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scoray [572]
3 years ago
10

lanette drove 248 miles in 4 hours. at that rate, how many hours will it take her to drive an additional 93 miles.

Mathematics
2 answers:
aleksley [76]3 years ago
7 0
\bf \begin{array}{ccllll}
miles&hours\\
\textendash\textendash\textendash\textendash\textendash\textendash&\textendash\textendash\textendash\textendash\textendash\textendash\\
248&4\\
93&x
\end{array}\implies \cfrac{248}{93}=\cfrac{4}{x}

solve for "x"
jeka943 years ago
3 0

Answer:

1.5 hours

Step-by-step explanation:

the rate is

\frac{248 miles}{ 4 hours} = 62 miles /hour

with that rate ,let´s calculate the time

\frac{Distance}{rate of speed} =time\\time=\frac{93 miles}{\frac{ 62 miles}{hour} } =1.5 hours

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Arte-miy333 [17]

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<em><u>Solution:</u></em>

Given that we have to find the value of "m"

Given expression is:

m + 1\frac{3}{8} = 5

<em><u>Let us first convert the mixed fraction to improper fraction</u></em>

Steps to follow:

Divide the numerator by the denominator.

Write down the whole number answer.

Then write down any remainder above the denominator.

Therefore,

1\frac{3}{8}=\frac{8 \times 1+3}{8} = \frac{8+3}{8} = \frac{11}{8}

Now the expression becomes,

m + \frac{11}{8} = 5

Keep the variable "m" on L.H.S and move the constant to R.H.S

m = 5 - \frac{11}{8}\\\\m = \frac{5 \times 8 -11}{8}\\\\m = \frac{40-11}{8}\\\\m = \frac{29}{8}\\\\\text{In mixed fractions, we can write as }\\\\m = \frac{29}{8} = 3\frac{5}{8}

Thus value of m is equal to 3.625 or \frac{29}{8} \text{ or } 3\frac{5}{8}

3 0
3 years ago
The probability for event A is 0.3, the probability for event B is 0.6, and the probability of events A or B is 0.8. Why are the
Sedaia [141]

Answer:

A.

Step-by-step explanation:

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6 0
2 years ago
What is the slope intercept form of the equation of the line that passes through the points (2,7) and (4,-1)
natka813 [3]

Slope intercept form is y = mx + b.

Y = coordinate y.

M = Slope

X = coordinate x.

B = y-intercept.

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Plug in: (-1 - 7) / (4 - 2) = -4.

We can just insert the pair (2,7) as our x and y to solve b.

7 = -4(2) + b.

Solve for b.

7 = -8 + b.

-b = -8 -7

-b = -15

b = 15.

Original equation:

y = mx + b

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5 0
2 years ago
Read 2 more answers
Solve the following system by graphing x + y - 6= 0 x- y = 0
DochEvi [55]

Answer:

(3,3)

Step-by-step explanation:

x + y - 6= 0

x- y = 0

Add the two equations together

x + y - 6= 0

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-------------------

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Now find y

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7 0
3 years ago
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Solving systems of equations with substitution:<br> y= 2x-4 <br>y= -x+5<br><br>help please!
Furkat [3]
<span>y= 2x-4 
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so

</span><span>2x-4 = -x+5
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y = 2x-4
y =2(3) - 4
y = 6-4
y = 2

answer: (3,2)</span>
4 0
2 years ago
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