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Reptile [31]
3 years ago
6

Last month, Rhonda earned $3200. Of that amount, she spent $1350 on rent. What percent of her income went to rent, to the neares

t tenth of a percent?
Mathematics
1 answer:
Reika [66]3 years ago
6 0
Divide 1350 by 3200.

1350 ÷ 3200 = 0.422

42.2% of her income went to rent. 
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Can someone help me with this please ?
d1i1m1o1n [39]

If the triangle is a right triangle, then

       (3x)² + x² = (10)² .

         9x² + x² = 100

             10x²  = 100

                 x²  =  10

                 x  =  √10  =  approx. 3.1622...

If ' x ' is <em>anything less than √10</em> , then the short sides are too short
to make a right angle at the top, and the angle where they meet
is obtuse.

' x ' has to be greater than  2.5 ... otherwise the two short sides
can't stretch far enough to reach both ends of the long side (10) .

So, if    2.5  <  x  <  √10 , then there is a triangle, and it's obtuse.


6 0
3 years ago
The diameter of cold virus cell is about 3x10-9 meter,and the diameter of a streptoccus bacterium cell is about 9x10-7 meter. Wh
Archy [21]

Here we need to compare the orders of magnitude of two measures.

We will see that the bacteria is<em> 300 times larger than the virus.</em>

We know that:

The diameter of the virus-cell is:

D_v = 3 \cdot 10^{-9} m

The diameter of the bacteria cell is:

D_b = 9 \cdot 10^{-7} m

So, to compare them, first notice that both are in the same units, meters, so we only need to <u>compare the numbers</u>.

Is common sense to identify the one with the largest exponent as the largest number, and the largest exponent is -7, thus <u>the bacteria should be the larger one.</u>

But let's prove this with math, remember the property:

\frac{a^n}{a^m} = a^{n - m}

Let's take the quotient between the diameters and see what we get, I will use the <u>diameter of the bacteria in the numerator</u>, thus <u>if the quotient is larger than 1, it would mean that the bacteria is greater and by how much.</u>

quotient = \frac{ 9 \cdot 10^{-7} m}{ 3 \cdot 10^{-9} m}  = \frac{9}{3} \cdot 10^{-7 + 9}\\\\= 3*10^2

So we can say that the bacteria is 3*10^2 = 3*100 = 300 times larger than the virus.

If you want to learn more, you can read:

brainly.com/question/4953281

8 0
2 years ago
Jerry paid $99.30 for 6 shirts.how much did jerry pay for each shirt?
Over [174]

The answer is 16.55

Divide $99.30 by 6 and you get your answer!

I hope this helps :)

5 0
3 years ago
A bank charge 5.25672% annual percentage rate on a home mortgage . What is this number rounded to the nearest tenth ?
Lerok [7]

Answer:

C. 5.3

step by step explanation:

3 0
2 years ago
Read 2 more answers
Help plz with the last questions !!! Thxs
irina1246 [14]

ok but I don't know what it is

3 0
3 years ago
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