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UkoKoshka [18]
2 years ago
6

CHALLENGE FOR YOU COLLEGE PEOPLE What is (5a -7b + 3) + (2a - 6b + 5c - 12)?

Mathematics
1 answer:
Angelina_Jolie [31]2 years ago
7 0

Answer:

7a-13b+5c-9

Hope this helps

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Ally bought 5 different cakes for her birthday. His friends ate 3 1/4 of the amount of cake. Then he gave 1/2 of the cake to his
tamaranim1 [39]

Answer:

7/8 of a cake

Step-by-step explanation:

4 4/4 - 3 1/4 = 1 3/4

7/4 x 1/2 = 7/8

6 0
2 years ago
1.5 times 10 by the power of 4
Murrr4er [49]
You can write
1.5
⋅
10
5
=
15
⋅
10
4
15
⋅
10
4
−
8
⋅
10
4
=
(
15
−
8
)
⋅
10
4
=
7
⋅
10
4
Since the power is positive we move the dec.point 4 to the right:
=
70000








Hope it works
4 0
2 years ago
Factor completely 4x2 - 121
anzhelika [568]

Answer:

(2x+11)x (2x-11)

Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
A rectangular pyramid was sliced parallel to its base. What is the shape of the cross section
nignag [31]

<u>Answer:</u>

Trapezoid is the shape of the cross section of a rectangular pyramid.

<u>Step-by-step explanation:</u>

We are given a rectangular pyramid was sliced such that it becomes parallel to its base. We are to determine the shape of the cross section.

Slicing the pyramid with rectangular pyramid will form a trapezoid as a cross section which will be parallel to the base of the pyramid.

Refer to the figure below for better understanding.

4 0
3 years ago
Rewrite the function f of x equals 7 times one half to the 3 times x power using the properties of exponents.
Artist 52 [7]

Answer:

f of x equals 7 times one eighth to the x power

Step-by-step explanation:

Given phrase,

function f of x equals 7 times one half to the 3 times x power,

\implies f(x) = 7(\frac{1}{2})^{3x}

By the power to power property of exponent,

That is,

(a^m)^n=a^{m.n}

f(x) = 7((\frac{1}{2})^3)^x

f(x) = 7(\frac{1}{8})^x

= f of x equals 7 times one eighth to the x power

8 0
3 years ago
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