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3 years ago

Is my answer correct? 2 1/4 + 1/4 = 2 1/2

Mathematics

1 answer:

Sholpan [36]3 years ago

8 0

Perfectly correct. Two quarters do make a half :)

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Wrote theses in scientific notation

Veseljchak [2.6K]

Answers:

I can't give you all the answers, because that would be cheating. How ever, I will give you the first 5 answers.

Move the decimal so there is one digit to the left of the decimal point. The places the decimal moved would be the exponent for 10.

3.456*10^2
8.89*10^-3
2.35*10^5
2.35*10^-2
3.015⋅0

7 0

3 years ago

Solve 210 ÷ 30 = ___ using mental math. 7 70 700 7,000

SIZIF [17.4K]

The answer would be 7

4 0

3 years ago

Read 2 more answers

Find the area of the figure A) 114cm B)350cm C)418cm D)447cm

Reika [66]

Answer:

409 is what I got.

Step-by-step explanation:

361 cm, as the square's area

and 48 as the area for the triangle.

Are you sure those are the answer choices because I'm getting 409.

8 0

3 years ago

Read 2 more answers

Select the correct answer. What is the surface area of the victory podium shown here? Include all surfaces of the podium, includ

Leya [2.2K]

Answer:

Option C is correct.

Step-by-step explanation:

Given the dimension of the surfaces i.e length, width and height of podium. we have to calculate the surface area of the victory podium.

As Surface area of cuboid is 2(LW+WH+HL)

In the given figure, the upper cuboid has dimension

L=2.5 ft. , W=1.5 ft, H=1.5 ft

$\text{Surface area=}2(2.5(1.5)+1.5(1.5)+1.5(2.5))=19.5ft^2$

$\text{Area of bottom face of upper cuboid=}L\timesW=2.5\times1.5=3.75ft^2$

The upper face is occuring twice therefore it must be subtracted to find the area

Dimensions of lower podium are

L=7.5 ft. , W=1.5 ft, H=1.5 ft

$\text{Surface area=}2(7.5(1.5)+1.5(1.5)+1.5(7.5))=49.5ft^2$

Now, Surface area of podium included bottom is

19.5+49.5-3.75=65.25 square feet.

Hence, option C is correct.

4 0

3 years ago

twice the sum of a number and 2 is equal to three times the difference of the number and 8. Find the number.

Leto [7]

Answer: x = -22

Step-by-step explanation:

Look at picture!

4 0

3 years ago