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rosijanka [135]
3 years ago
9

7EE2 7. In August, Cory begins school shopping for his triplet daughters. One day, he bought 3 packages of socks for $8 each and

3 pairs of shoes for d dollars each. Which pair of expressions represent the total amount Cory spent
Mathematics
1 answer:
NeTakaya3 years ago
4 0

Answer:

3(8) + 3d

24+3d

Step-by-step explanation:

I am not sure which two answer choices you have provided for you but these two expressions work for this problem

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Please help with math question!! Picture attached!
Slav-nsk [51]
A) (1, 1)

A scale factor of 1/3 means you shrink it.
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3 years ago
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Given f (x) = startlayout enlarged left-brace first row 3 startroot 2 x minus 1 endroot, for x less-than-or-equal-to 2 second ro
qwelly [4]

<u>These 2 equations has </u><u>no solution</u><u> and the equations are </u><u>independent</u><u> </u><u>of each other.</u>

What is liner equation with two variable?

  • An equation is said to be linear equation in two variables if it is written in the form of ax + by + c=0, where a, b & c are real numbers and the coefficients of x and y, i.e a and b respectively, are not equal to zero.
  • For example, 10x+4y = 3 and -x+5y = 2 are linear equations in two variables.

-10x² -10y² = -300 ----a

5x² + 5y² = 150 ---- b

While trying to solve this,

We can multiply the eq. b by 2 so we will get eq. c and then add to eq. a we will get 0 as the solution.

10x² + 10y² = 300 ----c

-10x² -10y² = -300 ---a

<u>Everything cutoff, we will </u><u>get 0</u><u>, and there is no solution to these equations.</u>

Learn more about liner equation with two variable brainly.com/question/16933755

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8 0
2 years ago
Simplify the following expression by combining like terms.<br> 3x + 4x² - 7x+ 9x2
EleoNora [17]

Answer:

13x² - 4x

Step-by-step explanation:

3x + 4x² - 7x + 9x² ← collect like terms

= (4x² + 9x² ) + (3x - 7x)

= 13x² + (- 4x)

= 13x² - 4x

7 0
2 years ago
Carrington is paid at the same rate each time he baby sits. The graph shows the rate he is paid for different times.
andreyandreev [35.5K]
The answer is D. 4x7+5=33 8x7+5=61. Hope it helps
5 0
3 years ago
On the scale drawing of a car, the length from bumper to bumper is 6 inches. The car’s actual length, from bumper to bumper, is
dimulka [17.4K]

Answer:

  • 3/8 in/ft
  • 1/32 . . . (pure number, no units)

Step-by-step explanation:

The ratio can be expressed directly as ...

... (6 in)/(16 ft) = 3/8 in/ft

This can be read or used in different ways:

  • 3/8 in = 1 ft
  • 3 in = 8 ft

Or, the units can be made compatible and the ratio expressed as a pure number.

... (1/2 ft)/(16 ft) = (1/32) ft/ft = 1/32

This means whatever measurement is made on the model, the actual vehicle measurement is 32 times that.

4 0
3 years ago
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