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erma4kov [3.2K]
3 years ago
11

Dan has 39 books in his library. He bought several books at a yard sale over the weekend. He now has 92 books in his library. Ho

w many books did he buy at the yard sale?
Mathematics
1 answer:
MaRussiya [10]3 years ago
3 0

Answer: 92 - 39 = 53

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#10 HELP PLEASE THANKS!
Furkat [3]

Answer:

I believe it's 3.

Step-by-step explanation:

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3 years ago
(SAT Prep) An airplane has leveled off (is flying horizontally) at an altitude 12000 feet. When the airplane is at point P its p
serious [3.7K]

Answer:

m∠PRT = 114°

m∠T = 37°

m∠RPT = 29°

Step-by-step explanation:

This question is incomplete (without a picture) ; here is the picture attached.

In this picture, an airplane is at an altitude 12000 feet.

When the plane is at the point P, pilot can observe two towns at R and T in front of plane.

We have to find the measure of ∠PRT, ∠T and ∠RPT.

Form the figure attached segment PS is parallel to RT and PR is a transverse.

We know that internal angles formed on one side of the parallel lines by a transverse are supplementary.

Therefore, x + 66 = 180

x = 180 - 66 = 114°

∠PRT = x = 114°

m∠RPT = m∠SPR - m∠SPT

             = 66 - 37

             = 29°

Since m∠PRT + m∠T + m∠RPT = 180°

114 + ∠T + 29 = 180

143 + ∠T = 180

∠T = 180 - 143

∠T = 37°

8 0
3 years ago
Read 2 more answers
Suppose you decide to put $12,500 in an account earning 9% interest compounded quarterly. How much interest would you earn after
Vesnalui [34]

Step-by-step explanation:

you add 9% to a number by multiplying that number by 1.09.

because adding 9% gives us in the end 109% of the original amount.

anyway, the formula for quarterly compounded interest is

Cq = P [ (1+r)^(4*n) – 1 ]

P is the starting principal amount

r is the interest rate per quarter (= interest rate / 4)

n would be the number of years (= 1 in our case).

so, the interest after 1 year is

12500((1 + 0.09/4)⁴ - 1) = 12500(1.0225⁴ - 1) =

= 12500 × 0.093083319 = $1,163.541485 ≈ $1,163.54

8 0
1 year ago
Write the numerical expression 34 in expanded form.
garik1379 [7]

Answer:

not sure what type you mean but here are options

Step-by-step explanation:

30+4=34

thirty-four

5 0
2 years ago
How do you graph y=-3x-3
netineya [11]

Answer:you go to negative (0,-3) on the y axis then u go down by 3 and then over by 1 and keep doing that to form ur line

Step-by-step explanation:

5 0
3 years ago
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