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n200080 [17]
3 years ago
6

Help me please thank u

Mathematics
2 answers:
Flura [38]3 years ago
4 0
X^-10 because when multiplying exponents its like adding the exponents and 2+-12 is -10
Zielflug [23.3K]3 years ago
3 0
When multiplying exponents with alike bases, you add the exponents, so with x^2•x^-12, you would add 2 & -12 to get x^-10
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How much 30% acid solution should be added to 10% acid solution to make 100 mL of a 12% acid solution?
viktelen [127]
20x = 2*100
x = 10 ml (amt of 30% solution needed)
100-x = 90 ml (amt of 10% solution needed)

Very hard but I hope it helps
3 0
3 years ago
Kayla knows that 1/16
Anastasy [175]

Answer:

The quotient is 0. 0625  and the empty boxes in remainder are 4 and 8 respectively

Step-by-step explanation:

Given: \frac{1}{16} or 1 divided by 16

Step 1: dividend is 1 and divisor 16 it is not divisible by 16  so the Quotient is 0 remainder is 1 .

Step 2: taking the decimal point above now dividend is 10 and divisor is 16 so it is again not divisible by 16 so the  quotient is 0.0 and remainder is 10 now bringing next 0 in remainder so the dividend becomes 100.

Step 3: now dividend is 100 and divisor is 16 which is divisible by 16 by 6 times which is 96 so the Quotient becomes 0.06 and remainder becomes 4 now bringing next 0 in remainder so the dividend becomes 40.

Step 4: now dividend is 40 and divisor is 16 which is divisible by 16 by 2 times which is 32 so the Quotient becomes 0.062 and remainder becomes 8 now bringing next 0 in remainder so the dividend becomes 80.

Step 5: now dividend is 80 and divisor is 16 which is divisible by 16 by 5 times which is 80 so the Quotient becomes 0.0625 and remainder becomes 0

5 0
4 years ago
Read 2 more answers
Find the midpoint of the line segment with the given endpoints. 1) (-4, -9), (-6, -6)
weeeeeb [17]

Answer:

The answer is

<h2>( - 5 \: , \:  -  \frac{15}{2} )</h2>

Step-by-step explanation:

The midpoint M of two endpoints of a given line segment can be found by using the formula

<h3>M = ( \frac{x1 + x2}{2}  , \frac{y1 + y2}{2} )</h3>

where

(x1 , y1) and (x2 , y2) are the points

From the question the points are

(-4, -9), (-6, -6)

The midpoint is

<h3>M = ( \frac{ - 4 - 6}{2}  , \:  \frac{ - 9 - 6}{2} ) \\  = ( -  \frac{10}{2} , -  \frac{15}{2} )</h3>

We have the final answer as

<h3>( - 5 \: , \:  -  \frac{15}{2} )</h3>

Hope this helps you

8 0
3 years ago
The scale factor of two similar solids is 6:13 determine the ratio of their corresponding areas and the volume of the larger sol
maksim [4K]
1. If the scale factor is k=6:13, then the ratio of their corresponding area is k^{2}=6^{2} :13^{2} =36:169;
2. \frac{V_{small\ solid}}{V_{big\ solid}} =k^3= \frac{6^{3}}{13^{3}} = \frac{216}{2197}.
6 0
3 years ago
Order these numbers from least to greatest<br><br>1/2,1.1,5/3,2.0,0.4,-2,5/8
disa [49]
First, let's see all that's bigger than 1:

<span>1.1,  5/3,(that's about 1.6)  2.0,

and we order them: </span><span>
<span>1.1,  5/3, 2.0,

then, bigger than 0, smaller than 1:

</span></span><span><span>1/2(=0.5), ,0.4,5/8  (that's about 1.6):

ordering: </span></span>

<span>0.4, 1/2,5/8

And we're left with the one negative number, -2, that's the smallest.
Putting everything together:

-2, </span>0.4, 1/2,5/8 ,<span>1.1,  5/3, 2.0,</span>



8 0
3 years ago
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