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3 years ago

Circle the expressions that represent 10% of the original cost

Mathematics

1 answer:

Anni [7]3 years ago

5 0

Answer:

What are the choices?

Step-by-step explanation:

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Suppose y varies directly as x, and y=14 when x=4. What is the value of y when x=9

Katena32 [7]

Given :-

y varies directly as x, and y=14 when x=4.

To Find :-

the value of y when x=9 .

Solution :-

According to Question ,

y = kx ( k is constant )

When y = 14 and x = 4 ,

14 = k(4)
k = 14/4
k = 7/2

When x = 9 ,

y = 7/2*9
y = 63/2
y = 31.5

8 0

2 years ago

Write in its simplest form : 30 : 1 ¼ hour

Alex Ar [27]

Answer:

Step-by-step explanation:

3 0

2 years ago

If () = − 10, find (20)

Studentka2010 [4]

the correct answer to your question is 10

8 0

2 years ago

Determine whether line segment FG is tangent to circle E.

liubo4ka [24]

The tangent meets the radius at a right angle.

We use (the converse of) the Pythagorean Theorem to check:

$26^2 + 17^2 = 965 \ne 30^2$

Not a right triangle

Answer: FALSE

4 0

2 years ago

The perimeter of the triangle at right is 52 units. Write and solve an equation based on the information in the diagram. Use you

marysya [2.9K]

Answer:

equation: (7x-4) +19 +(10x+3) = 52
x = 2
red: 10
blue: 19
yellow: 23

Step-by-step explanation:

The equation is based on the relation that the perimeter is equal to the sum of the side lengths.

P = red + blue + yellow

52 = (7x -4) +(19) +(10x +3)

52 = 17x +18 . . . . . . . . . . . . . . simplify

34 = 17x . . . . . . . . . . . . . subtract 18

2 = x . . . . . . . . . . . . divide by 17

red = 7(2) -4 = 10

blue = 19

yellow = 10(2) +3 = 23

3 0

1 year ago