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seraphim [82]
3 years ago
8

Ivan used coordinate geometry to prove that quadrilateral EFGH is a square.

Mathematics
1 answer:
Thepotemich [5.8K]3 years ago
5 0

Answer:

this is geometry?

Step-by-step explanation:

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What is the volume of this sphere?
photoshop1234 [79]

Answer:

3052.08

Step-by-step explanation:

We use the volume formula for spheres

\frac{4}{3}πr³

Plug in 9cm for radius and evaluate

\frac{4}{3}π(9)³

\frac{4}{3}π*729

3052.08

6 0
2 years ago
Bianca reads 3/4 of a page of a book each minute. She has 25 pages left to read. How many pages will she read in 5 1/2 minutes?​
Viktor [21]

Answer:

Bianca reads a page of a book in 1 ÷ (3/4) = 1 x (3/4) = 4/3 minutes;

We have 5 1/2 = 11/2 minutes;

She reads (11/2) ÷ (4/3) = (11/2) x (3/4) = 33 /8 = 4 1/8 pages;

Step-by-step explanation:

3 0
3 years ago
The short sides of a rectangle are 2 inches. The long sides of the same rectangle are three less than a certain number of inches
Georgia [21]
So the “certain number” will be S.
Since 2width + 2length, the first part would be 2 times 2 which is 4
The length is S - 3
We then have to multiply this by 2
So it is 2(S-3) which is 2S-6
So the answer is 4+2S-6 which is 2S-2
8 0
3 years ago
6x2 + 4x -8 + 2X2 - 7x + 3
zheka24 [161]

Answer: (x - 1)(8x +5)

Step-by-step explanation:

3 0
2 years ago
HELP OMG HELP IM SO STUCK
tangare [24]

Answer: -1

Step-by-step explanation:

1 - (-3) - 5 = 1 + 3 - 5

Thats because subtracting by a negative number is the same as adding the negative number's absolute value (Distance away from zero).

(1 + 3) - 5 = -1

PEMDAS Addition and Subtraction from left to right.

7 0
3 years ago
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