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Gnesinka [82]
3 years ago
8

Jaime runs 2/3 of a mile in 1/6 of an hour. What is her unit rate, in miles per hour?

Mathematics
2 answers:
dsp733 years ago
5 0
Best answer is 4 miles
kifflom [539]3 years ago
4 0
1/6 of an hour is 10 minutes, so Jaime runs 2/3 of a mile in 10 minutes. To find how far she runs in 10 minutes, we will multiply 2/3 times 6 to get to the full 60 minutes.

2/3 • 6 = 4, so Jaime runs 4 miles per hour. (C)
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A line with a slope of –2 passes through the point (–4, 8). What is the equation of the slope-intercept form?
zloy xaker [14]

Answer:

y= -2x

Step-by-step explanation:

The equation of a line is usually written in the form of y=mx+c, where m is the gradient and c is the y-intercept.

Given that the slope is -2, m= -2.

subst. m= -2 into the equation:

y= -2x +c

To find the value of c, substitute a coordinate.

When x= -4, y=8,

8= -2(-4) +c

8= 8 +c (expand)

c= 8-8 (-8 on both sides)

c=0 (simplify)

Thus, the equation of the line is y= -2x.

8 0
3 years ago
What expression represents the product of 3 less than twice x and 2 more than the quantity 3 times x?
Georgia [21]
"3 less than twice 'x' " . . . . that's (2x - 3)

" 2 more than the quantity (3 x) " . . . . . that's (3x + 2)

Their product is
                               (2x - 3) (3x + 2) .

If you want to expand it to a single expression, perform the multiplication,
and you have
                            6x² - 5x - 6  .
8 0
3 years ago
What time 30equals 200
Dovator [93]
The answer is 20/3 first you set a variable x and 30x=200 divid both side by 30 and get the final answer
8 0
3 years ago
Read 2 more answers
6( 5-8x) +12= -54
UkoKoshka [18]
<span>6( 5-8x) +12= -54 
30-48x+12=-54 this comes from distributing(multiplying) 6x5 and 6 times -8x
30+12-48x=-54 you have to add the coefficients 30+12
42-48x=-54  
-42        -42 
-----------------------
-48x=-96 divide by -48
x=2</span>
5 0
3 years ago
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Graph the ellipse with equation x^2 /25 + y^2 /4 = 1.
nexus9112 [7]
Center: 0,0
vertex: 5,0
vertex2 (-5,0)
4 0
3 years ago
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