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3 years ago

9

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

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

i hope that’s right!!!!!!! i’m so sorry if it’s not

8 0

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

Viktor [21]

Answer:

3½ cups

Explanation:

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3 0

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.

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

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

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

$Midpoint=\left(4,-6\right)$

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

$y-y_1=m(x-x_1)$

where, m is slope.

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

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

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

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

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

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

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2 years ago

Read 2 more answers

in a small bag there are 3 skittles and 7 m&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