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aleksklad [387]
3 years ago
10

Xavier is a new student, explain to him what a variable is. Use complete sentences.

Mathematics
1 answer:
Anit [1.1K]3 years ago
3 0

Answer:a symbol, usually a letter, used to represent a number.

Step-by-step explanation:

a math process (like adding, subtracting, multiplying, or dividing)

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What is the slope of the line passing (-3 ,4) and (2, -1)?
alexdok [17]

The slope is -1.

because the slope formula gives you (-1-4)/(2-(-3)) which is -5/5 which also is -1

5 0
3 years ago
Can someone help pls will mark Brainly and 10+ points only 11 and 12
elena55 [62]

Answer:

11. 90 ( i think )

Step-by-step explanation:

you add the hight and width then multiply by two

4 0
3 years ago
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An antelope can run at a speed of 61 miles per hour. What is this speed in yards per second? Round to the nearest hundredth. ​
andrew11 [14]

Answer:

20.3 yards per second.

Step-by-step explanation:

I THINK, IM NOT 100% SURE

6 0
3 years ago
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Two numbers have these properties:
almond37 [142]

Answer:

12\ and\ 30

Step-by-step explanation:

Given both numbers are greater than 6

Their HCF is 6

Their LCM is 60

The product of the HCF and LCM of two numbers is the same as the product of the numbers themselves.

Let us say those number are a and b

a\times b=6\times 60\\a\times b=360

So, the product of those number is 360

Let us factorize 360

360=1\times 2\times 2\times 3\times 5\times 6

It is given that number should be greater than 6

The possible pairs of number are (10,36)\ and\ (12,30)

But only (12,30) has LCM as 60.

So those numbers are 12\ and\ 30

5 0
3 years ago
Two men on the same side of a tall building notice the angle of elevation to the top Of the building to be 30 and 60 respectivel
Vladimir [108]

Answer:

  115.47 feet

Step-by-step explanation:

You know the relation between opposite and adjacent sides of an angle in a right triangle is ...

  Tan = Opposite/Adjacent

If the "adjacent" side of the angle of elevation is the distance of the man from the building, we have ...

  tan(30°) = (100 ft)/d1

and

  tan(60°) = (100 ft)/d2

Solving these equations for d1 and d2 gives ...

  d1 = (100 ft)/tan(30°)

  d2 = (100 ft)/tan(60°)

Then the distance between the two men is ...

  d = d1 -d2 = (100 ft)(1/tan(30°) -1/tan(60°)) ≈ 115.47 ft

The distance between the two men is about 115 feet.

4 0
3 years ago
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