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Daniel [21]
3 years ago
6

What is the value of this expression when c = -4 and d = 10?

Mathematics
2 answers:
kobusy [5.1K]3 years ago
6 0

Answer:

D

Step-by-step explanation:

first you set up your equation:

1/4 ((-4)^3+(10)^2)

now solve exponents in brackets:

1/4 (64+100)

solve brackets:

1/4 (164)

multiply:

1/4 x 164 = 41

that's your answer!

svlad2 [7]3 years ago
5 0

The answer would be B.9

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11hz + 3hz? + 8hz<br> + 9hz + hz? – 3hz
emmasim [6.3K]

Answer:29hz

Step-by-step explanation:

11hz+8hz+9hz +hz

29hz

Add everything together

4 0
3 years ago
Read 2 more answers
If you add 21 to my number and then multiply the result by 3, you will get 84 more than two-thirds of my number. Find my number.
Ksivusya [100]

Based on the calculations, the unknown number is equal to \frac{-45}{7}

  • Let the unknown number be x.

<h3>How to find an unknown number:</h3>

Translate the word problem into an algebraic expression, we have;

Adding 21 to the unknown number:

21 +x

Multiplying the result by 3:

3\times (21+x)

84 more than two-thirds of the unknown number:

\frac{2x}{3} +84

Equating the equations, we have:

3\times (21+x) = \frac{2x}{3} +84\\\\43+3x=\frac{2x}{3} +84

Cross-multiplying, we have:

43+3x=\frac{2x}{3} +84\\\\129+9x=2x+84\\\\9x-2x=84-129\\\\7x=-45\\\\x=\frac{-45}{7}

Read more on word problems here: brainly.com/question/13170908

5 0
2 years ago
How do I solve this?
prisoha [69]

y =  - 7 \\ x = 3

7 0
3 years ago
Five less than three times the length L
julsineya [31]
This cannot be expressed as an answer but the expression for that is 3L-5
8 0
3 years ago
Read 2 more answers
1/3 - 1/2 x 1/2 ?? Help please
Liula [17]

Answer:

1/2

Step-by-step explanation:

1

3

−

1

2

(1)

2

=

1

3

−

1

2

2

=

1

3

−

1

4

=

1/12

5 0
3 years ago
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