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horsena [70]
4 years ago
9

From the set {7, 9, 36), use substitution to determine which value of x makes the inequality true..

Mathematics
1 answer:
masha68 [24]4 years ago
7 0

Answer:

B.7

Step-by-step explanation:

This one is pretty simple, just insert each number to find which one is true.

2(7)<18

14< 18 (true)

2(9) < 18

18< 18 (false because it said less than not less than or equal to)

2(36) < 18

72< 18 (false)

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Find the x- and y- intercepts of the line with the equation 3x+4y=-12
masya89 [10]
3x + 4y = -12

X - Intercept:    3x + 4y = -12
                      3x + 4(0) = -12
                           3x + 0 = -12
                                 3x = -12
                                  3       3
                                   x = -4
                             (x, y) = (-4, 0)

Y - Intercept:   3x + 4y = 12
                     3(0) + 4y = 12
                         0 + 4y = 12
                               4y = 12
                                4      4
                                 y = 3
                           (x, y) = (0, 3)
8 0
3 years ago
And Matthew ran a lemonade stand on Saturday they agreed that Matthew would get 60% of the profit because a lemonade stand was h
VladimirAG [237]

Matthew makes $15 money .

<u>Step-by-step explanation</u>:

  • Total profit = $25
  • Matthew gets 60% of the profit.

Therefore, the Matthew would get 60% of 25.

⇒ (60/100)\times25

⇒ 0.6\times25

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3 years ago
Ava estimates that 475 songs will fit on her iPad. The actual amount of songs that fit is 350. Find her percent of error.
alukav5142 [94]

Given:

Ava estimates that 475 songs will fit on her iPad.

The actual amount of songs that fit is 350.

To find:

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Solution:

We know that,

\text{Percent error}=\dfrac{\text{Estimated values - Actual value}}{\text{Actual value}}\times 100

Putting the given values, we get

\text{Percent error}=\dfrac{475-350}{350}\times 100

\text{Percent error}=\dfrac{125}{350}\times 100

\text{Percent error}=\dfrac{250}{7}

\text{Percent error}\approx 35.71\%

Therefore, the percent of error is 35.71%.

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densk [106]
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mote1985 [20]

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