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yulyashka [42]
3 years ago
7

What does z equal? Equation: 9 (z - 82) = 90

Mathematics
2 answers:
iVinArrow [24]3 years ago
6 0

Answer:

z = 92

Step-by-step explanation:

9 (z - 82) = 90

Divide both sides by 9

z - 82 = 90/9

z - 82 = 10

add 82 to both the sides,

z - 82 +82 = 10 +82

z = 92

matrenka [14]3 years ago
3 0

Answer:

Z=92

Step-by-step explanation:

Distribute, 9z-738=90

Add 738, 9z=828

Divide, z=92

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When the following expression is written in simplest form, what is the coefficient of the variable term? -2.5y + 8y - 10.5y
LUCKY_DIMON [66]

Answer:

Option 1 is correct.

-5

Step-by-step explanation:

Given:

The given expression is.

=-2.5y+8y-10.5y

Write the given expression in simplest form.

=-2.5y+8y-10.5y

Add negative term of y.

=-13y+8y

=-5y

The simplest form of given expression is =-5y

Therefore, the coefficient of the variable term is -5

7 0
4 years ago
50 points and brainlist!
Lady bird [3.3K]

Answer:

D

Step-by-step explanation:

3 0
3 years ago
Read 2 more answers
What is K if your equation is 49X-84X+K
Elan Coil [88]

Answer:

1

Step-by-step explanation:

if there is just k, the number behind it is always 1

5 0
3 years ago
What is the slope of a line that is perpendicular to the line y=-3x
exis [7]

slope of a line that is perpendicular to the line y=-3x is 1/3

What is slope of line?

A line's slope in mathematics is defined as the ratio of the change in the y coordinate to the change in the x coordinate. Both the net change in the y-coordinate and the net change in the x-coordinate are denoted by y and x, respectively. where "m" represents a line's slope. So, the slope of a line is tanθ.

y=-3x

tanθ=slope = y/x= -3

Slope(M) of this equation is -3

Let the slope of its perpendicular line is m

As we know that the product of the slopes of perpendicular lines is -1

so,

M*m =-1

-3 * m= -1

m=1/3

Learn about slope from the link below

brainly.com/question/6716094

#SPJ1

5 0
1 year ago
PLEASE HELP FAST!!!!!!!!!!!
san4es73 [151]

Answer:

First expression         8y +4x +10

Second expression    7x-3y +6

If you want to combine both expressions: 5y +11x +16

Step-by-step explanation:

Like terms are the terms which have same variables and powers/roots.

Example: 7x and 2x are like terms because the variables are both "x". So we can combine in 9x

In an expression, only like terms can be combined. We combine like terms to shorten and simplify algebraic expressions, so we can work with them more easily. To combine like terms, we add the coefficients and keep the variables the same

10y + 3x + 10 + x -2y  

10y-2y=8y          3x+x=4x

so         8y +4x +10

3x - y + 4x + 6 - 2y

3x+4x=7x              -2y -y = -3y

so  7x-3y +6

4 0
3 years ago
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