2 years ago

A 9-kg of mangoes for 12$_____per kg

1 answer:

5 0

If 9kg costs 12$, then a single kg costs around 1.3$

This is done with a simple proportion

9 : 12 = 1 : X
x = 12/9
x = 1.33

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posledela

Answer: 113

Step-by-step explanation:

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2 years ago

The slope of line m is 7/8. If n⊥m, what is the slope of line n?

lys-0071 [83]

$k:y=m_1x+b\\l:y=m_2x+c\\\\l\ \perp\ k\iff m_1m_2=-1$
We have:
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Substitute:
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3 years ago

Let f(x) = 8x - 7. What is (4)? A.39 B.25 C.32 D.36

Allushta [10]

The correct answer would be b.25

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2 years ago

Write the equation of the line with the given slope and y-intercept. slope = 1 2 y-intercept = 7 A) y = 7x + 1 2 B) y = 1 2 x +

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B. y=12x+7

Explanation

The slope is 12; slope=m
The yint is 7; yint=b

The equation of a line is set up as so

y=mx+b

Now we just need to replace the variables with the numbers

y=12x+7

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