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stealth61 [152]
3 years ago
13

Mario must reduce the use of his home's electricity. His home currently consumes 28 kwh of electricity per day, and Mario must r

educe the use by 25%. Find the amount of electricity that will be used after the reduction in two different ways, using two different scale factors ​
Mathematics
1 answer:
kolbaska11 [484]3 years ago
8 0
I don’t know I think it 2
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Four times the cube of a number is less than the difference between forty and the number. Select the inequality that represents
tigry1 [53]

<u>Answer:</u>

4x^3 < 40 - x

<u>Explanation:</u>

let the number be x, now we are given that four times the cube of a number which means four multiplied by the cube of number

i.e 4 multiplied by x^3 is less than the difference of 40 and the number x i.e 40 - x

x is for sure less than 40 as x^3 is less than the difference between 40 and x so if we write x - 40 then we will obtain negative value which will be greater than x^3.

So, the inequality obtained can be written as 4x^3 < 40 - x

6 0
3 years ago
Read 2 more answers
Is (6, 2) a solution to this system of equations? x + 4y = 14 2x + 4y = 20
uranmaximum [27]
No it’s not because (6,2) would be a no solution so no
3 0
3 years ago
Write the equation of the line in slope intercept form that goes through the point (2,3) and has a slope of -1/2.
elena55 [62]

The answer is y =-1/2x + 3

4 0
4 years ago
A baseball player had 4 hits in 8 games. At this rate, how many hits will the baseball player have in the next 28 games?
balandron [24]

Answer:

the answer should be 14 because he hits a ball everyother game so every other game for 28 is 14

3 0
3 years ago
My mom needs help it's negative exponets it's 5x^-3y^4)^-3 Please explain step by step my mom has the chest sheet
Rufina [12.5K]

Answer:

x^9

----------------

125 y^12

Step-by-step explanation:

(5x^-3 y^4)^-3

We know that (ab)^c can be split into a^  * b^c

5^-3  *x^-3 ^-3*  y^4 ^-3

We also know that a^b^c  = a^ (b*c)

5^-3  *x^(-3 *-3)  *  y^(4 *-3)

5^-3  *x^(9)  *  y^(-12)

We know that negative exponents in the numerator move it to the denominator.  The exponent stays the same except for the negative.

1/5^3  * x^9   * 1/ y^12

We know that 5^3 = 125

Rearranging the order

x^9

----------------

125 y^12

5 0
3 years ago
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