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viva [34]
3 years ago
5

Ricky has a 26-foot ladder. He must have the bottom of the ladder 10 feet from the wall. Will he be able to reach a roof that is

24 feet high?

Mathematics
1 answer:
matrenka [14]3 years ago
6 0
Check the picture below.

the ladder is 26ft, the roof is 24ft above, so the ladderis 2ft longer than needed, if you move the ladder 10 feet away, will it give 24 or more?  well, you know already.

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An ant can crawl 3/4 of a yard in 1/2 minute. How long will it take for the ant to crawl 12 yards?​
Elan Coil [88]

Answer:

6 mins

Step-by-step explanation:

An ant can crawl 3/4 of a yard in 1/2 minute. How long will it take for the ant to crawl 12 yards?​

Ant crawls 3/4 of a yard in = 1/2 min = 60/2 sec = 30 sec

Ant crawls 12 yards in = 12 * 30 = 360 sec = 360/60 = 6 minutes

5 0
3 years ago
Read 2 more answers
Does the ratio 15/12 and 5/4 form a proportion?
Tanya [424]

Answer:

yes

Step-by-step explanation:

5 times 3 is 15 and 12 and 15 and 12 divided  by  3 you will get 5/4

4 0
3 years ago
Use elimination to solve the system of equations given by 3x - 2y = 10 and 5x + 2y = 6​
pishuonlain [190]

Answer:

x = -2  y= -8 and 8

Step-by-step explanation:

Since there is an equal number of y's, they cancel out when subtracting. You can put either equation on top. You will get same answer.

<u>To find x:</u>

<u>If you do (3x - 2y = 10) - (5x + 2y = 6​),</u> you will get -2x=4. Divide both sides by -2, and get x = -2.

<u>If you do (5x + 2y = 6​) - (3x - 2y = 10)</u>, you will get 2x=-4.Divide both sides by 2, and get x = -2.

<u>To find y:</u>

Substitute -2 for x in either equation. It doesn't matter.

<u>For 3(-2) - 2y = 10:</u>

3(-2) - 2y = 10 ––Multiply

-6 - 2y =10 ––Add 6 to both sides to get y alone

-2y = 16 ––Divide by -2

y = -8

<u>For 5x + 2y = 6​:</u>

5(-2) + 2y = 6​ ––Multiply

-10 + 2y = 6 ––Add 10 to both sides to get y alone

2y = 16 ––Divide by 2

y = 8

 

6 0
2 years ago
Simplify ----2√45 + 3√3 + 2√3 A~ --18√5 + 5√3 B~ --6√5 + 6√3 C~ --2√5 + 6√3 D~ --6√5 + 5√3
puteri [66]

Answer:

Simplify ----2√45 + 3√3 + 2√3

A~ --18√5 + 5√3

B~ --6√5 + 6√3

C~ --2√5 + 6√3

<u>D~ --6√5 + 5√3</u>

Step-by-step explanation:

[tex]-2\sqrt{45}+3\sqrt{3}  +2\sqrt{3} =-2\sqrt{45}  + 5\sqrt{3} =-6\sqrt{5} + 5\sqrt{3}[/tex

7 0
3 years ago
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If you were to roll two number cubes and record the sum 180 times, you should expect to roll a four 10 times.
Delvig [45]

Answer:

False

Step-by-step explanation:

4 0
3 years ago
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