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masha68 [24]
3 years ago
9

Which expression is equivalent to x6 – 9?

Mathematics
1 answer:
Cerrena [4.2K]3 years ago
5 0

Answer:

12-9

Step-by-step explanation:

If 'x' value is 2

Then x*6 - 9

Then x*6 = 12

Then x*6-9 = 12-9

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Find an equation of the line that (a) has y-intercept of -8 and (b) is parallel to the line 6 x − 1 y = 7 6x-1y=7 . Write your a
faust18 [17]

Answer:

The equation of the line in the slope-intercept form is:

\:y=6x-8

Step-by-step explanation:

The slope-intercept form of the equation of a line is

y\:=\:mx\:+\:b

As y intercept is -8, we have

y\:=\:mx\:-8

Since the line is parallel to 6x-y=7, then it has the same slope.

Let's put this equation in y\:=\:mx\:+\:b  form and find the slope

6x-y=7

y=6x-7

Thus, the slope is :

m = 6

Now we can finish the equation of the line in the slope-intercept form

y\:=\:mx\:+\:b

\:y=6x-8           ∵ m = 6, b = -8

Therefore, the equation of the line in the slope-intercept form is:

\:y=6x-8

7 0
3 years ago
What is the property of 2x32x5=2x5x32=
a_sh-v [17]
It would be communitive property
5 0
3 years ago
Yasmine made waffles for her family.4/7 of the waffles where blueberry 1/7 of the waffles where chocolate chip . The rest of the
Dvinal [7]

Answer:

2/7 of the waffles did not have blueberries or chocolate chips.

Step-by-step explanation:

So first, it says 4/7 were blueberry, and 1/7 were chocolate chip. When you add them two you get 5/7. The denominator is 7, so subtract 7 from 5 and you get 2, 2/7. 2/7 of the waffles did not have blueberries or chocolate chips.

5 0
3 years ago
Kristin and Alex went to track practice. Kristin ran four more than twice as many
DiKsa [7]

Answer:

175/8

Step-by-step explanation:

first 4*2=8 then 8*x=175/8

4 0
2 years ago
EXPLAIN ANSWER PLZ!
Dmitriy789 [7]

height,h = 3"

base, b = length, l = 2

area of triangle, t = bxh/2...eqn 1

area of square, s = l^2...eqn 2

area of pyramid, p =4t + s...eqn 3

subst h = 3 and b = 2 in eqn 1

t = 3x2/2 = 3

subst l =2 in eqn 2

s = 2^2 = 4

subst t = 3 & s = 4 in eqn 3

p = 4(3) + 4 = 16sq inch

6 0
3 years ago
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