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IrinaVladis [17]
3 years ago
9

What is 28% of 80? Enter your answer as a decimal in the box.

Mathematics
2 answers:
shepuryov [24]3 years ago
8 0
22.4 is the percentage 

please thank me

solmaris [256]3 years ago
6 0
22.4 is the answer to your question!
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A car and a motor bike are priced at $19877. If the value of the car is four times the value of the motor bike, how much is the
Jlenok [28]

Answer:

4,969.25

Step-by-step explanation:

$19877 ÷ 4

you van either divide this the long way or the short way either one will give you the same answer so just try it out and see

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2 years ago
Find the exact value of cos 105°.
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If you put it into your calculator by pressing the COS button and then typing in 105, you get -0.258819045...
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3 years ago
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Claim: The mean pulse rate (in beats per minute) of adult males is equal to 68.9 bpm. For a random sample of 134 adult males, th
LenaWriter [7]

Part A. Express the original claim in symbolic form.

Claim: <em>The mean pulse rate (in beats per minute) of adult males is equal to 68.9 bpm.</em>

<em />

<em>Therefore, the original claim in symbolic form is:</em>

ANSWER:

\mu=68.9\text{ bpm}

Part B. Identify the null and alternative hypotheses.

\begin{gathered} H_0\colon\text{ }\mu=68.9\text{ bpm} \\ H_1\colon\mu\ne68.9\text{ bpm} \end{gathered}\begin{gathered} H_0\text{ or the null hypothesis will be based to our claim. We will test if the mean pulse} \\ \text{rate of an adult male is equal to 68.9 bpm.} \\ H_1\text{ or the alternative hypothesis is the one that contradicts the null hypothesis. That is } \\ \text{why our H}_a\text{ has the sign of not equal to (}\ne). \end{gathered}

<em />

6 0
2 years ago
Evaluate the expression: 3a+4<br><br> a = 1.5<br><br> a = 1/3<br><br> a = 2
Nana76 [90]

Answer:

mathpapa.com

the place i got this from tbh i don't understand what you want for an answer but i tried, so here is a website that i got these from i hope it helps you.

Step-by-step explanation:

Evaluate for a= 1/3

3(1/3)+4(1/3) = 7/3

Evaluate for a= 1.5

(3)(1.5)+(4)(1.5)

=10.5

Evaluate for a=

(3)(2)+(4)(2)

=14

7 0
2 years ago
The graph of y = 3x - 4
zhenek [66]

Answer:

Step-by-step explanation:

5 0
4 years ago
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