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olchik [2.2K]
3 years ago
6

\: \: simplified" alt=" \sqrt{640} \: \: simplified" align="absmiddle" class="latex-formula">
​
Mathematics
2 answers:
Radda [10]3 years ago
8 0

Answer:

8√10

Step-by-step explanation:

√640 = √64*10 = √8²*10 = 8√10

Tanya [424]3 years ago
3 0

Answer:

25 (simplified)

Step-by-step explanation:

the full answer is 25.2982

Hope this helps!

Please mark brainliest if you have the chance!

Stay safe, have a blessed day!!!!  :)

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Find the circumference and the area of a circle with diameter 7 cm.
Ilia_Sergeevich [38]

Answer:

21.98 is the circumference because is it 7 pi 7 times 3.14. For the area though it is 38.48 because you need to get the radius of the circle and you divided 7 by 2 which is 3.5 and here is the work A=πr2=π·3.52≈38.48451

Step-by-step explanation:

Hope this helped and you understood if you want it would help a lot if you put it brainliest.

3 0
3 years ago
HELP ASAP!!! WILL MARK BRAINLIEST!
Levart [38]

Answer:

outlier

Step-by-step explanation:

6 0
3 years ago
Find each percent change. Round to the nearest tenth of a percent. State if it is an increase or decrease. From 79 miles to 84 m
PolarNik [594]

Answer:

the answer is d.

Step-by-step explanation:

first, you want to use the formula,

new value - original value

<u>____________________</u>

         original value              * 100

you see that 84 is the new value and 79 would be the original value. substitute the numbers in. this is a increase since you will get a positive value.

84 - 79

<u>______</u>

   79      * 100

now we solve it.

5

<u>__</u>

79  * 100

you can either solve the fraction first then multiply that by 100 or multiply the numerator by 100 first then divide that by 79, each way works.

500

<u>____</u>

 79   =  approximately 6.3% increase (this is not a exact value, just rounded)

      or

5

<u>__</u>

79  = approximately 0.063 (this is not a exact value, just rounded)

0.063 * 100 = 6.3% increase

7 0
3 years ago
Find the average rate of change for the given function from x = -3 to x = 1.
Alika [10]
Average rate of change from x = -3 to x = 1 is (f(1) - f(-3))/(1 - (-3)) = (5 - (-3))/(1 + 3) = (5 + 3)/4 = 8/4 = 2
3 0
3 years ago
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