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frosja888 [35]
4 years ago
8

1.

Mathematics
1 answer:
antoniya [11.8K]4 years ago
3 0

Answer:

B

Step-by-step explanation:

∠1 = ∠ 4  

corresponding angles are congruent

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What is 1/8 in percentage
rodikova [14]
12.5%

I hope I helped please leave thanks
6 0
4 years ago
Read 2 more answers
I have 31 stamps in total. I have 4 more 1 cent stamps than 8 cent stamps and twice as many one cent stamps as 12 cent stamps. I
Neko [114]

Answer:

There area 14 one cent stamps

Step-by-step explanation:

Let

x -----> the number of 1 cent stamps

y -----> the number of 8 cent stamps

z -----> the number of 12 cent stamps

we know that

0.01x+0.08y+0.12z=1.78 -------> equation A

x=y+4 ------> y=x-4 -----> equation B

x=2z -----> z=0.5x ------> equation C

substitute equation B and equation C in equation A and solve for x

0.01x+0.08(x-4)+0.12(0.5x)=1.78

0.01x+0.08x-0.32+0.06x=1.78

0.15x=1.78 +0.32

0.15x=2.10

x=14

therefore

There area 14 one cent stamps

6 0
3 years ago
You need 1/2 a cup of butter for every 2 eggs in a chocolate chip cookie recipe What is the unit rate of cups of butter per egg?
Lapatulllka [165]

Answer: 1/4 cups of butter

Step-by-step explanation:

You need 1/2 cups of butter for every 2 eggs.

When a question asks for the unit rate, it means what quantity of the other variable is needed per 1 unit of the variable in question.

In other words, how many cups of butter are needed per egg.

= Cups of butter / no. of eggs

= 1/2 ÷ 2

= 1/4 cups of butter

3 0
3 years ago
Plz help this is due tonight and I have no clue :(
motikmotik
Section 1:

using this format we can determine what the answer is:

42 105
—— • ——-
100 x

(the spacing may be off but imagine two separate fractions)

first multiply 100 by 105 to get 10,500

then divide by 42 to get 250

this means that sasha’s book has 250 pages

section b:

using the same formula we can solve this problem:

first we need to multiply 250 by 2 to get the total cost of both tickets

175 x
—— • ——
100 500

(again spacing may be off but think of two separate fractions)

then multiply 500 by 175 to get 87,500

then divide by 100 to get 875

to find the profit subtract 875-500

this means he will make $375 profit

conclusion:

sasha’s book has 250 pages

trevor will make $375 profit

this is the method my teacher taught me last year so it should be right, hope this helps and please mark brainliest!!
8 0
3 years ago
Richard has four times as many marbles as john. if Richard have 18 to John they would have the same number. how many marbles has
ser-zykov [4K]

Answer:

The number of marbles Richard has 24 and John has 6.

Step-by-step explanation:

Richard has four times as many marbles as john.

If Richard have 18 to John they would have the same number.

Now, to find number of marbles each has.

Let the marbles of John be x.

And the marbles of Richard be 4x.

According to question:

4x=x+18.

<em>Subtracting both sides by x we get:</em>

3x=18.

<em>Dividing both sides by 3 we get:</em>

x=6.

<u><em>Marbles of John</em></u><em> = 6.</em>

<u><em>Marbles of Richard</em></u><em> = 4x=4\times 6=24</em>

Therefore, the number of marbles Richard has 24 and John has 6.

6 0
4 years ago
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