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3 years ago

I will give multiple brainlist to people who help me with these slides!

Mathematics

2 answers:

Vlad [161]3 years ago

8 0

Step-by-step explanation:

A. BC/FG = AC/EG

9/FG = 15/10

FG = (9 x 10) / 15

FG = 6

B. CD/EA= ST/UQ

<em>Follow </em><em>my </em><em>account^</em><em>^</em>

lesantik [10]3 years ago

4 0

Answer:

A)6

B)ST

Step-by-step explanation:

A if u turn it, 15 is equal to the 10

15/9=10/x

x=90/15

x=6

B) Turn it so #2 is facing up.

ST is the same.

Hope this helps plz hit the crown :D

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a round swimming pool has a circumference of 66 feet. Carlos wants to buy a rope to put across the diameter of the pool. the rop

xxMikexx [17]

Answer:

$11.25
21 ft

Step-by-step explanation:

The formula for the circumference of a circle in terms of diameter is ...

C = πd

Then the diameter is ...

d = C/π

If we use π ≈ 22/7 and C = 66 ft, then we find the diameter to be ...

d = (66 ft)/(22/7) = (66 ft)(7/22) = 21 ft

The diameter of the pool is about 21 feet.

Since Carlos needs 4 more feet of rope, he will want to buy 25 feet of rope for a cost of ...

(25 ft)($0.45 /ft) = $11.25

Carlos will pay $11.25 for the rope.

3 0

3 years ago

Multiply 2a by(3a+7)

Serjik [45]

6a^2 + 14a
hope this helps

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3 years ago

Sally can paint the wall in 54 minutes. If Sally and Ethan work together, they can paint the wall in 36 minutes. How much time d

MAXImum [283]

Answer:

$108\ minutes$

Step-by-step explanation:

1) we know that

Sally can paint the wall in 54 minutes

The 100% of the wall ------> she can paint in 54 minutes

by proportion

calculate how much is the percent of the work in 36 minutes

$\frac{100\%}{54} =\frac{x\%}{36}\\ \\x=36*100/54\\ \\x=66.67\%$

That means

Sally in 36 minutes can paint the 66.67% of the wall

2) Sally and Ethan work together, they can paint the wall in 36 minutes

Ethan in 36 minutes can paint (100%-66.67%)=33.33%

by proportion

Calculate how much time does it take for Ethan to paint the wall by herself

$\frac{33.33\%}{36} =\frac{100\%}{x}\\ \\x=36*100/33.33\\ \\x=108\ minutes$

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3 years ago

3. The population of a city grows at a rate of 5% per

saul85 [17]

Answer:

the answer is B. 2008

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3 years ago

Read 2 more answers

(2h³j^-3 k⁴)/3jk<br>Just look at pic

Troyanec [42]

The answer is: 2•h^3•k^3 / 3•j^4

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2 years ago