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3 years ago

6

Students collected 600 cans for the canned food drive. That was 80% of their goal. How many more cans do they need to collect to

tech their goal?

1 answer:

Elena-2011 [213]3 years ago

4 0

Answer: 120

Step-by-step explanation:

600x.80=480, 600-180= 120

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Steve is looking up at Godzilla with an angle of elevation of 49 degrees. If Steve is 400 feet away, how tall is Godzilla to the

tatiyna

9514 1404 393

Answer:

460 feet

Step-by-step explanation:

The tangent relates the measures to the angle:

tan(angle of elevation) = (Godzilla height)/(distance away)

tan(49°) = (Godzilla height)/(400 ft)

Godzilla height = (400 ft)(tan(49°)) ≈ 460 ft

Godzilla is 460 feet tall.

6 0

3 years ago

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Which expression is equivalent to 15 (n+3/n) ?<br> £ <br> N=10

Alika [10]

Answer:

$\sum_{n=10}^{15}(n+\frac{3}{n})=\sum_{n=10}^{15} n + \sum_{n=10}^{15} \frac{3}{n}$

Step-by-step explanation:

Given expression : $\sum_{n=10}^{15}(n+\frac{3}{n})$

Solving further:

$\sum_{n=10}^{15}(n+\frac{3}{n})$

$\Rightarrow \sum_{n=10}^{15} n + \sum_{n=10}^{15} \frac{3}{n}$

So, $\sum_{n=10}^{15}(n+\frac{3}{n})=\sum_{n=10}^{15} n + \sum_{n=10}^{15} \frac{3}{n}$

So, Option A is true

Hence the given expression is equivalent to Option A

6 0

3 years ago

Simplify<br><br> urgent pls

Sonbull [250]

Answer: VI)

$\frac{x - 1}{3(x+ 1)}$

VII)

$\frac{2(m - 7) \times (m + 7)}{n(n - 7)}$

Step-by-step explanation:

VI)

$\frac{{(x + 1)}^{2}}{6} \times \frac{2}{{x}^{2} - 1}$

$= \frac{2{(x - 1)}^{2} }{6(x - 1) \times (x + 1)}$

$= \frac{x - 1}{3(x+ 1)}$

VII)

$\frac{{m}^{2} - 49}{3n} \div \frac{2n - 14}{6}$

$= \frac{(m - 7) \times (m + 7)}{3n} \times \frac{6}{2(n - 7)}$

$= \frac{2(m - 7) \times (m + 7)}{n(n - 7)}$

Can't type fast enough, LaTex is hard :(

6 0

3 years ago

Tey is making a square frame for her painting. She is using 4 pieces of wood that are each 2.75 feet long. How much wood will te

V125BC [204]

Answer:

11 feet wood will tenly use to make the frame.

Step-by-step explanation:

As given

Tey is making a square frame for her painting.

She is using 4 pieces of wood that are each 2.75 feet long.

Tenly uses wood to make the frame = Number of pieces of wood × Length of each pieces

Here

Number of pieces of wood = 4

Length of each pieces = 2.75 feet

Put in the above

Tenly uses wood to make the frame = 4 × 2.75

= 11 feet

Therefore 11 feet wood will tenly use to make the frame.

8 0

4 years ago

In a circle with an 8-inch radius, a central angle has a measure of 60°. How long is the segment joining the endpoints of the ar

sergij07 [2.7K]

The answer would be 8. An isosceles triangle is formed with each angle being 60, which means which side is 8.

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4 years ago

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