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Zinaida [17]
3 years ago
13

How do you solve this

Mathematics
1 answer:
Katyanochek1 [597]3 years ago
4 0
Add it together. You find area with base times height!!!
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Plz solve if you can. Show ur work. I will name Brainliest! (: I need help plzzzzzzzzzz, especially on the check your work part.
maksim [4K]

1) -x + 4 = -2x - 6

Add(2x)

x+4=-6

Subtract(4)

x = -10

<u>Check your work</u>

-(-10)+4=-2(-10) - 6

10+4=-2(-10) - 6

14=-2(-10)

14=20 - 6

14=14

Correct :)

2) 4R - 4 = 3R + 10

Add 4

4R=3R+14

Subtract 3R

R = 14

<u>Check your work</u>

4(14)-4=3(14)+10

56-4=3(14)+10

52=3(14)+10

52=42+10

52=52

Correct :)

3) 2Y - 3 = Y - 4

Add 3

2Y = Y - 1

Subtract Y

Y = -1

<u>Check your work</u>

2(-1)-3=-1-4

-2-3=-1-4

-5=-5

Correct :)

<em>Hope it helps <3</em>

6 0
3 years ago
Solve j ÷ 3 1/2 for j= 9/10<br><br>A) 4 1/5<br>B) 3 3/10<br>C) 9/35
emmasim [6.3K]
The answer is C) 9/35.
5 0
2 years ago
Someone please help me
s344n2d4d5 [400]
In order to prove these triangles congruent by SAS, AB and DE must be congruent. Thus, C is your answer.

Have an awesome day! :)
7 0
3 years ago
What is the solution for the determinant?
Liono4ka [1.6K]
<span>The value of the determinant of a 2x2 matrix is the product of the top-left and bottom-right terms minus the product of the top-right and bottom-left terms.

The value of the determinant of a 2x2 matrix is the product of the top-left and bottom-right terms minus the product of the top-right and bottom-left terms.

= [ (1)(-3)] - [ (7)(0) ]
= -3 - 0
= -3

Therefore, the determinant is -3.

Hope this helps!</span>
4 0
2 years ago
What is a Punnett square and how is it used?
goldfiish [28.3K]
The Punnett Square is a diagram used to predict an outcome of what a specific cross or breeding experiment. 
It is used by biologists to determine the probability of the offspring of having a genotype
6 0
3 years ago
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