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3 years ago

5

Freddie ran for 5 days in a row. The line plot shows how much miles he ran each day. how far did he ran in total? Be sure to red

uce your fraction

1 answer:

Blababa [14]3 years ago

7 0

Answer:

8/4

Step-by-step explanation:

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Find the exact roots of x²-2x-10=4x

BARSIC [14]

Answer:

$x = 3 - \sqrt{19} \: \: or \: \: x = 3 + \sqrt{19}$

Step-by-step explanation:

The given equation is

${x}^{2} - 2x - 10 = 4x$

We group the linear terms to get:

${x}^{2} - 2x - 4x - 10 = 0$

${x}^{2} - 6x - 10 = 0$

We compare to

$a {x}^{2} + bx + c = 0$

This means

a=1, b=-6 and c=-10

We plug in the values into the quadratic formula:

$x = \frac{ - b \pm \sqrt{ {b}^{2} - 4ac} }{2a}$

This gives us

$x = \frac{ - -6 \pm \sqrt{ {( - 6)}^{2} - 4 \times 1 \times - 10 } }{2 \times 1}$

$x = \frac{ 6 \pm \sqrt{ 36 + 40 } }{2}$

$x = \frac{ 6 \pm \sqrt{76 } }{2}$

$x = \frac{ - 6 \pm 2\sqrt{19} }{2}$

$x = 3 \pm \sqrt{19}$

The solutions are

$x =3 + \sqrt{19}$

or

$x = 3 - \sqrt{19}$

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3 years ago

John bought 15 cookies and ate 3 of them. he ate % of the cookies

cupoosta [38]

80% of the cookies. You take 15-3=12, 12÷15= .8

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4 years ago

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Which ordered pair would form a proportional retationship with the points in the graph?

shtirl [24]

Answer:

(9, 6)

Step-by-step explanation:

the given points are

(3, 2)

(6, 4)

so, can you see, how the sequence continues ?

I see immediately that for every 3 additional units of x we add 2 units of y.

so, yes, the next point in the sequence is

(6 + 3, 4 + 2) = (9, 6).

so, this point (or ordered pair) follows the same ratio or proportional relationship between x and y as the points already in the graph.

in other words, they are on the same line following the same slope ("y coordinate change / x coordinate change" when going from one point on the line to another).

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2 years ago

Ana and her friends are hiking a trail that is 814 miles long. They want to finish the trail in 3 hours. How many miles must the

Deffense [45]

Answer:

hvkffjbcxdecfvgbhjnredfghjm

Step-by-step explanation:

fgchjbnkkkkk

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3 years ago

Select the correct answer.

Fantom [35]

Answer: I think it is C

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3 years ago

Read 2 more answers