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3 years ago

What is 30% of 25? please help

Mathematics

1 answer:

Mariulka [41]3 years ago

5 0

Answer:

7.5

Step-by-step explanation:

multiply then divide

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A quality-control center finds that 2 out of 250 toy trains are defective. How many trains would they expect to be defective in

solmaris [256]

Its A. 10,000 divided by 250 is 40. Then multiply 40 by 2 and you get 80

10,000 / 250 = 40
40 * 2 = 80
80= A.

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3 years ago

Lucy makes four pots with cups of macaroni in each pot. If of a cup of macaroni is needed for one serving, what is the most numb

padilas [110]

The answer is A, 32 servings.

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4 years ago

15xy - 4 + 2xy -7xy - 1

Eduardwww [97]

Answer:

10xy-5

Step-by-step explanation:

15xy-4+2xy-7xy-1 is the given expression.

I assume the directions say to simplify.

Group the xy terms together and group the constants together.

15xy+2xy-7xy-4-1

This is a demonstration of the commutative property.

Now I will use the distributive property to rewrite the first 3 terms as a multiplication:

(15+2-7)xy-5

10xy-5

6 0

3 years ago

H(x) = 3x - 1; Find h(3)

vfiekz [6]

Answer:

it is 8 if i substitute x for 3

Step-by-step explanation:

7 0

3 years ago

A circle is inscribed in a 40º-60º-80º triangle. The points of

Vladimir [108]

Answer:

A = 50°

B = 60°

C = 70°

Step-by-step explanation:

If we draw a line from each vertex through the center of the circle, we perpendicularly bisect the line joining the adjacent tangent points.

We then know the original angle is halved and the remaining angle of each right triangle is complementary to half the original.

Now we can subtract the known angles along each line of the original side to find the remaining angle

3 0

3 years ago