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galina1969 [7]
3 years ago
8

Helpp please !!!!!!!!!!

Mathematics
1 answer:
Oksi-84 [34.3K]3 years ago
6 0

Answer:

x= 4

m<ABC= 56

Step-by-step explanation:

since BD bisects, both sides of the angle are equal.

So we can set up an equation like this: <ABD=<CBD

(9x-8)=(5x+8) calculate for x

you'll find x=4

then put four into one of the angle equations

9(4)-8=28

now we know each side of the angle is 28, double it to find the whole (<ABC)

28+28=56

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Please help with 18-20, thank you
Anit [1.1K]
18 - 20 is an equation that'll go into integers as your answer. If you subtract 20 - 18 the answer is 2. It's basically the same equation except you're going into negative numbers. 18 - 20 = -2
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3 years ago
A moving company charges $40 plus $0.25 per mile to rent a van. Another company charges $25 plus $0.35 per mile to rent the same
Bond [772]
<h3>Answer:</h3>

c. 150 miles

<h3>Step-by-step explanation:</h3>

You want to find the number of miles (m) that make the charges equal.

... 40 +0.25m = 25 + 0.35m

... 15 = 0.10 m . . . . . . add -25-0.25m

... 150 = m . . . . . . . . . divide by the coefficient of m

For 150 miles, the rental cost will be the same for both companies.

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4 years ago
HELP PLEASE!! ASAP, Find the surface area of the sphere. Round your answer to the nearest hundredth.
k0ka [10]

Answer:

201.06

Step-by-step explanation:

A=4πr2 is the equation (r being radius)

4·π·(4)2≈201.06193

4 0
2 years ago
Leonard made the 3-d shape below for an art project. He wants to paint it blue.
GalinKa [24]

Answer:

Is 10cm and 6 cm an option

4 0
3 years ago
Martin deposits $700 into a savings account that gains interest at a rate of 5.5% annually. If he waits 7 years to withdraw the
Travka [436]

。☆✼★ ━━━━━━━━━━━━━━  ☾  

Use the multiplier 1.055

final = original x multiplier^n

where 'n' is the number of years

Sub the values in

final = 700 x 1.055^7

final = 1018.27

Subtract the values:

1018.27 - 700 = 318.27

Thus, he earns more than $275

He earns $43.27 more

Have A Nice Day ❤    

Stay Brainly! ヅ    

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。☆✼★ ━━━━━━━━━━━━━━  ☾

4 0
3 years ago
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