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Verdich [7]
3 years ago
11

5(x + 8) + x + y; x=3 and y=30

Mathematics
2 answers:
Thepotemich [5.8K]3 years ago
6 0
Plug in 3 for x and 30 for y

5(3 + 8) + 3 + 30

Use PEMDAS

5(11) + 3 + 30

55 + 33

88 

88 is your answer

hope this helps
emmainna [20.7K]3 years ago
4 0
Substitute the variable's values for the variables themselves.

5(x + 8) + x + y =>
5(3 + 8) + 3 + 30

Use the order of operations to simplify this expression.

5(3 + 8) + 3 + 30
5(11) + 3 + 30
55 + 3 + 30
58 + 30
88

So, the answer is 88.
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What is 2 to the power of 4 over 3 equal to? (5 points)
ryzh [129]

Answer:

The answer is the option C

cube root of 16

Step-by-step explanation:

Remember that

a^{\frac{x}{y}} =\sqrt[y]{a^{x}}

in this problem we have

a^{\frac{x}{y}}=2^{\frac{4}{3}}

therefore

2^{\frac{4}{3}} =\sqrt[3]{2^{4}}=\sqrt[3]{16}

4 0
3 years ago
I’m triangle PQR, SP = SQ. What is SQR? Help please.
My name is Ann [436]

Answer:

25

Step-by-step explanation:

we have to subtract SPQ from SRQ=SQR

mark me as brainliest

8 0
3 years ago
Plz help me
Snowcat [4.5K]

Answer:

9/4 as a fraction or 2.25 as a decimal

Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
<img src="https://tex.z-dn.net/?f=%20%5Csqrt%5B3%5D%7Bx%20-%201%7D%20" id="TexFormula1" title=" \sqrt[3]{x - 1} " alt=" \sqrt[3]
shusha [124]
So the -1 is under the check mark too?

7 0
3 years ago
Bismuth-210 is an isotope that radioactively decays by about 13% each day, meaning 13% of the remaining Bismuth-210 transforms i
Luden [163]

Answer:

Approximately 76.5 mg.

Step-by-step explanation:

Given,

The initial quantity of the Bismuth-210, P = 233 mg,

Also, the rate of decay per day, r = 13 %

Thus, the quantity of the Bismuth-210 after 8 days would be,

A=P(1-\frac{r}{100})^8

=233(1-\frac{13}{100})^8

=233(1-0.13)^8

=233(0.87)^8

=76.4733194697

\approx 76.5\text{ mg}

3 0
3 years ago
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