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8090 [49]
3 years ago
7

Find the measure of the indicated angle. Round to the nearest tenth.

Mathematics
1 answer:
erik [133]3 years ago
4 0

Answer:

Step-by-step explanation:

cos θ=12/16=3/4=0.75

θ=cos^{-1}(0.75)≈41.4°

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Please help me with this
Leno4ka [110]

Answer:

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Step-by-step explanation:

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3 0
3 years ago
Grace and her brother Sid want to raise money to go to band camp. Their parents have agreed to help them earn up to $400 by payi
LenKa [72]

Answer:

25m + 10b = 400

Step-by-step explanation:

Total amount that can be earned = $ 400

Amount earned on mowing a lawn = $ 25

Amount earned per hour on babysitting = $10

Amount earned for mowing one lawn is $ 25, so amount earned for mowing m lawns will be $ 25m

Amount earned for one hour of babysitting is $ 10, so amount earned for babysitting for b hours will be $ 10b

Total amount earned = Amount earned from mowing m lawns + Amount earned from babysitting for b hours

Using the values from above, we can set up the equation as:

400 = 25m + 10b

or

25m + 10b = 400

This equation represents the number of lawns they can mow, m, and hours they can babysit, b, to earn $400.

3 0
3 years ago
What is the quotient? 2 1/2÷(−1 3/4)
anastassius [24]

Answer:

2 \times \frac{1}{2}  \div ( -  \frac{13}{4})  =  \frac{5}{2}  \times  -  \frac{4}{3}  =  -  \frac{10}{13}

5 0
3 years ago
Solve H= -b divided by 2a for b
nata0808 [166]

Answer:

b=-2aH

Step-by-step explanation:

H=-b/2a

Apply cross multiplication

H×2a=-b

2aH=-b

In the question you are to find positive b not negative b so you have to take negative b to the left hand side of the equation to become positive b and take 2aH to the right hand side to become -2aH

therefore b=-2aH

7 0
3 years ago
4%*57+(7654*34562)-68+1-213=?
OLga [1]

Step-by-step explanation:

264537270.28

ok..... oddly..

6 0
3 years ago
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