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galina1969 [7]
3 years ago
9

Which number sentence below matches this word problem?

Mathematics
2 answers:
dedylja [7]3 years ago
8 0

Answer:  Option 'C' is correct.

Step-by-step explanation:

Since we have given that

Jen and Marcus got 15 miles up river before they ran out of gas. They floated 9 miles back down river before they reached the shore

so, distance they travel before they ran out of gas = 15 miles

distance they floated back down river = 9 miles

So, they are at

15-9\\\\=6\ miles

Hence, They are 6 miles far.

Therefore, Option 'C' is correct.

Naya [18.7K]3 years ago
4 0
15 up, 9 back, so 15-9 = 6.
I'd say C.
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HELP ASAPPPP<br><br><br> please help me
Flauer [41]

Answer:

x=3, y=4

Step-by-step explanation:

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4 0
2 years ago
Find the average rate of change of f(x)=2x^2-7x from x=2 to x=5
m_a_m_a [10]

Answer:

7

Step-by-step explanation:

The average rate of change of f(x) in the close interval [ a, b ] is

\frac{f(b)-f(a)}{b-a}

Here [ a, b ] = [2, 5 ]

f(b) = f(5) = 2(5)² - 7(5) = 50 - 35 = 15

f(a) = f(2) = 2(2)² - 7(2) = 8 - 14 = - 6, thus

average rate of change = \frac{15-(-6)}{5-2} = \frac{21}{3} = 7

3 0
3 years ago
Find the slope of the line passing through the pairs of points and describe the line as rising, falling, horizontal or vertical.
Anna [14]

Answer:

a.\ m=2,\ \text{the line is rising}\\\\b.\ m=-\dfrac{5}{4},\ \text{the line is falling}\\\\c.\ m=0,\ \text{the line is horizontal}\\\\d.\ m\ is\ unde fined,\ \text{the line is vertical}

Step-by-step explanation:

The formula of a slope:

m=\dfrac{y_2-y_1}{x_2-x_1}

If

m > 0, then a line is rising

m < 0, then a line is falling

m = 0, then a line is horizontal

m is undefined, then a line is vertical

<h2>a.</h2>

(2, 1) and (4, 5)

m=\dfrac{5-1}{4-2}=\dfrac{4}{2}=2>0\to\text{rising}

<h2>b.</h2>

(-1, 0) and (3, -5)

m=\dfrac{-5-0}{3-(-1)}=\dfrac{-5}{4}=-\dfrac{5}{4}

<h2>c.</h2>

(2, 1) and (-3, 1)

m=\dfrac{1-1}{-3-2}=\dfrac{0}{-5}=0\to\text{horizontal}

<h2>d.</h2>

(-1, 2) and (-1, -5)

m=\dfrac{-5-2}{-1-(-1))}=\dfrac{-7}{0}\ \text{UNDEFINED}\to\text{vertical}

7 0
3 years ago
Pleaseeeee please help me out.......
SIZIF [17.4K]
The answer is C hope this helps
4 0
3 years ago
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In a pair of complementary angles, the measure of the larger angle is twice that of the smaller
EleoNora [17]

Answer: 60 degrees

Step-by-step explanation:

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2 years ago
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