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krok68 [10]
3 years ago
7

Which expression is equivalent to 15 + 35

Mathematics
1 answer:
olya-2409 [2.1K]3 years ago
8 0

Answer:

It says “which” so is it multiple choice??

Also a picture would help!!

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Find the value of x.
Gnoma [55]

Answer:

x = 10

Step-by-step explanation:

Since the triangle is right use the sine ratio to find x

sin30° = \frac{opposite}{hypotenuse} = \frac{5}{x}

cross- multiply

x × sin30° = 5 ( sin30° = 0.5 )

0.5x = 5 ( divide both sides by 0.5 )

x = 10

5 0
3 years ago
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A certain forest covers an area of 4600km. Suppose that each year this area decreases by 7.75%. What will the area be after 13 y
wolverine [178]

Answer:

1679.60\ km^2

Step-by-step explanation:

-We can use the exponential decay function to estimate the size after 13 years:

P_t=P_oe^{-rt}

Where:

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P_t=P_oe^{-rt}\\\\=4600e^{-13\times 0.0775}\\\\=1679.60

Hence, the forest covers 1679.60\ km^2 after 13 years.

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3 years ago
Becky learned a total of 6 appetizer recipes over the course of 3 weeks of culinary school. After how many weeks of culinary sch
enot [183]
If the six appetizer recipes are distributed evenly between the three weeks, that would mean that Becky learned two recipes per week.

The answer is 10 weeks, every week Becky learns two recipes.

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3 years ago
Find the area of a circle with radius 7cm
uysha [10]
<span>153.94 is the answer. </span>
4 0
3 years ago
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QUICK!!!
Tpy6a [65]

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