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MakcuM [25]
3 years ago
9

The value of 2(28+7) is...

Mathematics
2 answers:
Lelu [443]3 years ago
5 0
2(28+7) 


2*35
 
 

= 70
labwork [276]3 years ago
5 0
The answer would be 70 Because you do 2x(28+7) when a number is close to the perenthis you multiply
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PLEASE HELP ME! Simplify the expression.
mote1985 [20]
First expression simplified would be
-2z - 63

second expression would be
-a + b

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2 years ago
Ellie needs 1/2 cup of milk to make blueberry muffins . She pours 1/2 cup of milk from a quart container of milk.how many cups o
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Answer:

3½ cups

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3 years ago
Geometry:(<br><br> will give brainist to correct answer:)
Lorico [155]

Given:

End points a line segment are (9,-8) and (-1,-4).

To find:

The equation of perpendicular bisector of given line.

Solution:

Slope of given line is

m=\dfrac{y_2-y_1}{x_2-x_1}

m_1=\dfrac{-4-(-8)}{-1-9}

m_1=\dfrac{-4+8}{-10}

m_1=\dfrac{4}{-10}

m_1=-\dfrac{2}{5}

Product of slopes of two perpendicular line is -1.

m_1\times m_2=-1

(-\dfrac{2}{5})\times m_2=-1

m_2=\dfrac{5}{2}

So, slope of perpendicular bisector is \dfrac{5}{2}.

Perpendicular bisector passes through the midpoint of given endpoints.

Midpoint=\left(\dfrac{x_1+x_2}{2},\dfrac{y_1+y_2}{2}\right)

Midpoint=\left(\dfrac{9+(-1)}{2},\dfrac{(-8)+(-4)}{2}\right)

Midpoint=\left(\dfrac{8}{2},\dfrac{-12}{2}\right)

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So, perpendicular bisector passes through (4,-6) and having slope \dfrac{5}{2}. The equation of perpendicular bisector is

y-y_1=m(x-x_1)

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y+6=\dfrac{5}{2}(x)+\dfrac{5}{2}(-4)

y+6=\dfrac{5}{2}x-10

y=\dfrac{5}{2}x-10-6

y=\dfrac{5}{2}x-16

Therefore, the equation of perpendicular bisector is y=\dfrac{5}{2}x-16.

7 0
3 years ago
6,372<br> x 75<br> ________ Equal to what answer?
givi [52]
6,372 x 75 = 477,900
7 0
2 years ago
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in a small bag there are 3 skittles and 7 m&amp;ms . in a large bag there are 60 skittles and some proportionate amount of m&amp
ser-zykov [4K]

Answer:

There will be 200 pieces of candy in the big bag.

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2 years ago
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