3 years ago

Blank divided by 5 minus 7 equal 4

Mathematics

2 answers:

Vera_Pavlovna [14]3 years ago

3 0

55/5 = 11

11 - 7 = 4

Answer: 55

grandymaker [24]3 years ago

3 0

I did it in equation form and got the answer 55 for x

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3 years ago

Solving 8 problems per minute, Fast Finn can finish his test in time. He was however, working faster, solving 10 problems per mi

mrs_skeptik [129]

Answer:

Number of problems = 240

Step-by-step explanation:

Let x be the number of questions and t be the time.

Given:

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Fast Finn rate = 10 problems per minute

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We need to find the number of problems on the test paper.

Solution:

Average rate to solve test paper.

$Average\ rate =\frac{Number\ of\ questions}{time}$

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Fast Finn rate to solve the test paper.

$Average\ rate =\frac{Number\ of\ questions}{time}$

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Using cross multiplication rule.

$x=10(t-6)$

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substitute $t =\frac{x}{8}$ from equation 1.

$x=10(\frac{x}{8}) -60$

Rearrange the equation as:

$x - \frac{5}{4}x = -60$

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Using cross multiplication rule.

$x = 60\times 4$

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4 years ago

Which of the point-slope equations below is correct for the line that passes through points (-4,-4) and (1,3)? Check all that ap

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Correct answer is E.

$(-4,-4) \Rightarrow x_1=-4,y_1=-4
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\\
\\y-y_1= \frac{y_2-y_1}{x_2-x_1} (x-x_1)
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\\ y-(-4)= \frac{3-(-4)}{1-(-4)} (x-(-4))
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\\
\\y+4= \frac{7}{5}(x+4)$

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Answer:

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