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Mashutka [201]
3 years ago
6

Evaluate the expression

Mathematics
2 answers:
nevsk [136]3 years ago
8 0

Simplifying
-16 + 23 (-4) + -3
Multiply 23 x -4
Add -16 + -92=-108
Add -108-3= -111 <------Answer
vagabundo [1.1K]3 years ago
4 0
The answer would be -111
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Which equation is the inverse of y = 7x2 – 10?
MrRissso [65]

we have

y=7x^{2}-10

To find the inverse

Step 1

Exchanges the variables, x for y and y for x

x=7y^{2}-10

Step 2

Isolate the variable y

x=7y^{2}-10

7y^{2}=x+10

y^{2}= \frac{x+10}{7}

Square Root both sides

y=(+/-)\sqrt{\frac{x+10}{7}}

Step 3

Let

f(x)^{-1}=y

so

f(x)^{-1}=(+/-)\sqrt{\frac{x+10}{7}}

therefore

<u>the answer is</u>

The inverse is  

f(x)^{-1}=(+/-)\sqrt{\frac{x+10}{7}}

8 0
3 years ago
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Answer:

Volume= 82.4in³

Step-by-step explanation:

Volume is the measure of the amount of space inside of a solid figure, like a cube, ball, cylinder or pyramid. It's units are always "cubic"

To find the volume of sphere, we will use the following formula of Volume:

Volume = 4/3 πr³

Put the values in the formula:

As we know that the value of π is 22/7 or 3.14

Radius = 2.7

According to the formula:

Volume = 4/3 * 3.14 *(2.7)³

Volume= 4/3* 3.14(19.683)

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3 0
3 years ago
Explain why 6^3x7^3=42^3 is correct.
Orlov [11]

Answer:

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Step-by-step explanation:

When two or more quantities have the same exponents, their bases can be multiplied together.

4 0
3 years ago
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Damm [24]
The answer would be 5/27
(If you want me to explain I can)

Hope this helps

Have a great day/night
8 0
3 years ago
13+26 [(2.8 x 5) divided by 7]<br> HELPPP
Katen [24]
65
1. you work in the parentheses and multiply 2.8 by 5 which is 14
2. you divide 14 by 7 which is 2
3. you follow PEMDAS and multiply 26 by what is in the parentheses (2) which is 52
4. you add 13 with 52 which is 65
hope this helped!!
4 0
3 years ago
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