love your profile pic! I'm a fan of Danganronpa too!

A it has a constant rate and then u multiply

Solve: 3(x- 2)= 18.

X=

Answers

Answer:

x = 8

Step-by-step explanation:

3(x-2)=18

3x-6=18

3x=24

x=24/3

x=8

Answer:

x = 8

Step-by-step explanation:

3 (x - 2) = 18

3x - 6 = 18

18 + 6 = 24

3x = 24

x =

PLEASE HELPPPPP!!!!!!!!!!!!

Answers

Answer:D

Step-by-step explanation:

I just did the quiz and passed !

If five pounds of oranges cost $5.50, what is the unit rate? pls help

Answers

Its 0.909 simple and easy ;)

A plot of corn is 15 3/8 yards wide. It is 15 8/15 times as long as it is wide. How long is the plot of corn? PLEASE HELP I'M BEING TIMED!!! LOTS OF POINTS TO THE PEOPLE WHO SOLVE! FIRST ANSWER GETS BRAINLIEST!!!

Answers

Step-by-step explanation:

Width = 15.375 yards

Length = 15.375 * 15.5333 = 238.825 yards.

The plot of corn is 238.825 yards long.

Answer:

238.825 yards.

Step-by-step explanation:

The length of the cornfield is:

[tex]15 \frac{3}{8} \cdot 15 \frac{8}{15}[/tex]

[tex]= \frac{123}{8} \cdot \frac{233}{15}[/tex]

[tex]= \frac{28659}{120}[/tex]

[tex]= 238.825 \ yards[/tex]

Hope this helped!

The table defines a function.

What is the domain of the function?

Question 2 options:

Year


Change in height (inches)


Joshua


Table

Answers

The domain is that Joshua is correct

please help me with this , probably easy for others but i don't got energy to do it : ')

Answers

Answer:

I believe its B

Step-by-step explanation:

I’ll go with B (i think)

Priya has a recipe for banana bread. She uses

7 1/2

cups of flour to make 3 loaves of banana bread.

Andre will follow the same recipe. He will make b loaves of banana bread using f cups of flour.

Which of these equations represents the relationship between b and f?

1. B=2/5 f

2.B=9/2 f

3.B=2/9 f

4.B=5/2 f

Answers

Answer:

i think its B, Hope u ace it sorry if its wrong i truly tried my best

I think it’s b hope I’m right

78 fl oz = _c = _oz
pls help me and its in us coustemery units

Answers

Answer:78 fl oz= 9.75c =81.12 oz

Step-by-step explanation:

78fl oz = 9.75c = 81.12 oz
Hope this is right!! ☺️

help me pls and get right answer okay

Answers

ANWSER: it’s the last one for sure

Step by step explanation:
It’s the last one because it’s the only one that includes all of the values and has the second value added onto the first

I need help! What does this dot mean? I forgot.

Answers

Answer:

Times/Multiply

Step-by-step explanation:

a collection of coins consist of nickels, dimes, and quarters. there are 3 fewer quarters than nickels and six more dimes than quarters. how many of each kind of coin is in the collection if the total value of the collection is $4.35?

Answers

There are 12 Nickels, 9 Quarters, and 15 Dimes.

Using a system of equations, there are 9, 12 and 15 quarters, nickels and dimes respectively.

Creating a system of equations thus :

n + d + q = 36 - - - (1)n = q + 3 - - - (2).d = q + 6 - - - (3)

Substitute for n and q

(q+3) + (q+6) + q = 36

3q + 9 = 36

3q = 36 - 9

q = 27 ÷ 3

q = 9 quarters

n = 9 + 3 = 12 nickels

d = 9 + 6 = 15 dimes

Hence, there are 9, 12 and 15 quarters, nickels and dimes respectively.

Learn more : https://brainly.com/question/25629067

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