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svetlana [45]
3 years ago
7

One number is 10 times as large as another, and their difference is 81. Find the numbers.

Mathematics
2 answers:
yulyashka [42]3 years ago
6 0
The smaller number=x
the larger number=10x
we can suggest this equation:
10x-x=81
9x=81
x=81/9=9

The smaller number is 9
The larger number is :  10x=10(9)=90


Answer: the larger number is 90.
Snezhnost [94]3 years ago
5 0

Answer:

The smaller number is 9

The larger number is :  10x=10(9)=90

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Tamiku [17]
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What is the line slope of (10,5) and (1,9)
sveta [45]
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Hope that helped :-)
7 0
3 years ago
Read 2 more answers
The lateral area of a cone is 400 pi cm squared. The radius is 10 cm. Find the slant height to the nearest tenth.
Ilia_Sergeevich [38]

Answer:

Option A. 40\ cm

Step-by-step explanation:

we know that

The lateral area of a cone is equal to

LA=\pi rl

we have

LA=400\pi \ cm^{2}

r=10\ cm

substitute and solve for l (slant height)

400\pi=\pi (10)l

simplify

400=(10)l

l=400/10=40\ cm

8 0
3 years ago
The midpoint of AB is M(0, 3) If the coordinates of A are (4, - 1) , what are the coordinates of B?
Harlamova29_29 [7]

-4;4

XB=0*2-4

YB=3*2-(-1)

3 0
3 years ago
What is the geometric mean between 7 and 12
Tresset [83]

Answer:

Geometric Mean = 9.17

Step-by-step explanation:

Here,

a = 7

b = 12

Geometric mean = root(ab)

= root( 7 x 12)

= root(84)

= 9.17

6 0
2 years ago
Read 2 more answers
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