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Ivanshal [37]
3 years ago
14

Please help with this page

Mathematics
2 answers:
REY [17]3 years ago
7 0
1. )2.7
2.)8.875
3.)9.
4.)4.
Ulleksa [173]3 years ago
7 0
There are 14 quarters in $3.50
1||97.2/3.6=2.7
2||6.39/0.72=8.875
3||0.81/0.09= 9.0
4||1.08/0.27=4.0
5||Nathan is correct since they put the decimal point one space ahead of where it was supposed to be and that the decimal should be in between the 1 and 9 by estimation.
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The perimeter of a rectangular sandbox is 28ft. The length is six times the width.
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The measures of two complementary angles are m angle 1 = (10x+7) and m angle 2=(9x-12) find the measures of both angles
USPshnik [31]

Answer:

m<1 = 57°

m<2 = 33°

Step-by-step explanation:

To find the numerical measure of both angles, let's come up with an equation to determine the value of x.

Given that m<1 = (10x +7)°, and m<2 = (9x - 12)°, where both are complementary angles, therefore, it means, both angles will add up to give us 90°.

Equation we can generate from this, is as follows:

(10x + 7)° + (9x - 12)° = 90°

Solve for x

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Combine like terms

19x - 5 = 90

Add 5 to both sides

19x = 90 + 5 (addition property not equality)

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Divide both sides by 19

x = 5

m<1 = (10x +7)°

Replace x with 5

m<1 = 10(5) + 7 = 50 + 7 = 57°

m<2 = (9x - 12)

Replace x with 5

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5 0
3 years ago
Which equation represents a line which is parallel to the line 8y-3x=-8
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First, we need to make the equation given to be in the form;

y=mx + b

where m is the slope and b is the intercept

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comparing the above with y =mx + b

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slope of parallel equations are equal

From the options given the only equation with slope 3/8 is;

y= 3/8 x + 8

y=\frac{3}{8}x\text{ + 8}

The above equation of the line is parallel to 8y - 3x = -8

7 0
1 year ago
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