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Margaret [11]
2 years ago
8

Read the questions and choose the best answer.

Mathematics
1 answer:
Arte-miy333 [17]2 years ago
8 0
Where’s the questions ?
You might be interested in
How do I solve for c​
MrMuchimi

Answer:

c = 13

Step-by-step explanation:

pythogoras theorem

a² + b² = c²

5² = 25

12² = 144

25 + 144<em> </em>= 169

√169 = 13

c = 13

4 0
3 years ago
Read 2 more answers
PLEASE HELP ME I AM FAILING. I WILL GIVE BRAINLIEST
den301095 [7]

Answer:

3.

equation = \sqrt{7^2 + 12^2 } = c

Using:

\sqrt{a^2 + b^2 } = c or a^2 + b^2 = c^2 or

7^2 + 12^2 = c^2

49 + 144 = c^2

c^2 = 193

missing length = 13.9 inches

4. equation = \sqrt{24^2 + 32^2} = c

Using:

\sqrt{a^2 + b^2 } = c or a^2 + b^2 = c^2

24^2 + 32^2 = c^2

reduce to:

8 multiplied by everything:

3^2 + 4^2 = c^2

Since we know 3,4,5 is a Pythagorean triple, we can use this to find c.

Since c must be 5, we multiply by 8 since we divided by 8 earlier to get the 3,4,5 and get 40.

missing length = 40 inches

3 0
3 years ago
The number of CD's sold by Daniel's Discs for the last 6 days are given in the table.
Pavel [41]

Answer:

Mean: 13

SD: \sqrt{10}

Step-by-step explanation:

To find the mean, you have to add up all of them and divide by the number of them. The sum is 30+30+18 or 78, and there are 6 so the mean is 78 / 6 = 13.


To find the standard deviation, we need to first find the distance from them to the mean. These are 2, 3, 3, 3, 5, and 2. Square these values to get 4, 9, 9, 9, 25, and 4. Now we have to take the mean of this, which is 8+27+25=35+25=60, so the mean is 10 and now we take the square root so the SD is \sqrt{10}.

8 0
4 years ago
To visit her grandmother, Jessica takes a horse 3.31 kilometers and a motorcycle 1 kilometer. How many kilometers is Jessica’s j
umka21 [38]

The total distance she travelled 4.1 Km.

<h3>What is unitary method?</h3>

The unitary method is a technique for solving a problem by first finding the value of a single unit, and then finding the necessary value by multiplying the single unit value.

Given:

Jessica takes a horse 3.31 kilometers

Through a motorcycle she travel 1 kilometer.

So, the total distance travelled

=3.31 + 1

=4.31 Km

Hence, the total distance they travelled is 4.31 Km.

Learn more about unitary method here:

brainly.com/question/22056199

#SPJ2

8 0
1 year ago
Read 2 more answers
which of these correctly rearranges the terms in this polynomial so like terms are next to each other ? 3-6x+4x^2+3x-6x^2-4 PLEA
alukav5142 [94]

Answer:

A is the answer

Step-by-step explanation:

8 0
3 years ago
Read 2 more answers
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