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Brums [2.3K]
2 years ago
14

Find the value of y.

Mathematics
2 answers:
Bas_tet [7]2 years ago
8 0

Step-by-step explanations

explanation is in the image above hope this helps please mark me brainiest

anyanavicka [17]2 years ago
6 0

Answer:

18.5

Step-by-step explanation:

28^2 - 21^2 = y^2

y = 18.5

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ANSWER PLZ QUICK AND FAST WHAT THE ANSWER
In-s [12.5K]
Hi there!

Let's solve this inequality step by step!
- 6r + 2r > 3 - 3r

First collect the terms on the left.
- 4r > 3 - 3r

In order to solve, we must isolate r. Therefore we need to bring them all to the left. Our next step will therefore be to add 3r to both sides of the equation.
- r > 3

Finally we need to divide both sides of the equation by -1. Because we divide by a negative, the sign flips.
r <  - 3

Hence, the answer is r < -3.
~ Hope this helps you!
5 0
3 years ago
What is the y-value in the solution to this system of linear equations?
Karolina [17]

Answer:

y = -4

Step-by-step explanation:

Solve the following system:

{4 x + 5 y = -12 | (equation 1)

3 y - 2 x = -16 | (equation 2)

Add 1/2 × (equation 1) to equation 2:

{4 x + 5 y = -12 | (equation 1)

0 x+(11 y)/2 = -22 | (equation 2)

Multiply equation 2 by 2/11:

{4 x + 5 y = -12 | (equation 1)

0 x+y = -4 | (equation 2)

Subtract 5 × (equation 2) from equation 1:

{4 x+0 y = 8 | (equation 1)

0 x+y = -4 | (equation 2)

Divide equation 1 by 4:

{x+0 y = 2 | (equation 1)

0 x+y = -4 | (equation 2)

Collect results:

Answer:  {x = 2 , y = -4

6 0
3 years ago
Read 2 more answers
Identify the sequence as arithmetic geometric or neither -8, -3, 6, 11, -22
melomori [17]

Answer:

Neither

Step-by-step explanation:

Check if it's arithmetic:

-8, -3, 6, 11, -22

+5  +6   +5  -33

Nope

Check if geometric:

-8, -3, 6, 11, -22

*3/8  *-2 *11/6 *-2

Nope

So it's neither

5 0
3 years ago
The formula for average speed when traveling a distance of ddd over a time ttt is \dfrac dt
Anna11 [10]

Answer:

ouuuuu that is a really good question

7 0
3 years ago
Read 2 more answers
Find the radius of a hemisphere with a volume of 106.1 cubic inches. Round to the nearest tenth if necessary.
True [87]

Answer:

Step-by-step explanation:

8 0
3 years ago
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