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Alborosie
3 years ago
15

Pls help me with thissssss

Mathematics
2 answers:
sergejj [24]3 years ago
7 0
Divide the two numerators and get 3.25 multiply 13 hours by that and the answer to the first part is 42.25
nydimaria [60]3 years ago
4 0
Yes that’s very true
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If the three angles of a quadrilateral are 120, 130, 100 then what is the fourth angle?
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Answer:

c. 40

Step-by-step explanation:

3 0
2 years ago
Convert 3<br> 8 into a decimal.
marishachu [46]

Answer:

0.375

Step-by-step explanation:

3/8=0.375, use a calculator for this or long division

7 0
2 years ago
A border to surround a picture is to be cut from a 10 1/2 in by 10 1/2 in mat board. If picture is 8 3/4 in by 8 3/4 in what is
Lilit [14]
Since the dimensions of the length and width are equal, then the board and the picture are squares. The width of the board is the margin surrounding the picture. Let's denote the width to be x. The length of the picture plus the length of the width at both ends should equal the length of the board. So, the equation should be:

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3 0
3 years ago
Solve for the variable: -4h + 2 = 18 <br> A. -4<br> B. -2<br> C. 1<br> D. 6
Anna [14]
You need to isolate the variable <em>h</em>. 

1) Subtract both sides by 2. 

-4h + 2 = 18
-4h + 2 - 2 = 18 - 2
-4h = 16

2) Divide both sides by -4 (the coefficient). 
(-4h) / -4 = 16 / -4
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5 0
3 years ago
Find the slope and y-intercept of the line that is
Vlad [161]

Remark

Perpendicular slopes are found by using the formula m1*m2 = - 1. That is followed by using the given point to determine the y intercept.

Solution

<em><u>Step One</u></em>

Find the slope of the new line

m1 = - 1/3

m2 = ??

m1 * m2 = - 1

(-1/3) * m2 = - 1

You could continue by changing (-1/3) to a decimal.

(-0.3333333333) * m2 = -1    Now divide by the decimal

m2 = - 1/ (-0.3333333333)

m2 = 3 which is what my calculator tells me the answer is.

<u>Step Two</u>

So far what you have is

y = 3x + b

Use the point (-3, -7) to get the y intercept.

-7 = 3(-3) + b

b - 9 = - 7

b = -7 + 9

b = 2

y = 3x + 2 Answer

Graph

The graph shown below is both lines plotted in desmos. The red line is y = 3x + 2 which is perpendicular to the given graph y = (-1/3)x +5 which is in blue.

The green dot is the point (-3 , - 7)


3 0
3 years ago
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