4 years ago

Can someone please help me

Mathematics

1 answer:

Kay [80]4 years ago

7 0

Answer:jss needed point srry

Step-by-step explanation:

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Solve 7x – 9 = 28 + 4(x – 1).

lidiya [134]

7x - 9 = 28 + 4x - 4
7x - 4x = 28 - 4 + 9
3x = 33
x = 11

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3 years ago

Find an equation (in term of x) of line through the points (-1,3) and (1,4)

Serjik [45]

ANSWER

The equation is
$2y - x = 7$

EXPLANATION

The equation of the line that passes through the point (-1,3) and (1,4) can be found using the formula,

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

where

$m = \frac{4 - 3}{1 - - 1}$

$m = \frac{1}{2}$
is the slope and

$(x_1,y_1)$
is a point on the line.

The equation of the line becomes,

$y - 4 = \frac{1}{2} (x - 1)$

Multiply through by 2 to get,.

$2y - 8 = x - 1$

Or

$2y - x = 7$

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3 years ago

When the outlier(s) are removed, how does the mean change?

trasher [3.6K]

Answer:MMHH Im sure ITSSSSSSSSSSSSSSSSSSSSSS A i know its correct

Step-by-step explanation:

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3 years ago

A gym teacher placed golf balls into 9

Viefleur [7K]

Answer:

135

Step-by-step explanation:

9 x 15 = 135

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3 years ago

Read 2 more answers

What is the difference of a number q and 8

icang [17]

When you want know the defference, you substract those numbers

so, the difference between q and 8 will be: q - 8

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3 years ago