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Artist 52 [7]
3 years ago
14

10(1 + 3b)=-20 solve

Mathematics
2 answers:
Snezhnost [94]3 years ago
6 0

10(1 + 3<em>b</em>) = -20

Isolate <em>b</em>.

Apply the distributive property: <em>a</em>(<em>b</em> + <em>c</em>) = <em>ab</em> + <em>ac.</em>

10(1 + 3<em>b</em>) = -20

10 + 30<em>b</em> = -20

Subtract 10 from both sides.

10 + 30<em>b</em> - 10 = -20 - 10

30<em>b</em> = -30

Divide both sides by the coefficient, 30.

<em>b</em> = -1

<h3>Answer:</h3>

-1

kow [346]3 years ago
4 0
10 + 30b = -20
30b = -30
B=-1
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postnew [5]

Answer:

The answer to your question is AB = 6.9

Step-by-step explanation:

Data

∠A = 70°

∠C = 62°

BC = 7.3

AB = x

Process

1.- To solve this problem use the law of sines

                 AB / sin C = BC / sin A

Substitution

                 AB / sin 62 =  7.3 /  sin 70

Solve for AB

                AB = 7.3(sin 62) / sin 70

                AB = 7.3(0.883) / 0.940

                AB = 7.3 (0.939)

Result

                 AB = 6.8                

                     

4 0
3 years ago
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Verdich [7]

Answer:

12

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3 years ago
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5 0
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kipiarov [429]

<em>Please </em>use for reference. Merci.

To find rate of change simply divide y/x.

hour 2: 56/2=28

hour 4: 125/4~about 31.3 or 31

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Thus, the correct answer was option C.

5 0
3 years ago
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