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kolbaska11 [484]
3 years ago
6

Tell whether the system has one solution infinitely many solutions or no solution.

Mathematics
2 answers:
hodyreva [135]3 years ago
5 0
B. hope this helps :)
mrs_skeptik [129]3 years ago
4 0

Answer: The answer is A. one solution

Step-by-step explanation:


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A rectangle and a square have the same area. a. The width of the rectangle is w inches. The length of the rectangle is 15 inches
harkovskaia [24]

9514 1404 393

Answer:

  a) w(4w-15)

  b) w²

  c) w(4w -15) = w²

  d) w = 5

  e) 5 by 5

Step-by-step explanation:

a) If w is the width, and the length is 15 less than 4 times the width, then the length is 4w-15. The area is the product of length and width.

  A = w(4w -15)

__

b) If w is the side length, the area of the square is (also) the product of length and width:

  A = w²

__

c) Equating the expressions for area, we have ...

  w(4w -15) = w²

__

d) we can subtract the right side to get ...

  4w² -15w -w² = 0

  3w(w -5) = 0

This has solutions w=0 and w=5. Only the positive solution is sensible in this problem.

The side length of the square is 5 units.

__

e) The rectangle is 5 units wide, and 4(5)-15 = 5 units long.

The rectangle and square have the same width and the same area, so the rectangle must be a square.

4 0
3 years ago
5 gallons 11 quarts divided by 5
bekas [8.4K]
1.55 us gallons.
hope i could help!
Thunderclan89
8 0
3 years ago
Read 2 more answers
Please help me. I am having some trouble on this problem.
anyanavicka [17]

Answer:

Step-by-step explanation:

I don't know if we are supposed to use the numbers from the previous problem. If not, then what ever number you choose will be 7 times the size of the protein. So let's assume that the givens follow question 2.

The amount of protein = x

The amount of carbs = (700/100)*x

proteins + carbs = 100%

x + 7x = 100           Combine the left

8x = 100                 Divide by 8

8x/8 = 100/8

x = 12.5

Protein = 12.5  carbs

Carbs = 7*12.5 = 87.5 grams

So both cereals contain 12.5 grams of proteins and 87.5 grams of carbs.

5 0
3 years ago
Read 2 more answers
levi finds a skateboard that sells 139.99. the store charges 6% sales tax about how much money will he have to spend for his ska
umka21 [38]

The amount Levi spends on this skateboard is $148.39.

Tax is an amount levied on goods and services by the government. Taxes increases the price of goods and services.

The amount Levi spends on this skateboard = value of the tax + cost of the skateboard

value of the tax = 6% x $139.99

0,06 x $139.99 = $8.40

The amount Levi spends on this skateboard = $8.40 + $139.99 = $148.39

To learn more about taxes, please check: brainly.com/question/19540033

8 0
2 years ago
What is the distance between (7,-2) and (3,1)
ale4655 [162]

Answer:

Distance = 5

Step-by-step explanation:

x2 = 3

y2 = 1

x1 = 7

y1 = -2

=> d = Square root of (3 - 7)^2 + (1 + 2)^2

=> d = Square root of (-4)^2 + (3)^2

=> d = Square root of 16 + 9

= d = Square root of 25

d = 5

4 0
3 years ago
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