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Snezhnost [94]
3 years ago
7

Jessie has been training for a half-marathon. Jesse trains on a track where each lap is 1/4 of a mile. If Jesse ran 3 1/7 miles,

how many laps did she run?
Mathematics
2 answers:
romanna [79]3 years ago
7 0

Answer:

88/7miles or 12 4/7

Step-by-step explanation:

divide 3 1/7 by 1/4

NISA [10]3 years ago
4 0

Answer:

14.2

Step-by-step explanation:

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Triangle QRS is reflected over y = 2. What are the coordinates of Q'?
Levart [38]

Answer:

(1,6)

Step-by-step explanation:

In order to reflect a point over a horizontal line, you need to count how many units it takes to reach that line (going vertically). Once you have that number, count that many units starting from that point on the line (again, going vertically), then that is your reflected point.

Counting from point Q to the line y = 2, it takes 4 units. So starting from that point on the line where I left off, I would count another 4 units, taking me to (1,6). The picture below explains it better visually.

7 0
3 years ago
At a fabric store, fabrics are sold by the yard. A dressmaker spent $36.35 on 4.25 yards of silk and cotton fabrics for a dress.
rewona [7]

Answer:

Answer:

Silk = x = 1.5 yards

Cotton = y = 2.75 yards

Step-by-step explanation:

x + y = 4.25

16.90x + 4y = 36.35

1. The solution to the equation represent number of yards of silk and number of yards of cotton bought.

2.

x + y = 4.25 (1)

16.90x + 4y = 36.35 (2)

Multiply (1) by 4

4x + 4y = 17 (3)

16.90x + 4y = 36.35 (2)

Subtract (3) from (2)

16.90x - 4x = 36.35 - 17

12.90x = 19.35

Divide both sides by 12.90

x = 19.35 / 12.90

= 1.5

x = 1.5 yards

Substitute x = 1.5 yards into (1)

x + y = 4.25

1.5 + y = 4.25

y = 4.25 - 1.5

= 2.75

y = 2.75 yards

Silk = x = 1.5 yards

Cotton = y = 2.75 yards

Step-by-step explanation:

7 0
3 years ago
HELPPP ASAPPP<br> What is the slope of the line?
Hatshy [7]
The slope is 2 because if you put the change in y over the change in x you get 2/1 and the 1 on the bottom don’t make a difference so it’s just 2
4 0
3 years ago
You toss 3 fair coins in the air at once.
MAVERICK [17]
The probability of a head or tail upon flipping is 50-50. THe asnwers are as followsL
a. {HHH, HHT, HTT, TTT, TTH, THH, HTH, THT}b and c.  p = 3C3 * 0.5^3 = 0.125d. from a, p = 3/8 = 0.375e. from a, p = 3/8 = 0.375f. 0.875
5 0
4 years ago
the world's tallest mountain, if measured from base to peak, is Mauna Kea in Hawaii. The base has an elevation of -19680 feet. T
saveliy_v [14]

Answer:

33476 feet tall

Step-by-step explanation:

If we add the elivation of the base and the peak together we get 33476

3 0
3 years ago
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