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2 years ago

Find the GCF -48^2b^2-56a^3-56a^5b

Mathematics

2 answers:

Temka [501]2 years ago

8 0

Answer:

7.1, this is an answer i found online.

Mumz [18]2 years ago

7 0

Answer:

i dont know the answer sorry

Step-by-step explanation:

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10^2+12^2+14^2+......+26^2=??

Kazeer [188]

Answer:

3156

Step-by-step explanation:

Used formula:
(1² + 2² + 3² + ... + n²) =1/6*n(n + 1)(2n + 1)

--------

10²+12²+14²+......+26² =
(2*5)²+(2*6)² + (2*7)² + ... + (2*13)² =
4*(5²+6²+7²+...+13²) =
4*(1²+2²+...+13² - (1²+2²+3²+4²)) =
4*(1/6*13(13+1)(2*13+1) - (1+4+9+16)) =
4*(1/6*13*14*27- 30) =
4*(819 - 30) =
4*789 =
3156

3 0

3 years ago

Answer these questions GEOMETRY

pickupchik [31]

7. 3/5 = 4.5/x

3x= 5(4.5)

x = 15/2

8. 6/4 = 9/x

6x= 45

x= 15/2

8. since triangle ABC and ADE are identical,

angle E is also 30 degrees

so angle D = 180-(30+70)=80 degrees

9. 9/3 = x/5

3x = 45

x = 45/3 = 15

8 0

3 years ago

What is BC ? Enter your answer in the box.

stiks02 [169]

Mathematically it would be 8 since BE=CE and CE=4.

5 0

3 years ago

Trade barriers discourage consumers from buying imported goods because barriers can __________. A. make imports much more common

Trava [24]

Answer:

Step-by-step explanation:

5 0

3 years ago

Do the results support or contradict the common belief that the mean body temperature is 98.6degreesF? A. The results contradic

nata0808 [166]

Answer:

A. The results contradict the belief that the mean body temperature is 98.6 °F because both the mean and the median are less than 98.6 °F.

Step-by-step explanation:

Assume the temperature data were those in the table below.

You would have calculated that

Mean = 97.9 °F

Median = 97.9 °F

These observations contradict the belief that the mean body temperature is 98.6 °F.

A 2017 study found the mean oral temperature of more than 35 000 British patients was 97.9 °F.

7 0

3 years ago