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Galina-37 [17]
3 years ago
11

Pls help xDDDDD thx!

Mathematics
2 answers:
prohojiy [21]3 years ago
7 0

Answer:

-25

Step-by-step explanation:

MrRissso [65]3 years ago
3 0
-25 is your answer
Tell me if you need an explanation :)
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3a-8a>-20 help I suck at math ​
vazorg [7]

Answer:

Step-by-step explanation:

3a-8a>-20

-5a>-20

a>-20/-5

a>4

5 0
2 years ago
What is the area of the 50ft by 100ft yard?
mario62 [17]

Answer: 4410 ft^2

Step-by-step explanation:

To find the area of a square or rectangle, all you need to do is multiply the length times the width:

L × W = A

The lengh is 100, and the width is 50

100 × 50 = 5000

However, in this problem, we also have other shapes in the rectangle. To find the area of JUST the green, we need to subtract the areas of the two circles and small blue rectangle.

First, let's get the two circles over with. To find the area of a circle, use this formula:

A = πr^2      r is the radius, which in this case, is 6

A = π6^2

A = 113       This isn't the exact answer, the exact answer would be 113.0973...

Now let's multiply the area of one of those circles by 2, since we have 2 circles:

113 × 2 = 226

Finally, we have to find the area of the blue rectangle. This is simple, just use the formula from the very beginning:

26 × 14 = 364

The last thing to do is to subtract the areas of the two circles and blue rectangle from the area of the entire thing:

5000 - (226 + 364) = 4410 ft^2

4 0
3 years ago
Read 2 more answers
Donaldo is trying to figure out the recursive form of the following sequence to understand some of the expenses reported in his
madam [21]

Answer:

a_n=a_{n-1}-9

Step-by-step explanation:

6 0
3 years ago
PLEASE HELP ASAP!!! CORRECT ANSWER ONLY PLEASE!!!<br><br> What is [100(−4)^n-1} equal to?
nikklg [1K]

Answer:   -5100

<u>Step-by-step explanation:</u>

\sum^4_1[100(-4)^{n-1}]\qquad \rightarrow \qquad a_1=100\ \text{and r = -4}\\\\\\S_n=\dfrac{a_1(1-r^n)}{1-r}\\\\\\\\S_4=\dfrac{100(1-(-4)^4)}{1-(-4)}\\\\\\.\quad=\dfrac{100(1-256)}{1+4}\\\\\\.\quad=\dfrac{100(-255)}{5}\\\\.\quad=20(-255)\\\\.\quad=-5100\\

3 0
3 years ago
2. When do national party conventions meet?
kogti [31]

Answer:

Step-by-step In presidential election years. (Every 4 years)

7 0
3 years ago
Read 2 more answers
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