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Scilla [17]
3 years ago
15

Pretty Please help me asap!!:)

Mathematics
1 answer:
Lisa [10]3 years ago
3 0
I would go with b hope this help may i have brianliest
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Angle A and angle B are complementary. m Angle A = 54 and M angle B = 2x+2. What is the m angle B
Gnom [1K]

Answer:

m=17

Step-by-step explanation:

Complementary means they add to equal 90 degrees.

1) 90-A=36

2)36=2x+2

3) Subtract 2 from both sides, 34=2x

4) Divide by 2 17=x

4 0
3 years ago
A pound of oranges cost $3 less than a pound of pears. Together, 8 pounds of oranges and 4 pounds of pears cost $30. How much wo
jek_recluse [69]

A pound of oranges cost x dollar => A pound of pears cost x+3 dollar

We have: 8x+4(x+3)=30 => 12x=30-12=18 =>x=1.5

5 pounds of pears cost: 5(x+3)=5(1.5+3)=5*4.5= 22.5 (dollar)

5 0
3 years ago
In circle "R" below, determine the length of arc AB if BR = 5 units.
riadik2000 [5.3K]
l=2 \pi r( \frac{degrees}{360} )

l=2 \pi × 5 × \frac{135}{360} = 11.78


4 0
3 years ago
Read 2 more answers
How to i put <img src="https://tex.z-dn.net/?f=y%5E%7B2%7D%20%2B20x%2B8y%2B156%3D0" id="TexFormula1" title="y^{2} +20x+8y+156=0"
Svetllana [295]

Answer:

y=−4+2√5(−x−7)

y=−4−2√5(−x−7)

4 0
2 years ago
Please Help! I will give you a lot of points! (6.3)
Mandarinka [93]

Let x be the yearly salary of an architect. Then the yearly salary of a lawyer is 2x-20000.

We can build an equation now! x+(2x-20000)=211000, because the yearly salary of an architect plus the yearly salary of a lawyer is 211000.

We combine like terms to get 3x-20000=211000.

We add 20000 to both sides to get 3x=231000.

We divide both sides by 3 to get x=77000, so the average yearly salary of a lawyer is 77000.

Then, the average yearly salary of an architect is 2(77000)-20000=154000-20000=134000, so the average yearly salary of an architect is 134000.

8 0
3 years ago
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