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maw [93]
2 years ago
13

PLEASE HELP !

Mathematics
1 answer:
Fofino [41]2 years ago
7 0

Answer:

1. Muliplication Property of Equality

2. Simplifying

3. Addition Property of Equality

4. Simplifying

Step-by-step explanation:

First, get x-7 by itself by multiplying 2 on both sides. Simplify both sides to get x-7=-22. Add 7 to both sides to get x by itself to get x=-15.

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!!15 points in help quick please help mee first on becoming brainiest
sveta [45]

Answer:

1^2 = 1

2^2 = 4

3^2 = 9

4^2 = 16

5^2 = 25

6^2 = 36

7^2 = 49

8^2 = 64

9^2 = 81

10^2 = 100

11^2 = 121

12^2 = 144

13^2 = 169

14^2 = 196

15^2 = 225

16^2 = 256

17^2 = 289

18^2 = 324

19^2 = 361

20^2 = 400

Brainliest plz??

6 0
2 years ago
Read 2 more answers
Find the Surface Area of the right triangular prism.
Elis [28]
It’s always gonna be 60 Units this is just an known fact
8 0
2 years ago
7(2а - 3) - 5a = -3<br><br> please show the work
Otrada [13]

Answer:

a = 2

Step-by-step explanation:

14a - 21 - 5a = -3

9a - 21 = -3

9a = -3 + 21

9a = 18

a = 2

4 0
3 years ago
I need desperate help PLEASE!!!
koban [17]

Answer:

OPTION B

OPTION D

Step-by-step explanation:

An element in the domain should be mapped to exactly one element on the co-domain. Also, every element in the domain should be mapped to an element in the co-domain.

These two conditions are satisfied to call a relation, a function.

Two different elements in the domain can be mapped to the same element in the co-domain. But the same element in the domain cannot be mapped to two different elements in the co-domain.

A) {(3,7), (3,6), (5,4), (4,7)}

Here, the element '3' in the domain is mapped to two elements 7 and 6. So, it is not a function.

B) {(1,5), (3,5), (4, 6), (6,4)}

This is a function because all the elements in the domain have a unique image in the co-domain. So, this is a function.

C) {(2,3), (4,2), (4,6), (6,4)}

Here, the element '4' in the domain is again mapped to two different elements. Hence, it cannot be a function.

D) {(0,4), (3,2), (4,2), (6,5)}

This is again a function. Because the domain is mapped to unique elements. So, this is a function.

4 0
2 years ago
If the mass of two objects is increased, what is the effect on the force between them?
almond37 [142]

Answer:

A

Step-by-step explanation:

The formula used for this type of question is

F = \frac{Gm_1m_2}{r^2}  

so as long as you don't change anything else (like r), changing m will increase the force. Both of the last 2 answers look like they might be feasible, but they are not. The attraction increases.

So the answer is A

7 0
3 years ago
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