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2 years ago

13

A school wants to buy a chalkboard that measures 1 yard by 2 yards. The chalkboard costs $71.00 per square yard. How much will t

he chalkboard cost?

2 answers:

Sedbober [7]2 years ago

8 0

The answer is 142! :)

KengaRu [80]2 years ago

6 0

Answer:

142

Step-by-step explanation:

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An art gallery wants to display 4 pieces of art in the front window. If there are 8 pieces to choose from, how many distinct dis

Viktor [21]

Answer:

D-70

Step-by-step explanation:

It is a combination C(8,4)

5 0

2 years ago

PLEASEEEE HELPPP!!!!

Serggg [28]

Answer:

A.

Step-by-step explanation:

5 0

2 years ago

If the dimensions of a pentagonal prism are quadrupled, then the surface area of the prism is multiplied by eight.

Lubov Fominskaja [6]

Answer:

false

Step-by-step explanation:

the relationship between lengths/dimensions and areas is that areas are created by multiplying 2 dimensions.

when you quadruple (×4) the dimensions, then the areas are growing with the square of the factor (×4×4 = ×16), because the factor goes twice into the multiplication : one time for every dimension involved.

so, quadrupling the dimensions would multiply the areas by 16.

8 0

2 years ago

What is 4/6 equal to

timama [110]

$\frac{2}{3}$

8 0

2 years ago

What is the slope of the line that passes through the points (7, -4) and (7, 0)? Write your answer in the simplest form.

olga55 [171]

Answer:

The slop is undefined

i.e. $m=\infty$

Step-by-step explanation:

Considering the slope formula

$\mathrm{Slope}=\frac{y_2-y_1}{x_2-x_1}$

As the points are (7, -4) and (7, 0)

Here:

(x₁, y₁) = (7, -4)

(x₂, y₂) = (7, 0)

$\mathrm{When\:}y_1\ne \:y_2\mathrm{\:and\:}\:x_1=x_2\mathrm{\:the\:slope\:is\:}\infty$

so

$\mathrm{Slope}=\frac{y_2-y_1}{x_2-x_1}$

$=\frac{\left(0-\left(-4\right)\right)}{\left(7-7\right)}$

$=\frac{0-\left(-4\right)}{0}$

$=\infty$

Therefore, the slop is undefined i.e. $m=\infty$

5 0

2 years ago