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Anastasy [175]
3 years ago
5

100 POINTS HELP ME NOW!

Mathematics
1 answer:
vladimir1956 [14]3 years ago
7 0

Answer:

160

Step-by-step explanation:

A rectangular prism's surface area is 2(wl+hl+hw).

2·(10·5+2·5+2·10)=160.

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Joy is planning to purchase a sweater that costs $30 dollars at her local department store. The sweaters are on sale for 20% off
olya-2409 [2.1K]
First you would want to calculate the 20% off the price

20% of $30 is 0.2 x $30 = $6, Then were going to subtract the six dollars  from the sweater witch is 30 dollars. So 30 - 6 = 24

The answer is $24


Hope this helps, Good luck! (:
8 0
3 years ago
Choose scales for the coordinate plane shown so that you can graph points J(2,40), K(3,10), L(3,-40),M(-4,50) and N(-5,-50). exp
Afina-wow [57]

Answer:

The scale of y-axis is  10, and the scale of x-axis is 1.

Step-by-step explanation:

The y-coordinates of points J, K,L,M, and N are divisible by 10, so it would be convenient to scale the y-axis to 10, doing so will result in a graph that does not occupy too much space and is therefore easier to read.

The x-coordinates of points J, K,L,M, and N are integers less than 10. Our graph will be easier to read if we scale the x-axis to 1, because then we get a graph whose x-coordinate is marked such that the x values of the points can be easily related.

3 0
3 years ago
Evaluate abc if a = -2/5 , b = 20/32, and c = -4/10 . Express your answer as a fraction in simplest form. *
Bumek [7]

Remember that when multiplying fractions, we multiply everything on the top and everything on the bottom.

a * b * c

(-2 / 5) * (20 / 32) * (-4 / 10)

(-2 * 20 * -4) / (5 * 32 * 10)

160 / 1600

1 / 10

Correct answer: D. 1/10

Hope this helps!! :)

3 0
3 years ago
Please someone help me with this questions please
Alex Ar [27]

Answer:

where is the rest...........is that all?

7 0
2 years ago
Value of P: 3/15(p+10)=-15
ArbitrLikvidat [17]
<span>Step  1  :</span> 1 Simplify — 5 <span>Equation at the end of step  1  :</span> 1 (— • (p + 10)) - -15 = 0 5 <span>Step  2  :</span><span>Equation at the end of step  2  :</span> (p + 10) ———————— - -15 = 0 5 <span>Step  3  :</span>Rewriting the whole as an Equivalent Fraction :

<span> 3.1 </span>  Subtracting a whole from a fraction 

Rewrite the whole as a fraction using <span> 5 </span> as the denominator :

-15 -15 • 5 -15 = ——— = ——————— 1 5

<span>Equivalent fraction : </span>The fraction thus generated looks different but has the same value as the whole 

<span>Common denominator : </span>The equivalent fraction and the other fraction involved in the calculation share the same denominator

Adding fractions that have a common denominator :

<span> 3.2 </span>      Adding up the two equivalent fractions 
Add the two equivalent fractions which now have a common denominator

Combine the numerators together, put the sum or difference over the common denominator then reduce to lowest terms if possible:

(p+10) - (-15 • 5) p + 85 —————————————————— = —————— 5 5 <span>Equation at the end of step  3  :</span> p + 85 —————— = 0 5 <span>Step  4  :</span>When a fraction equals zero :<span><span> 4.1 </span>   When a fraction equals zero ...</span>

Where a fraction equals zero, its numerator, the part which is above the fraction line, must equal zero.

Now,to get rid of the <span>denominator, </span>Tiger multiplys both sides of the equation by the denominator.

Here's how:

p+85 ———— • 5 = 0 • 5 5

Now, on the left hand side, the <span> 5 </span> cancels out the denominator, while, on the right hand side, zero times anything is still zero.

The equation now takes the shape :
   p+85  = 0

Solving a Single Variable Equation :

<span> 4.2 </span>     Solve  :    p+85 = 0<span> 

 </span>Subtract  85  from both sides of the equation :<span> 
 </span>                     p = -85 

One solution was found :                  <span> p = -85</span>
7 0
3 years ago
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