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34kurt
4 years ago
11

1. 7 + 5x = 3 - 2x and 7 + 7x = 3 Are they equivalent, if so what is X

Mathematics
1 answer:
oksano4ka [1.4K]4 years ago
4 0

Answer: They are equivalent, and x = -4/7

Step-by-step explanation:

Fist we need to see what the answers to each of these equations are

7 + 5x = 3 - 2x

Subtract 7 on each side

5x = -4 - 2x

Add 2x

7x = -4

X = -4/7

Now the second one

7 + 7x = 3

Subtract 7

7x = -4

X = - 4/7

They are equal and x = -4/7

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“Not all cats dislike having their belly rubbed”

Step-by-step explanation:

Just try not to repeat words because it is confusing and wordy.

6 0
3 years ago
Micah went to the mall with $50 to spend. After spending $8.75 on lunch, he
Delicious77 [7]

Answer:

Step-by-step explanation:

Since he spends 8.75 on lunch, we subtract that from the total, 50 dollars. When we subtract that, we get 41.25 left. The variable is not clear for the sweatshirt cost and how much money you can spend on it, so I will call it x. Since 41.25 is the total amount you can spend on a sweatshirt, anything exactly that amount or less is okay. So, our answer is x is less than or equal to 41.25. (Less than or equal to is the < with a slash underneath)

5 0
3 years ago
The graph of F(x) = x^2 is shown.
max2010maxim [7]

Answer:

B

Step-by-step explanation:

Given a function of a parabola (quadratic) in the form f(x) = x^2, we have a translated function as:

g(x) = a(x-b)^2

Where

  • a is the vertical compression or stretch. If a > 1, it is a vertical stretch and if 0 < a < 1, it is a vertical compression.

  • b is the horizontal translation b units to the right

The function given is p(x) = 3(x-8)^2

So it means that it is a vertical stretch with a factor 3 and the graph is shifted horizontally 8 units right

the correct answer is B

4 0
3 years ago
Which option describes the solution of this system of inequalities? 2x + y 3 and x + 3y 3
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8 0
3 years ago
The tape diagram shows a way to model 5/8 x 11. Enter a number in each box to answer the questions.
MaRussiya [10]

A. The value of units is 5/8 to 1 unit

B. The value of 5 units as an improper fraction is; 25/8.

C. The value of 5 units, as a mixed number is; 3 1/8

<h3>Improper fractions and Mixed numbers</h3>

The tape model given is; 5/8 × 11.

On this note, we can conclude that;

A. 1 unit is equivalent to 5/8

B. The value of 5 units as an improper fraction is therefore given by; 5/8 × 5

  • = 25/8.

C. The value of 5 units, as a mixed number is evaluated from 25/8 and is given as;

  • = 3 1/8

Read more on units and models:

brainly.com/question/12294079

5 0
2 years ago
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