3 years ago

A tax of 20% is collected on every purchase at a supermarket.

1 answer:

5 0

The first three statements are correct while the last statement is incorrect.

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spayn [35]

(6y-2y+5y)9

= 54y-18y+45y

80-10y

=10(8-y)

5 0

2 years ago

uysha [10]

Radius=2
center(-2,4)

4 0

3 years ago

Pavel [41]

Answer:

y = 6

Step-by-step explanation:

To write the equation of a line, calculate the slope between points (-4,y) and (-2,8). Substitute m = 1 and solve for y.

$m = \frac{y_2-y_1}{x_2-x_1}\\\\ 1 = \frac{y-8}{-4--2}\\\\ 1 =\frac{y-8}{-2}\\\\-2=y-8\\\\6=y$

6 0

4 years ago

bearhunter [10]

Point D (-2,-6)>>(x,-y)>> Point D’(-2,6)
Point D’ (-2,6)>> (-x,y)>> Point D’’(2,6)

7 0

3 years ago

Daniel [21]

Answer:

x=12.5

Step-by-step explanation:

0.7x times (-1.4)=-3.5

-0.28x=-3.5 (divide both sides)

Ans:12.5

4 0

3 years ago