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3 years ago

5 chocolates cost 25$. What will 15 chocolates cost?

Mathematics

1 answer:

serg [7]3 years ago

8 0

It is 90 cents if you round it up on your fingers

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lisov135 [29]

Answer:

d. y=-1; x=7

Step-by-step explanation:

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3 years ago

Express thos number in scientific notaion 0.0008235

tatuchka [14]

8.235 X 10 -4exponent. The exponent is negative because you moved the decimal to the right instead of left :) hope this helps!

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3 years ago

Which point on the number line shows 45 ?

MatroZZZ [7]

Point H shows 45 because 6.7 multiplied by each other equals 45 and 6.7 on the line is point H

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3 years ago

A kitchen measures 3.75 meters by 4.2 meters.

dalvyx [7]

Answer:

a. $A_{(kitchen)}=15.75\ m^2$

b. $A_{(total)}=39.375\ m^2$

Step-by-step explanation:

The formula for calculate the area of a rectangle is:

$A=lw$

Where "l" is the lenght and "w" is the width

a. We know that the kitchen measures 3.75 meters by 4.2 meters; then we can say that:

$l=3.75\ m\\\\w=4.2\ m$

Therefore, substituting these values into the formula, we get that the area of the kitchen is:

$A_{(kitchen)}=(3.75\ m)(4.2\ m)=15.75\ m^2$

b. The area of the living room is one and a half times (1.5 times) that of the kitchen, this is:

$A_{(living)}=(1.5)(15.75\ m)=23.625\ m^2$

Therefore, the total of the living room and the kitchen is:

$A_{(total)}=15.75\ m^2+23.625\ m^2=39.375\ m^2$

3 0

3 years ago

At a school, 177 students play a sport. This is 60% of the students that go to the school. How many students are at the school?

TEA [102]

Answer:

the answer is 205

Step-by-step explanation:

%/100 X is/of 177 IS 60% of the students. so you put 60/100 and multiply 177/X 177X100=17700. Now divide that by 60 and you come up with 28.33. This obviously is not the answer so you add 28 (does not round up to 29) to 177 and you get 205.

7 0

4 years ago