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Dovator [93]
3 years ago
10

Try to answer all 4 its probably easy

Mathematics
1 answer:
Ulleksa [173]3 years ago
3 0

Answer:

1. 5/100

2. .05

3. 16/100

4. .16

Step-by-step explanation:

1. For this one all you do is multiply your numerator (1) by 5 from 100/20

2. For the decimal all you do is take your whole number and move the decimal 2 spaces to the left

3. This one you have to multiply your numerator (4) by 4 from 100/25

4. You repeat what you did on number two.

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2=(-3)+5x<br> Solve for x
slega [8]

Answer: x=1

Step-by-step explanation: I don't know how to explain it.

5 0
3 years ago
Read 2 more answers
Express the number in scientific notation. 780,000,000
Aloiza [94]
Scientific notation implies that all the zeros are taken away and replaced with a 10 raised to whatever appropriate power would be necessary to make the number in scientific notation equal to the original number.

In the number 780,000,000, we can see that there are 7 zeros, but the number before the zeros has two digits, so we need to tuck the decimal point in there, because the number has to be between 1 and 10 for math reasons.

7.8 ... but what do we raise it to? We know it has to be 10, but to what power? Well, we just count how many places to the left the decimal point has traveled. From the original number, the decimal point shifted 8 places to the left, so that is the number that we will raise the 10 to.

The final number looks like this:

7.8 * 10^8

780,000,000 in scientific notation is <span>7.8 * 10^8
Hope that helped =)</span>
4 0
4 years ago
Read 2 more answers
PLEASE HELP WITH FINDING AREA
AnnyKZ [126]

When you have an irregular figure, you can divide it so that it becomes multiple normal figures. You already did this in the picture, now you just have to find the area of each shape and then add them all together.

From bottom to top:

A=1/2 (b1+b2)h

A= 1/2 (4+2.24)(2)

A= 6.24

(you have two of these on either side)

A=bh

A=6(4)

A=24

A=1/2 bh

A= 1/2 (4)(4)

A=8

(NOTE: there is an error in your drawing. The height of the triangle cant be determined because the 10 value spans over the entire figure when the wings of the rocket are 4 units long and then the body is 6 units long, making it equal 10 already. I'm assuming that the 10 is supposed to go from the bottom of the rectangle to the top of the triangle)

Total figure= 6.24 + 6.24 + 24 + 8

total figure = 44.48

6 0
3 years ago
The circumstance of a circle is 36pi inches what is the radius for this circle
frez [133]

Circumference = 2pi*r

r = radius

In our problem,

circumference = 36pi

r = ?

Let's plug our values into the formula above.

36pi = 2pi * r

Divide both sides by 2pi

18 = r

4 0
3 years ago
What is the square root of 9800 in simplest radical form?
Mumz [18]
The square root of 9800=

= 70 * square root of 2


4 0
3 years ago
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