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tamaranim1 [39]
4 years ago
14

15 is 0.4% of what number?

Mathematics
2 answers:
777dan777 [17]4 years ago
5 0
<span>15 is 0.4% of what number?
</span>
so, let's say b represents that number. Let's put that in equation form.

b*4%=15 
<span>4%=0.04              <------ decimal form
</span>b*0.04=15            <------ in the equation<span>
15/0.04=b            <------ signs switched
</span><span>
b=375

Hope I helped! please rate me the brainliest!
</span>
Luden [163]4 years ago
5 0
375 is the answer....Give other the brainliest :D
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The circumference of the outside of a ring is 66 mm, and it has an outer diameter of 21 mm. If the circumference of the inside o
scoray [572]

Answer:

Here Bub. (Nice PfP) I got aproximently 16 (15.924).

Step-by-step explanation:

The formula for Circumference if I remeeber right is pi times diameter. Now we can flip the equation to Circumference divided by pi. If pi is the standard pounding of 3.14, you will get 15.9235, almost 16

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3 years ago
Find the distance between (1, 4) and (3, 9). Round the answer to the nearest hundredth.
Romashka [77]
To calculate the distance between these two points, we use the Pythagorean theorem since the two points can form a right triangle when plotted where the hypotenuse would be the distance between these two. We do as follows:

d = √[(x2-x1)^2 + (y2-y1)^2]
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The correct answer is A.
6 0
4 years ago
Victor needs to box 61 laptop computers for a shipment. If he can fit 9 laptops in each box, how many boxes does he need?
just olya [345]

Answer:

he would need 7 boxes

Step-by-step explanation:

61/9= 6 with a remainder of 7 therefore instead of 6 boxes you would need 7 to put the rest of the laptops in

7 0
4 years ago
What is 1.9541 rounded to the nearest thousandth
Marianna [84]

Answer:

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3 years ago
(1+i)^2(x+yi)=4+5i<br> Solve for x and y
faust18 [17]

Answer:

x = 5/2

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Step-by-step explanation:

(1+i)² (x+yi) = 4+5i

(1+2i+i²)(x+yi) = 4+5i

(1+2i-1)(x+yi) = 4+5i

2i(x+yi) = 4+5i

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7 0
2 years ago
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