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3 years ago

10

What is the amount of discount?

1 answer:

Salsk061 [2.6K]3 years ago

8 0

Answer:

3.75

Step-by-step explanation:

100d=12.5 x 30

12.5 times 30 equals 375

so

100d=375

now divide 100 both sides to get your discount

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What is the surface area of the triangular prism?

Elanso [62]

Answer:

135 square feet

Step-by-step explanation:

area of base and top=2(1/2×6×2.5)=15 square feet.

area of three faces=(2.5+6+6.5)×8=15×8=120 ft

total surface area=15+120=135 square feet.

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3 years ago

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Andreas93 [3]

Answer:

A. The magnitudes are 10, and the direction angles are about 18 degrees.

Step-by-step explanation:

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3 years ago

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A triangle is graphed in the coordinate plane. The vertices of the triangle have coordinates (–3, 1), (1, 1), and (1, –2). What

vladimir2022 [97]

Answer:

The perimeter of the triangle is $12\ units$

Step-by-step explanation:

Let

$A(-3,1),B(1,1),C(1,-2)$

we know that

The perimeter of triangle is equal to

$P=AB+BC+AC$

the formula to calculate the distance between two points is equal to

$d=\sqrt{(y2-y1)^{2}+(x2-x1)^{2}}$

step 1

Find the distance AB

$A(-3,1),B(1,1)$

substitute in the formula

$AB=\sqrt{(1-1)^{2}+(1+3)^{2}}$

$AB=\sqrt{(0)^{2}+(4)^{2}}$

$AB=4\ units$

step 2

Find the distance BC

$B(1,1),C(1,-2)$

substitute in the formula

$BC=\sqrt{(-2-1)^{2}+(1-1)^{2}}$

$BC=\sqrt{(-3)^{2}+(0)^{2}}$

$BC=3\ units$

step 3

Find the distance AC

$A(-3,1),C(1,-2)$

substitute in the formula

$AC=\sqrt{(-2-1)^{2}+(1+3)^{2}}$

$AC=\sqrt{(-3)^{2}+(4)^{2}}$

$AC=5\ units$

step 4

Find the perimeter

$P=AB+BC+AC$

substitute the values

$P=4+3+5=12\ units$

6 0

3 years ago

Find the constant of variation k for the direct variation x -1 0 2 5 f(x) 2 0 -4 -10

Fofino [41]

Answer:

k = -2

Step-by-step explanation:

x -1 0 2 5

f(x) 2 0 -4 -10

ƒ(x) = kx

Substitute a pair of values for x and ƒ(x)

-10 = k×5

Divide each side by 5

k = -2

The constant of variation k = -2.

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3 years ago

Can u answer with steps?

nasty-shy [4]

Answer:

if a:c=2:3 andb:c=3:4therefore a:c=2:4

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3 years ago