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3 years ago

Jayce travels 30 miles per hour in her car.how many miles does she travel in 4 hours

Mathematics

2 answers:

LekaFEV [45]3 years ago

5 0

Answer:

120 miles

Step-by-step explanation:

30 miles per hour * 4 hours

120 miles

chubhunter [2.5K]3 years ago

5 0

Answer:

She travels <u>120 miles</u> in 4 hours.

Step-by-step explanation:

She travel in 4 hours = 30 miles × 4
= 120 miles

She travels 120 miles in 4 hours

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3 years ago

Can I get help with this

Marta_Voda [28]

Answer:

X = 60

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Step-by-step explanation:

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2 years ago

Write the equation of the line perpendicular to 2x+3y=9 that passes through (-2,5). Write your answer in slope-intercept form. S

Harman [31]

ANSWER

$y = \frac{3}{2} x + 8$

EXPLANATION

The line given to us has equation,

$2x + 3y = 9$

We need to write this equation in the slope intercept form to obtain,

$3y = - 2x + 9$

$\Rightarrow \: y = - \frac{2}{3}x + 3$

The slope of this line is

$m_1 = - \frac{2}{3}$
Let the slope of the perpendicular line be

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Then
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$- \frac{2}{3} m_2= - 1$

This implies that,

$m_2 = - 1 \times - \frac{3}{2}$

$m_2 = \frac{3}{2}$

Let the equation of the perpendicular line be,

$y = mx + b$

We substitute the slope to get,

$y = \frac{3}{2} x + b$

Since this line passes through
$(-2,5)$
it must satisfy its equation.

This means that,

$5= \frac{3}{2} ( - 2)+ b$

$5 = - 3 + b$

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3 years ago

Sarah has 2,500 pictures saved to her camera roll. She wants to free up some space on her phone. She will delete a total of 50 p

weeeeeb [17]

Answer:

x = number of days

y = number of remaining photos saved to her camera roll.

Step-by-step explanation:

Hi, to answer this question we have to write an equation:

The number of pictures saved in the camera roll (2,500) minus the amount of photos that she deletes per day (50) multiplied by the number of days (x) must be equal to the number of photos remaining.

y =2,500- 50x

The variables are x and y.

Where x is the number of days and y is the number of remaining photos.

Feel free to ask for more if needed or if you did not understand something

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3 years ago