Round 38.49 to the nearest whole number

Answers

Answer 1

Answer: 38. The nearest whole number to 38.49 is 38 because at .5 you begin rounding up to the nearest whole number.

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98.6 as a mixed number in simplest form

Answers

Answer:

$(493)/(5)$ would be the answer

Step-by-step explanation:

$98.6 = 98(3)/(5)$

$98(3)/(5)$ after being a mixed number, its simplest form would be $(493)/(5)$

Hope this helps you!

How to divide 4.50 by 18.00

Answers

Data:

price($)__ gallons
x -------------- 1
18.00 ------------ 4.5

Solving: Rule of three (directly proportional)
$(x)/(18.00) = (1)/(4.5)$
multiply cross
$4.5*x = 18.00*1$
$4.5x = 18.00$
$x = (18.00)/(4.5)$
$\boxed{\boxed{x = \$\:4.00}}\end{array}}\qquad\quad\checkmark$

Answer:
The price in dollars per gallon is $ 4.00

The sides of one right triangle are 6, 8 and 10. The sides of another right triangle are 10, 24 and 26. Determine if the triangle are similar. If so, what is the ratio of corresponding sides

Answers

corresponding sides are 6,10 8,24 10,26 now my question is these numbers out side the triangle or in side cuz if so in side u need the out side numbers to determine if is similar or not add the out side numbers then subtract it from 180 to get ur 3rd missing number in the triangle now if there more than 2 triangle wich of (how ever many u got) of triangles find the ones in wich have to the same numbers sooo for example if there's 3 triangles one big one medium and one large find the corresponding sides of the 3 triangles is step one then there should be a missing number in all three triangles add the to first in the triangle then subtract it from 180 to get the missing number then you can determine if the correspond or not then you need to take that outside measures that correspond and put them in the fraction then you will simplify it with the greatest number that can divide the two numbers in the fraction

Dmitri wants to cover the top and sides of the box shown with glass tiles that are 5mm square. How many tiles does he need? ( The length is 15cm, the width is 20cm and the height is 9cm).

Answers

Answer:

372

Step-by-step explanation:

We are given that the dimensions of the box are,

Length = 15 cm, Width = 20 cm and Height = 9 cm.

We know that the box represents a cuboid.

Since, surface area of a cuboid = L×W + 2×L×H + 2×W×H

Thus, the surface area of the box = 15×20 + 2×15×9 + 2×20×9

i.e. Surface area = 300 + 270 + 360

i.e. Surface area = 930.

Thus, the surface area of the box is 930 cm² i.e. 9300 mm².

Further, the sides of the tiles are 5 mm and the tile represents a square.

So, the surface area of the tile = 5 × 5 = 25 mm².

This gives us that,

Number of tiles required to cover the box = $(9300)/(25)$ = 372.

Hence, Dmitri requires 372 tiles to cover the box.

The Surface Area = lw + 2lh + 2wh;
The Surface Area = 15*20 + 2*15*9 + 2*20*9;
The Surface Area = 300 + 270 + 360;
The Surface Area = 570 + 360;
The Surface Area = 930cm^2;
The surface of glass tile is 5 × 5 = 25 cm^2;
Then, 930 ÷ 25 = 37.2;
He need 38 tiles to cover the top and sides of the box shown.

A rhombus has a perimeter of 217cm. How do I find the length of each side?

Answers

since a rhombus has 4 equal sides, you can do 217 ÷ 4 which is 54.25, so each angle is 54.25 cm long.

A rhombus has 4 equal sides,, so divide 217 by 4.

Sally bakes 80 cupcakes for a bake sale. She sold 4 cupcakes and earned $8. How much money can she earn if she sells all the cupcakes.

Answers

4/8 = 1/5 = .50

That means each cupcake equals $0.50.

Now, multiply

80 * .5 = 40

Answer: Sally would earn $40 if she sells all the cupcakes

TO find out how much she would earn for 80 cupcakes we will find the unit rate for the amount she sold and how much she earned. Lets do it:-

8/4 = .50

$0.50 per cupcake

0.50 * 80 = 40

So if she sells 80 cupcakes she will earn $40.

Hope I helped ya!!! xD

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