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ikadub [295]
3 years ago
6

When Cheryl goes Mountain climbing she rests five minutes for every 15 minutes that she climbs. If Cheryl combined time is 2 hou

rs how many minutes does she rest
Mathematics
2 answers:
castortr0y [4]3 years ago
7 0
Cheryl would rest for 30 mins in the 2 hour period
laila [671]3 years ago
5 0
40 minutes would be the answer.

120 minutes = 2 hours.

If she rests every 15 minutes, divide 120 by 15 and get 8.
She takes 5 minute rests, so times 5 by the 8, and you get 40.

Hope this helped.
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What is the factorization of the trinomial below?<br> -x2+ x + 42
Greeley [361]

Answer:

-(x + 6)(x - 7)

Step-by-step explanation:

The expression that we have can also be expressed in the following way:

- (x ^ 2 - x - 42)

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8 0
4 years ago
AB has coordinates A(-5,9) and B(7,- 7). Points P, Q, and I are collinear
VMariaS [17]

Answer:

\overline{QT}

Step-by-step explanation:

We want to find the coordinates of a certain point C(x,y) such that C divides A(x_1,y_1) and B(x_2,y_2) in the ratio m:n=3:2

The x-coordinate is given by:

x=\frac{mx_2+nx_1}{m+n}

The y-coordinate is given by:

y=\frac{my_2+ny_1}{m+n}

AB has coordinates A(-5,9) and B(7,- 7)

We substitute the values to get:

x=\frac{3*7+2*-5}{3+2}

x=\frac{21-10}{5}

x=\frac{11}{5}

and

y=\frac{3*-7+2*9}{3+2}

y=\frac{-21+18}{5}

y=-\frac{3}{5}

Therefore C has coordinates  (\frac{11}{5},-\frac{3}{5})

The line segment that contains C is \overline{QT}

See attachment.

6 0
3 years ago
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