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aev [14]
3 years ago
6

PLEASE HELP What is coefficient in the expression:

Mathematics
1 answer:
Alexxandr [17]3 years ago
7 0
What are the asnwers

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What is 21/49 sinple
NikAS [45]
21/49 in simplist from would be 3/7.
Your answer is <em>3/7</em>
6 0
3 years ago
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Mark each! Of the following equations as true or false. Explain or showing your reasoning!
Airida [17]

Answer:

False

True

True

Step-by-step explanation:

Multiplying add exponents

Divide subtract exponents

Exponent multiply exponents

8 0
3 years ago
What is the length of EF in the triangle? Show your work. HELP!
Zinaida [17]

The length of EF in the given triangle is 8.80 m.

Step-by-step explanation:

Step 1:

In the given triangle, the opposite side's length is 16.2 m, the adjacent side's length is x m while the triangle's hypotenuse measures 16.2 m units.

The angle given is 90°, this makes the triangle a right-angled triangle.

So first we calculate the angle of E and use that to find x.

Step 2:

As we have the values of the length of the opposite side and the hypotenuse, we can calculate the sine of the angle to determine the value of the angle of E.

sinE = \frac{oppositeside}{hypotenuse}  =\frac{13.6}{16.2} = 0.8395.

E = sin^{-1} (0.8395), E = 57.087.

So the angle E of the triangle DEF is 57.087°.

Step 3:

As we have the values of the angle and the hypotenuse, we can calculate the cos of the angle to determine x.

cos E = \frac{adjacentside}{hypotenuse} = \frac{x}{16.2} .

cos(57.087) = 0.5433, x = 16.2 (0.5433) = 8.8014.

Rounding this off to the nearest hundredth, we get x = 8.80 m.

8 0
3 years ago
Write six hundred twelve thousand, three hundred in the place -value chart. then write the number in expanded form.
Amanda [17]
6 - hundred thousand
1 - ten thousands
2 - thousands
3 - hundred
0 - tens
0 - ones

600,000 + 10,000 + 2,000 + 300
8 0
3 years ago
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you buy a new video game for $60 the sales tax is eight what is the total cost for the game including sales tax
aev [14]

The answer is 8percent is 64.8 dollars hope this helps you thank you so much have a great day

6 0
3 years ago
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