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gladu [14]
3 years ago
9

If the line segment AB is on a number line, and point A is at 4 and Point B is at 19, then the length of AB is ____. Select one:

a. 15 b. - 15 c. 23 d. 12
Mathematics
1 answer:
Kobotan [32]3 years ago
8 0

Answer: 15

Step-by-step explanation:

If two points are together, then you subtract the numbers to get the distance

19 - 4 = 15

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4. An equilateral triangle has a perimeter of 60 cm. Find the exact<br> altitude of the triangle.
taurus [48]

Step-by-step explanation:

<h2>GIVEN:-</h2>

The Perimeter of Equilateral triangle = 60cm

<h2>UNDERSTANDING THE CONCEPT:-</h2>

According to the question,

To find the height of the triangle,

Perimeter of Equilateral triangle = Area of Equilateral triangle.

<h2>FORMULA USED:-</h2>

60 =  \frac{ \sqrt{3} }{4} a {}^{2}  \\

<h2>REQUIRED ANSWER:-</h2>

60 \times 4 =  \sqrt{3a {}^{2} }

a {}^{2}  = 240 \sqrt{3}  \\

a = 120 \sqrt{3} cm

<h3>SO, The Exact height of the triangle is 120√3cm.</h3>
5 0
3 years ago
A man drives from home to the store, shops, and then drives back home. Click on the graph until the graph that best represents t
UNO [17]
It'll be the third one because he stops to shop for a bit, then goes straight home.
4 0
3 years ago
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After a storm damage is the community center sent Kiya and her friends hold fundraising events to help pay for repairs after the
andrew-mc [135]

Answer: the total amount of money that they wanted to raise is $2400

Step-by-step explanation:

Let x represent the total amount of money that Keelan and her friends want to raise.

After the first event they raise $240 which is 10% of the total amount they want to raise. The amount of money that raised after the first event is expressed as

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Therefore,

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Dividing both sides of the equation by 0.1, it becomes

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7 0
3 years ago
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Lostsunrise [7]

Answer:

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Step-by-step explanation:

5 0
3 years ago
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erica [24]

Answer:

(4,4)

Step-by-step explanation:

1. I drew a grid and plotted the 3 points I already knew

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I hope this helps!!

3 0
3 years ago
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