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3 years ago

11

Joshua bought several pairs of shoes. Each pair of shoes cost $10. Which algebraic expressions represents the total cost of the

pairs of shoes purchased. Let n represent the number of pairs of shoes.

1 answer:

Lemur [1.5K]3 years ago

6 0

Answer:

10n

Step-by-step explanation:

sorry if i'm wrong

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X2 + 6x +9<br> x² - 4x - 21

Jlenok [28]

Answer:

=8×+9

=(x+3)×(x-7)

Step-by-step explanation:

i think I'm correct

6 0

3 years ago

A circular cake is 360˚. If you eat a piece that is 40˚ of the cake, how many degrees

shtirl [24]

Answer:

320˚ left

Given that:

Total angle: 360˚

Angle Eaten: 40˚

Left:

Total angle - Angle Eaten

360˚ - 40˚

320˚

4 0

2 years ago

I WILL GIVE 20 POINTS TO THOSE WHO ANSWER THIS QUESTION RIGHT NOOOO SCAMS AND EXPLAIN WHY THAT IS THE ANSWER

salantis [7]

Answer:

1433 m^2

Step-by-step explanation:

Area of the triangle

16 x 16 x 1/2 = 128

Area of the hexagon

A = $\frac{3\sqrt{3} }{2} *a^2$

a is a side of the hexagon

A = $\frac{3\sqrt{3} }{2} * 16^{2}$ = 665.1075101...

There are 6 triangles so...

128 x 6 = 768

Therefore the surface area is

665.1075101... + 768 = 1433.10751 m^2

6 0

2 years ago

What is the solution for <br> 8x+2y=13<br> 4x+y=11<br> In substitution method

padilas [110]

Solve for y in 4x+y=11

4x + y = 11
<span>y = 11 − 4x

</span>Substitute <span>y = 11 - 4x</span> into <span>8x + 2y =13

22 = 13

</span>Since <span>22 = 13</span><span> is not true, this is an inconsistent system.
</span>
So, no solution.

Hope this helped! :D

3 0

4 years ago

In the isosceles triangle ABC

artcher [175]

Answer:

x = 4.5

Step-by-step explanation:

Angle B = angle C because it is an isosceles triangle.

3x32 = 87-2x

96 = 87-2x

reduce:

9 = 2x

x = 4.5

6 0

3 years ago