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eduard
3 years ago
8

Sid needs 0.70.7 meters of canvas material to make a​ carry-all bag for his wheelchair. if canvas is ​$10.6910.69 per​ meter, ho

w much will sid​ spend?​ (note that ​$10.6910.69 per meter is the same as ​$10.6910.69 for one​ meter.)
Mathematics
1 answer:
Reil [10]3 years ago
7 0

For this case we have the following relationship:

Total cost = (Unit Cost) * (Number of meters)

Therefore, substituting values in the given equation we have:

Total cost = (10.69) * (0.70)

Total cost = $ 7,483

This means that Sid will spend $ 7,483 to do the work.

Answer:

Sid will spend about $ 7,483.

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M2) Chris baked 702 cookies. She sold them in boxes of 18. After selling the boxes, she earned $136.50. What was the cost of one
Kazeer [188]
$3.50


702/18= 39 (so you have 39 boxes of cookies)
$136.50/39= $3.50 (so each box cost 3.5)
3.5 x 39= 136.5
3 0
3 years ago
Find f(-7) if f(x) = 2x + 8.<br>A. -6 B. 2 C. 3 D. 22​
spayn [35]
To find f(-7), just plug -7 in for all x

2(-7) + 8
-14 + 8
-6 is the answer!
7 0
3 years ago
2.03+7.89 estimate Please Help Asap
Oduvanchick [21]
The correct answer is 9.92
6 0
3 years ago
Read 2 more answers
UPS charges $7 for the first pound, and $0.20 for each additional pound. FedEx charges $5 for the first pound and $0.30 for each
grigory [225]

Answer:

1. 20 pounds

2. $11

Step-by-step explanation:

To set this up, you have to use a system of equations. It would look like this, where p is pounds and t is total cost:

UPS: t=7+0.20p

FedEx: t=5+0.30p

In order to solve a system of equations you must either a.) graph it, or b.) set them equal to each other.

If you graph it, the answer is where the two lines intersect.

If you set them equal to each other, solve it.

I will set them equal to each other in this:

7+0.20p=5+0.30p

The first step in a problem like this, where there's the same variable on both sides, is to subtract the smaller variable from both sides. In this case, it is  0.20x. That would turn the equation into:

7=5+0.10p

After that, you must solve it like a regular two-step equation.

Start by subtracting 5 from both sides:

2=0.10p

Now, you must divide both sides by 0.10.

\frac{2}{0.10}=\frac{0.10p}{0.10}

That would give us:

20=p

This means that in order for the prices to be the same, the package must be 20 pounds.

Now in order to find the total cost, you must plug 20 into one of the equations. It doesn't matter which, since they both equal the same. I will plug it into the FedEx equation:

t=5+0.30(20)

Now you can just use a calculator and solve that or do it by hand. Multiply 0.30 by 20, to get 6, then add 5, which equals 11.

You should get: t=11.

This means that the total cost, when the costs are the same for both FedEx and UPS, is $11.

3 0
3 years ago
A table has an area of 12 ft squared and a perimeter of 16 ft. What are the dimensions of the table?
Likurg_2 [28]
P=2x+2y, y=(p-2x)/2

a=xy, using y found above in this equation gives you:

a=(px-2x^2)/2  we are told a=12 and p=16 so

12=(16x-2x^2)/2

24=16x-2x^2

2x^2-16x+24=0

2x^2-12x-4x+24=0

2x(x-6)-4(x-6)=0

(2x-4)(x-6)=0

2(x-2)(x-6)=0

So the table is 2 ft by 6 ft.
7 0
3 years ago
Read 2 more answers
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