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butalik [34]
3 years ago
7

Which expression is equivalent to 4x2−(8x−4x2)+5+(4x−10)?

Mathematics
2 answers:
arlik [135]3 years ago
6 0

um none of the above

u see

−4x+11 is the answer

aivan3 [116]3 years ago
4 0
As we look at the question Answer is :12x +15
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Last year during November there was a heatwave. The average daily temperature went from 57°F to 76°F. What was the percent incre
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3 years ago
The height, H,of a cylinder is 5 units less than 3 times the radius, R, which expression expresses the height of the cylinder in
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H = 3r <span>− </span>5
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3 years ago
Graph the inequality 2x + y &gt; 4 and shade the correct solution set.
Tcecarenko [31]

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Step-by-step explanation:

3 0
3 years ago
If x=2k + 1, y=k - 1 is a solution of the equation 2x - 3y + 5=0. find the value of k.​
devlian [24]

Answer:

x = 2k + 1 \\ y = k - 1 \\ given

if u substitute the givens in the eqn we will get..

2(2k + 1) - 2(k - 1) + 5 = 0 \\ 4k + 2 - (2k - 2) + 5 = 0 \\ 4k + 2 - 2k + 2 + 5 = 0 \\

then collect like terms

4k - 2k + 2 + 2 + 5 = 0 \\ 2k + 4 + 5 = 0 \\ 2k + 9 = 0

2k =  - 9 \\ k =  \frac{ - 9}{2}

7 0
3 years ago
Read 2 more answers
The endurance of both track athletes and gymnasts is recorded in terms of maximum volume of oxygen and is measured in milliliter
Olin [163]
The mean of the track athletes is given by
\frac{89.2+45.3+89.1+57.3+61.5+80.1+47.2}{7}=67.1

The mean of the gymnasts is given by
\frac{72.1+78.5+66.2+47.3+63.1+89.3+65.3}{7}=68.8

The difference in mean is given by
68.8-67.1=1.73 (rounded to one decimal place)

4 0
4 years ago
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