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2 years ago

Pls help I will mark brainliest

Mathematics

1 answer:

ser-zykov [4K]2 years ago

5 0

Answer:

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Step-by-step explanation:

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2 years ago

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You are visiting a friend in Coshocton and need to get to Cedar Point in Sandusky. These two cities are 106 miles apart. Using t

Paraphin [41]

Answer:

Step-by-step explanation:

Set-up a proportion with equal ratios.

$\frac{3}{50}=\frac{x}{106}$

Solve for x by cross multiplying.

3*106 = 50*x

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2 years ago

-9x-17=39 solve the equation for x

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Answer:

x = - 56/9 or -6.2

Step-by-step explanation:

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2 years ago

You need a mean of at least 90 points to advance to the next round of the touch-screen trivia. What score in the fifth game will

lianna [129]

Answer:

At least 98 is needed in the 5th game

Step-by-step explanation:

The missing parameters are:

$Game\ 1 = 95$

$Game\ 2 = 91$

$Game\ 3 = 77$

$Game\ 4 =89$

$Mean = 90$ at least

Required

The score in game 5 to make you advance

Mean is calculated as:

$Mean = \frac{\sum x}{n}$

So, we have:

$Mean = \frac{95 + 91 + 77 + 89 + Game\ 5}{5}$

$Mean = \frac{352 + Game\ 5}{5}$

The mean must be at least 90.

So, we have:

$\frac{352 + Game\ 5}{5} \ge 90$

Multiply both sides by 5

$5 * \frac{352 + Game\ 5}{5} \ge 90 * 5$

$352 + Game\ 5 \ge 450$

Make Game 5 the subject

$Game\ 5 \ge450 - 352$

$Game\ 5 \ge 98$

<em>At least 98 is needed in the 5th game</em>

4 0

2 years ago

What is the solution?

monitta

Answer:

(4, 4)

Step-by-step explanation:

y = 7/4 x - 3 graph (0, -3) (2, .5), (4, 4) (8, 11). Draw the line

y = x graph (0,0) (2, 2), (4, 4) , ( -2, -2). Draw the line

The two lines intersect at point (4, 4)

8 0

2 years ago

Pls help I will mark brainliest ​

Pls help I will mark brainliest