3 years ago

The intersection of two lines is a

Mathematics

1 answer:

pashok25 [27]3 years ago

8 0

The interstection of 2 lines is a plane

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Anaya took 4 cups of sugar to make a cake.how many ounces of sugar did she take?

Degger [83]

Answer:

32 ounces

Step-by-step explanation:

1 cup is equal to 8 ounces.

4 × 8 = 32

8 0

3 years ago

What is the reciprocal of 2 3/8 a) -19/8 b)-8/19 c)8/19 d)19/8

attashe74 [19]

Answer is C) 8/19

you do ((2*8)+3)/8
making it 19/8
and the reciprocal is the opposite of that answer, so 8/19

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4 years ago

How many gallons of paint are needed to paint one coat, if a gallon of paint covers 400ft squared?

bixtya [17]

Answer:

6.28 gallons

Step-by-step explanation:

first we need to find the area of a half sphere, and then find how much paint will be needed for that area.

The area of a sphere:

$a=4 \pi r^2$

thus, the area of half a sphere is:

$a=2 \pi r^2$

we know that the radius is:

$r=20ft$

we substitute this to find the area of the half sphere (the area they need to paint):

$a=2\pi (20ft)^2\\a=2(3.1416) (400ft^2)\\a=2,513.27ft^2$

now the question is how many gallons of paint are needed to paint 2,513.27 square feet.

We are told that 1 gallon covers 400 square feet

thus, we must divide 2,513.27 by 400:

$\frac{2,513.27ft^2}{400ft^2} =6.28$

6.28 gallons of paint are needed.

5 0

3 years ago

From a set of eight marbles, five red and three white, we choose one at random. What are the odds in favor of choosing a red mar

lesya692 [45]

There's a 5/8 chance that you will choose the red marble and there's only 3/8 chance for a white marble.

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3 years ago

Katherine bought 7 yards of streamers, 25 balloons, and five spools of ribbon to use for party decorations. Each spool contained

dangina [55]

521 feet of streamers and ribbon

This is because 7 yards = 21 feet and 500 + 21 is 521. Hope this helped!

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4 years ago