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Temka [501]
3 years ago
8

Find the hypotenuse (x) of the right triangle.

Mathematics
1 answer:
Advocard [28]3 years ago
8 0

Step-by-step explanation:

Hypotenuse = sqrt[(7)² + (11)²] = sqrt170 = 13m.

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A storekeeper has two kinds of flour, one selling for 65 cents per pound, and the other selling for 95 cents per pound. How many
Murrr4er [49]

Answer:

The amount of 65 cents per pound flour to use is 40 pounds and the amount of 95 cents per pound flour to use is 60 pounds

Step-by-step explanation:

Let

x ----> amount of 65 cents per pound flour to use

y----> amount of 95 cents per pound flour to use

we know that

x+y=100 ----> y=100-x ----> equation A

0.65x+0.95y=0.83(100) ----> equation B

substitute equation A in equation B

0.65x+0.95(100-x)=0.83(100)

Solve for x

0.65x+95-0.95x=83

0.95-0.65x=95-83

0.30x=12

x=40\ lb

Find the value of y

y=100-40=60\ lb

therefore

The amount of 65 cents per pound flour to use is 40 pounds and the amount of 95 cents per pound flour to use is 60 pounds

4 0
3 years ago
Read 2 more answers
A student has 54 coins in a bank. There are only quarters, nickels, and dimes in the bank. If there are twice as many dimes as q
r-ruslan [8.4K]
The student would have 18 dimes in the bank.. 54 coins. x+2x+3x=54
6x=54

18 dimes,
9 quarters
27 nickles.
5 0
3 years ago
A=h(a+b)/2 solve for h
OlgaM077 [116]
Well h would equal 2A over a+b
3 0
3 years ago
The cost to rent a car is $25 plus an additional $0.15 for each mile the car is driven. How many miles was a car driven if it ha
marissa [1.9K]
312

71.80-25.00= 46.80

46.80÷ .15= 312
8 0
3 years ago
I just need help with this problem
sashaice [31]
Keeping in mind that the area of a circle is πr².

the actual area will just be the area of the rectangular backyard plus the pool, namely (10*20) + (π15²), which gives us an actual area of 200 + 225π.

now, we know the model and actual are on a 1:20 ratio.

\bf \cfrac{model}{actual}\qquad 1:20\qquad \cfrac{1}{20}\qquad \qquad \cfrac{m}{200+225\pi }=\cfrac{1}{20}
\\\\\\
m=\cfrac{(200+225\pi )1}{20}\implies m=\cfrac{200+225\pi }{20}\implies m=\cfrac{200}{20}+\cfrac{225\pi }{2}
\\\\\\
m=10+112.5\pi
5 0
3 years ago
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