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2 years ago

8 divded by 2 (2+2)= ?

Mathematics

1 answer:

Lostsunrise [7]2 years ago

4 0

Answer:

Step-by-step explanation:

8 / 2 (2+2)

8/2(4)

4(4)

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Rich measured the height of a desk to be 80.7 cm. The actual height of the desk is 80 cm. What is Rich's percent error in this c

Hitman42 [59]

Answer:

0.9%

Step-by-step explanation:

We have been given that Rich measured the height of a desk to be 80.7 cm. The actual height of the desk is 80 cm.

We will use percentage error formula to solve our given problem.

$\text{Percentage error}=\frac{\text{Experimental value-Actual value }}{\text{Actual actual}}\times 100$

$\text{Percentage error}=\frac{80.7-80}{80}\times 100$

$\text{Percentage error}=\frac{0.7}{80}\times 100$

$\text{Percentage error}=0.00875\times 100$

$\text{Percentage error}=0.875\approx 0.9$

Therefore, Rich's percent error in calculation is 0.9%.

5 0

3 years ago

PLS HELP ME ASAP I AM TIMED explain ur asnwer DONT GUESS THATS REALLY IMMATURE AND RUDE

Sav [38]

The answer is D

See attached picture:

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2 years ago

ake and Nico both measured their thumbs. Jake’s thumb is 55 millimeters long. Nico’s thumb is 5.7 centimeters long. Who has the

qaws [65]

Answer:

Nico

Step-by-step explanation:

We have to convert both to the same units! Think about the units: we have millimeters and centimeters. There are 10 millimeters in a centimeter, so

55 mm = 5.5 cm

We just had to move the decimal point!

Now compare the two measurements in cm. 5.5 and 5.7: which is greater? Look at the tenths place: 5<7, so 5.7 is greater and Nico’s thumb is longer!

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2 years ago

Precalculus question, image attached.

natta225 [31]

Answer:

g(x)= x+1

Step-by-step explanation:

$h(x)= (fog)(x)= f(g(x))$

Given $f(x)= \sqrt[3]{x+2}$ , $f(x)= \sqrt[3]{x+3}$

$f(g(x))= \sqrt[3]{x+3}$

$f(x)= \sqrt[3]{x+2}$

Replace x with g(x)

$f(g(x))= \sqrt[3]{g(x)+2}$

Now we need to find out what we plug in for g(X) to get x+3 under the radical

g(x) +2 is under the radical. we need x+3 , so we replace g(x) with x+`

So g(x)+2 becomes x+1+2 is x+3

Hence g(x) is x+1

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3 years ago

Simplify the expression using the laws of exponents

djyliett [7]

The answer would be D
this is because negative exponents end up going on the other side of the fraction. additionally, the 36 and 15 can be simplified by dividing them both by 3

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3 years ago