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2 years ago

What’s the perimeter of a rectangle with a length of 4.2cm and a width of 2.8cm

Mathematics

1 answer:

STALIN [3.7K]2 years ago

5 0

4.2 + 4.2 + 2.8 + 2.8 = 14

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Trig: Use a half angle formula to find the exact value of the expression?<br><br> cos(5pi/12)

stepladder [879]

I believe that the correct answer would be 0.999739299
5 * 3.14 = 15.7
15.7/12 = 1.308333333
cos(1.308333333)
0.999739299

4 0

3 years ago

Kate runs 2/3 of a mile on Mondays, Wednesday's and Thursdays. She runs 4/5 of a mile on Tuesday and Fridays. How many miles doe

padilas [110]

Answer:

Therefore, we conclute that Kate run 1 mile and 7/15 of a mile for the week.

Step-by-step explanation:

We know that Kate runs 2/3 of a mile on Mondays, Wednesdays and Thursdays. She runs 4/5 of a mile on Tuesday and Fridays. We calculate how many miles does Kate run during the week.

Therefore, we get

$\frac{2}{3}+\frac{4}{5}=\frac{10+12}{15}=\frac{22}{15}=1+\frac{7}{15}$

Therefore, we conclute that Kate run 1 mile and 7/15 of a mile for the week.

8 0

3 years ago

belle put the muffins she baked on six plates, four of which are red and two of which are yellow. the four red plates each have

Sonja [21]

Answer:

36 total muffins

Step-by-step explanation:

5*4=20

8*2=16

20+16=36

3 0

3 years ago

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Which of the following is likely to decrease a consumer's credit score?

dedylja [7]

Opening several new lines of credit

5 0

3 years ago

Which of the following expressions has a value of 26.48?

gulaghasi [49]

Answer:

$26.48=\dfrac{662}{25}$

Step-by-step explanation:

The given expression is 26.48. We need to write the equivalent expression for it. There are two numbers after decimal. It means that we can divide 2648 by 100 i.e.

$26.48=\dfrac{2648}{100}$

We know that, 2648 = 662 × 4 and 100 = 25 × 4

$\dfrac{2648}{100}=\dfrac{662\times 4}{25\times 4}\\\\=\dfrac{662}{25}$

Hence, $26.48=\dfrac{662}{25}$ is the equivalent expression.

3 0

3 years ago