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alekssr [168]
3 years ago
10

Please help! Will mark brainliest

Mathematics
1 answer:
kobusy [5.1K]3 years ago
7 0

Answer:

B. 15"

Step-by-step explanation:

a^{2}+b^2=c^2\\9^2+12^2=c^2\\81+144=c^2\\225=c^2\\\sqrt{225} = 15

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Sadie brought $28.00 to the art supply store. She bought a brush, a sketchbook, and a paint set. The brush was 1/3 as much as th
Digiron [165]

Answer:

cost of paint set = $ 13.64

cost of sketch book = $ 6.82

cost of brush = $ 4.55

Step-by-step explanation:

Let the cost of paint set is s.

cost of sketch book = s/2

cost of brush = s/3

Money spent = $ 28 - $ 3 = $ 25

So,

s +  s/2 + s/3 = 25

6 s + 3 s + 2 s = 150

11 s = 150

s = $ 13.64

cost of paint set = $ 13.64

cost of sketch book = $ 6.82

cost of brush = $ 4.55

3 0
3 years ago
=
slamgirl [31]

Answer:D

Step-by-step explanation:

First, converting R percent to r a decimal

r = R/100 = 8.5%/100 = 0.085 per year

putting time into years for simplicity

6 months ÷ 12 months/year = 0.5 years

then, solving our equation

I = 10000 × 0.085 × 0.5 = 425

I = $ 425.00

on a principal of $ 10,000.00

at a rate of 8.5% per year

for 0.5 years (6 months) is $ 425.00

3 0
2 years ago
First rewrite 3/7 and 4/9 so they have a common denominator then use <,>,or=
Alex777 [14]

Answer: The common denominator is 63 so..

27/63   <  28/63   so   3/7 < 4/9

Hope this helps

Step-by-step explanation:

5 0
4 years ago
Simplify the expression -3(x+3x. What is the simplified expression in standard form?
Morgarella [4.7K]

Answer:

- 3(x + 3x) \\  - 3x - 9x =  - 12x \\ the \: answer =  \:  - 12x

please give brainliest

4 0
3 years ago
The answer is not A please help
Lubov Fominskaja [6]

Answer:

C

Step-by-step explanation:

Have a nice day

6 0
3 years ago
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