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creativ13 [48]
2 years ago
15

Factor 7n^2 - 29n - 30​

Mathematics
1 answer:
BaLLatris [955]2 years ago
5 0
Answer: (7n + 6) • (n - 5)

Explanation:

1.) Rewrite the expression.
7n^2 + 6n - 35n - 30

2.) Factor the expression.
n • (7n + 6) - 5(7n + 6)

3.) Factor out 7n + 6 from the expression.
(7n + 6) • (n - 5)
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olchik [2.2K]

Answer:

4.5

Step-by-step explanation:

1/2 times base times height

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1/2(3)(3)

=4.5

6 0
3 years ago
Find the missing side lengths​
Alik [6]
For this triangle in particular, we can use the special rules of a 30-60-90 triangle

This says:
The opposite side of 30° is: x
The opposite side of 60° is: x * sqrt(3)
The opposite side of the 90° is: 2x

We have our side length for 90° so we just have to work backwards
To find our 30° side length we must divide by 2
8/2 = 4
Which means your y = 4

Now that we have our 30° side length we can just multiple it by sqrt(3)

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6 0
3 years ago
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Solve easy equation (for points) 8+x+15=20
Andru [333]

Answer:

x= -3

Step-by-step explanation:

You're Welcome :)

7 0
3 years ago
The ratio of oranges to apples in Helen's basket is 4:3. The basket has 12 apples in it. How many oranges are in the basket?
frez [133]

Answer:

16 oranges

Step-by-step explanation:

The ratio of oranges to apples is 4:3 which means that for every four oranges, there are 3 apples.

Since there are 12 apples in the basket, to find the number of oranges, set up a ratio.

4/3 = x/12 (x represents the number of oranges)

Cross multiply.

48 = 3x

Divide by 3.

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There are 16 oranges in the basket.

Hope that helps.

3 0
3 years ago
How do you do this and what’s the answer to this I been stuck on this question for litterly 20 mins
Vsevolod [243]

\bf T=2\pi \sqrt{\cfrac{L}{g}}\implies \stackrel{\textit{squaring both sides}}{(T)^2=\left( 2\pi \sqrt{\cfrac{L}{g}}\ \right)^2}\implies T^2=2^2\pi^2\sqrt{\left( \cfrac{L}{g} \right)^2} \\\\\\ T^2=4\pi^2\cfrac{L}{g}\implies T^2=\cfrac{4\pi^2L}{g}\implies gT^2=4\pi^2L\implies g=\cfrac{4\pi^2L}{T^2}

6 0
3 years ago
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