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9966 [12]
2 years ago
13

“I think of a number and divide it by 5. The answer is 20.”

Mathematics
2 answers:
muminat2 years ago
7 0

Answer: 100

Step-by-step explanation:

Gala2k [10]2 years ago
7 0

Answer:

100

Step-by-step explanation:

To find out that number we do inverse:

Inverse of divide is multiply:

20 × 5 = 100

This is our answer since:

100 ÷ 5 = 20

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Show work to triangles 2 and 3 explaining why they are right triangles
olganol [36]

Answer:

Step-by-step explanation:

In order for a triangle to be a right triangle, it has to fit into Pythagorean's Theorem:

a^2+b^2=c^2 where c is the hypotenuse.

We need to figure out which is the longest side in each of those triangles and that is the hypotenuse.

In the first set, the sqrt of 443 is 21.04, but that is not the longest side; 24 is. So the Theorem formula for that is:

\sqrt{443}^2+17^2=24^2 which gives us

443 + 289 = 576, but 732 does not equal 576, so that one is not right.

In the second set, the sqrt of 725 is the longest side, so that formula is:

\sqrt{725}^2=14^2+23^2 which gives us

725 = 196 + 529, and 725 does equal 725, so that one is right.

In the third set, the sqrt of 890 is the longest side, so:

\sqrt{890}^2=19^2+23^2, which gives us

890 = 361 + 529, and 890 = 890, so that is a right triangle as well. That's how you know those are right, compared to the first one that is not.

6 0
3 years ago
A six-sided die is rolled 50 times.
grandymaker [24]

Answer:

0.36

Step by-step explanation:

18 appearances of the number 4

------------------------------------------------ = 18/50 = 36/100 = 0.36

                 50 rolls

That experimental probability is 0.36.

3 0
3 years ago
Bradley had 25 baseball cards in his collection. He receives x number of baseball cards for his birthday.
timofeeve [1]

Answer:

25+x=y

Step-by-step explanation:

First, we start as 25, the number of cards he has in his collection. Then we add x, the cards he receive. The sum is y.

6 0
3 years ago
PLEASEE HELPPP !! WILLING TO HELP WITH social studies/history if you can answer
Rashid [163]
The first option is correct (-x)
4 0
3 years ago
Read 2 more answers
3. Jenny puts two wooden blocks together. One block has a length of 5 in., a width of 4 in., and a
Mazyrski [523]

Answer:

140 inches cubed

Step-by-step explanation:

Use the formula V = length * width * height to find the volumes of each block, then add them together to get the combined volume. So, (5 * 4 * 5) + (4 * 5 * 2) = 140 inches cubed, which is the combined volume.

Hopefully this helps- let me know if you have any questions!

3 0
2 years ago
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