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Goryan [66]
3 years ago
5

Evaluate rs+14s when r=6 and s=1/4

Mathematics
1 answer:
zlopas [31]3 years ago
8 0
First Plug it in
6(1/4)+14(1/4)
Then solve
1.5+3.5
5
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Pleasee help ASAP!! No links pleaseee!!!
Ilya [14]

Given:

The vertices of the rectangle ABCD are A(0,1), B(2,4), C(6,0), D(4,-3).

To find:

The area of the rectangle.

Solution:

Distance formula:

D=\sqrt{(x_2-x_1)^2+(y_2-y_1)^2}

Using the distance formula, we get

AB=\sqrt{(2-0)^2+(4-1)^2}

AB=\sqrt{(2)^2+(3)^2}

AB=\sqrt{4+9}

AB=\sqrt{13}

Similarly,

BC=\sqrt{(6-2)^2+(0-4)^2}

BC=\sqrt{(4)^2+(-4)^2}

BC=\sqrt{16+16}

BC=\sqrt{32}

BC=4\sqrt{2}

Now, the length of the rectangle is AB=\sqrt{13} and the width of the rectangle is BC=4\sqrt{2}. So, the area of the rectangle is:

A=length \times width

A=\sqrt{13}\times 4\sqrt{2}

A=4\sqrt{26}

A\approx 20

Therefore, the area of the rectangle is 20 square units.

3 0
3 years ago
Write an algebraic expression for " the minimum value of 2x + 1 is 13"
bezimeni [28]
2x+1=13    x=6    so an ok answer would be: 2x+10=40   x=15
6 0
3 years ago
If gas is $2.45 and you pay $ 12.00 how many gallons of gas do you get ?
attashe74 [19]
Gas is 2.45 per gallon.  So if we pay $12 we get 12÷2.45 gallons:

12 ÷ 2.45 ≈ 4.90 gallons.

You get roughly 4.90 gallons.
6 0
3 years ago
Read 2 more answers
PLEASE HELP, algebra 1
maxonik [38]
The equation for the quadratic variation is:
y = kx^2
Plug in x and y values to solve for 'k'
32 = k(2^2)
32 = 4k
k = 32/4 = 8
4 0
3 years ago
What is the difference between 3/7, and 1/14
Fofino [41]
5/14 is the difference between 3/7 and 1/14.
4 0
3 years ago
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