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sergejj [24]
3 years ago
7

Please help am stuck thanks

Mathematics
2 answers:
Anna11 [10]3 years ago
7 0

Answer:

12.4 did this before

Step-by-step explanation:

lbvjy [14]3 years ago
5 0

Answer:

sɪʀ ʏᴏᴜʀ ᴀɴsᴡᴇʀ ɪs 12.4

ᴀᴄᴄᴏʀᴅɪɴɢ ᴛᴏ ᴍɪᴅ ᴘᴏɪɴᴛ ᴛʜᴇʀᴏᴇᴍ

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A pet store donated a percent to very sale to hospitals. The total sales were $9,925 so the store donated $397. WHat percent of
const2013 [10]

Answer:

4%

Step-by-step explanation:

\frac{part}{entirety} *100

\frac{397}{9925} *100 =4

4 0
3 years ago
Cos(2x) - 3cos(x) + 2= 0 ??
alexandr1967 [171]
Ignore above
your equation is 2(cosx)^2-3cosx+1=0
use quadratic formula to get results
you will end up with
cosx=1 or cosx=1/2
so, x=0 or x=pi/3

3 0
4 years ago
How can (4x⁵/2x²)³ be solved in 2 different ways
Margaret [11]

We assume that we need to simplify the expression in two different ways.

Answer:

One way: Raise both, the numerator and denominator, to the third power, and then simplify the expression.

Second way: Simplify the terms inside parentheses, and then raise the result to the third power.

The result of both ways is the same: \\8x^{9}

Step-by-step explanation:

<em>One way</em>

Raise both, the numerator and denominator, to the third power, and then simplify the expression:

\\ (\frac{4x^{5}}{2x^{2}})^{3}

\\ (\frac{64x^{5*3}}{8x^{2*3}})

\\ (\frac{64x^{15}}{8x^{6}})

\\ \frac{64}{8}\frac{x^{15}}{x^{6}}

\\8x^{9}

This is the first simplification.

<em>Second way</em>

Simplify the terms inside parentheses, and then raise the result to the third power.

\\ (\frac{4x^{5}}{2x^{2}})^{3}

\\ (\frac{4}{2}*\frac{x^{5}}{x^{2}})^{3}

\\ (2*x^{5-2})^{3}

\\ (2*x^{3})^{3}

\\ (2^{3}*x^{3*3})

\\ (8*x^{9})

or \\ 8x^{9}.

3 0
3 years ago
The world record for the men's 4 X 400-meter relay race is 2:54.29,
Arte-miy333 [17]

Answer:

A is b/c the 2 minutes and 54 seconds are 174 seconds and the .29 also gets carried over, so it is 174.29. (You are converting minutes to seconds [60 seconds=1 minute])

B the average time of the four runners would be 43.5725 seconds, b/c 174.29/4=43.5725

6 0
2 years ago
A cylindrical garbage can has the dimensions shown.
Tanzania [10]

Answer:

  • 113.04 square inches

Step-by-step explanation:

Horizontal cross-section of a cylinder is a circle with same dimension as its base

<u>Given diameter </u>

  • 12 inches

<u>Area formula</u>

  • A = πr² = πd²/4

<u>So the area of cross section is: </u>

  • A = 3.14*12²/4 = 113.04 square inches
8 0
3 years ago
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