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saw5 [17]
3 years ago
11

Someone please hurry and answer i will mark brainelist!!!!! or how ever you spell it

Mathematics
1 answer:
tigry1 [53]3 years ago
3 0

What is the question?

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−2 1/4=r−4/5<br><br> What is r?
dmitriy555 [2]

Answer:

r = -29/20 or r = -1.45

Step-by-step explanation:

I believe you are saying that the equation is -2 1/4 = r - 4/5. If so, then I would solve it in this way:

-2 1/4 = r - 4/5

-9/4 = r - 4/5

-9/4 (20) = r (20) - 4/5 (20)

-45 = 20r - 16

20r = -29

r = -29/20

r = -1.45

Check:

-2 1/4 = r - 4/5

-9/4 = r - 4/5

-2.25 = r - 0.8

-2.25 = -1.45 - 0.8

-2.25 = -2.25

-9/4 = -9/4

4 0
3 years ago
Find x <br> Picture Below
Mumz [18]

m∠BEC=(1/2)(mBC + mAD)

110 = (1/2)(x+97)

220 = x+97

x=220 - 97

x= 123⁰

7 0
3 years ago
9.4+9.4-2.25+2.2-5.9+86.10+12.98-62.6
Luba_88 [7]

Answer:

49.33

Step-by-step explanation:

8 0
3 years ago
Kate can mow lawns at a constant rate of 4/5 lawns per hour. How many lawns can Kate mow in 20 hours?
weqwewe [10]

Answer:

16 lawns

Step-by-step explanation:

set up a proportion:

(4/5 ÷ 1) = (x÷20)

cross-multiply:

5x = 80

x = 16

8 0
3 years ago
6. NO CALCULATOR (except for checking) [VIPP #5] Solve the linear equation. Write solutions in set notation or in sentence form.
GrogVix [38]

Answer:

X_2

Step-by-step explanation:

X_2/5+2X+1/2= 12x_1/10

6 0
2 years ago
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