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olchik [2.2K]
3 years ago
9

Is the relationship linear,exponential, or neither ?

Mathematics
1 answer:
Sophie [7]3 years ago
6 0

ANSWER:

B

Step-by-step explanation:

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If m∠A = 56°, m∠B = 60°, and c = 8, what is the measure of side length b?
Alekssandra [29.7K]

Using the law of sines:

\frac{b}{sin(B)}=\frac{c}{sin(C)}

Solve for b:

\begin{gathered} b=\frac{c\cdot sin(B)}{sin(C)} \\ so: \\ b=\frac{8\cdot sin(60)}{sin(64)} \\ b\approx7.708 \end{gathered}

Answer:

7.708

5 0
11 months ago
I skipt thought the lesson pls help
Karo-lina-s [1.5K]

Answer:

I'm not sure but the last one I think is wroght

4 0
3 years ago
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1) What is 5/7 x 3/5? A)2/3 B)2/9 C)3/7 D)5/4
Yuliya22 [10]

Answer: 3/7

Step-by-step explanation:

8 0
2 years ago
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Karina uses the system of equations below to compare the monthly utility costs in July and December for electricity, x, and natu
fiasKO [112]

Answer:

d. The cost of natural gas (y) = $0.83 per unit

Step-by-step explanation:

The explanation is shown below:-

the equation of system is:

750x + 17y = 141.61  (i)        

300x + 30y =75.90 (ii)

as x indicates the cost of electricity and y indicates the costs of natural gas.

we will solve the both equation with the help of multiplication for (i) by 30 and for (ii) 75

30\times (750x  + 17y) 30\times 141.61\\\\

after solve the above equation we will get

22,500x + 510y = 4248.3 (iii)

75\times (330x + 30y) = 75\times 75.90

after solve the above equation we will get

22500x + 2250y = 5692.5 (iv)

After deducting the equation (iii) and (iv) we will get

1740 y = 1444.2

After Dividing by 15 both sides,

116y = 96.28

So, Katrina simplify the above system using linear equation and reach at the equation that is

116 y = 96.28

By Division property of equality defines that divide the equal no. of both sides of an equation:

by  Division of 116 to both sides of an equation, to get y:

\frac{116y}{116} = \frac{96.28}{116}

y = 0.83

So, the natural gas is $0.83 per unit

7 0
3 years ago
The unit rate for $124 for 8 skirts is $
dedylja [7]

Answer:

15.20,15.50

Step-by-step explanation:

5 0
2 years ago
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