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Inga [223]
3 years ago
15

Explain why the equation 2L + 2W = 4(L - W + 7) is true for the rectangle

Mathematics
2 answers:
guapka [62]3 years ago
7 0
<span> you can find the perimeter of rectangle if you subtract the width from the length, add 7 inches, and multiply the result by 4. b.Explain the equation 2L +2w=4(L-w+7)</span>
nikklg [1K]3 years ago
6 0
P = 2W +2L step is keep 2L in one side of equation , and move every thing else to the other side. In moving any quantity from one side to other, change the sign. ( equivalent of adding or subtracting equal                                                                                                  quantity from both sides of equation). 2L = P - 2W divide both sides by 2:  L = p/2 - w  Step is the same as solving  X in equation of  8 = 2X + 16 2X = 8 -16 = 8   X =4 . But, here you solve one variable in terms of other variables. <span>9/9/2013 </span>| <span>Parviz F.

</span>
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Huh what do you mean??
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3 years ago
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2(h - 8) - h = h - 16
tresset_1 [31]

2(h-8)-h=h-16

2h-16-h=h-16

h=h

h has infinitely many solutions.

5 0
2 years ago
What percent of 5.00 is 0.35?
oksian1 [2.3K]
Let's take the percentage as x

(x / 100) * 5 = 0.35
x / 100 = 0.07
x = 7

therefore the percentage is 7%
8 0
3 years ago
Jana and Tim both sell cleaning products to local housecleaning services. When Jana orders from the manufacturer of the products
evablogger [386]

Answer: Jana and Tim will only spend the same amount on purchase orders to their manufacturers when they each order products with a total purchase value of $100.

Step-by-step explanation:

Jana and Tim would only be incurring same amount when both total purchase is to a value of $100. This is so because by purchasing a goods worth same amount, they both end up incurring $15 dollar additional cost. Jana would spend $15 on shipping her goods, while Tim would pay $4 Handling fees and $11 dollar shipping fee which would also amount to $15. What this means is total spent for both Jana and Tim would amount to $115 each.

4 0
3 years ago
Write the equation of the line that is perpendicular to y=2x-7 and passes through the point (6, 5)
Pani-rosa [81]

Answer:

B

Step-by-step explanation:

we are given a equation of a line

we want to figure out the equation of the perpendicular line passes through the <u>(</u><u>6</u><u>,</u><u>5</u><u>)</u><u> </u>points

in order to do so

recall that,

\displaystyle m_{ \text{perpendicular}} =   - \frac{1}{m}

we got from our given equation that m=2

because equation of a line is y=mx+b

thus

\displaystyle m_{ \text{perpendicular}} =   - \frac{1}{2}

remember that, when we want to figure out perpendicular line or parallel line we should the formula given by

\displaystyle y -  y_{1} = m(x -  x_{1})

since we got our perpendicular m is -½, x_1=6 and y_1=5, substitute

\displaystyle y -  5 =   - \frac{1}{2} (x -  6)

to get the perpendicular equation you should simplify the above equation to y=mx+b form

distribute -½:

\displaystyle y -  5 =   - \frac{1}{2} x  + 3

add 5 to both sides:

\displaystyle y  =   - \frac{1}{2} x  + 8

hence,

our answer choice is B

3 0
3 years ago
Read 2 more answers
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