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4 years ago

7

s) Margaret jogs once every 2 days. Her friend Heather swims once every 3 days. lfFor exercise, friends exercise on the same day

they both exercise on the same day, in how many days will the again?

1 answer:

Brilliant_brown [7]4 years ago

6 0

Find the least common multiple,(LCM), that will give you the answer. it is 6.

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2. Solve for x, y, and z

topjm [15]

Answer:

x=90

y=45

z=45

ok but i am not sure at all please confirm

8 0

3 years ago

A right triangle. If AC = 7 and BC = 8, find AB. Leave your answer in simplest radical form.

harkovskaia [24]

We don't know whether those two sides are both legs
of the right triangle, or if BC is the hypotenuse.

If AC and BC are both legs, then

   AB = √ (AC² + BC²)
   = √ (7² + 8²)
   = √ (49 + 64) = √ 113 .

If BC is the hypotenuse of the right triangle, then

   AB = √ (BC² - AC²)
   = √ (8² - 7²)
   = √ (64 - 49) = √ 15 .

8 0

4 years ago

An architect built a scale model of a sports stadium using a scale in which 2 inches represents 30 feet. The height of the sport

Blizzard [7]

Answer:

I believe the answer is C, 12

Step-by-step explanation:

180 ÷ 30 = 6

6 x 2 = 12

3 0

3 years ago

Write an equation for the graph below in terms of x

finlep [7]

Answer:

x = -2

Step-by-step explanation:

the line goes through -2 on the x-axis

the line also goes through -3 on the y-axis

4 0

3 years ago

The lines (m-2)x+y=2 and mx+2y=k intersect at (2,8). Find the values of m and k

Lerok [7]

Step-by-step explanation:

(m - 2)x + y = 2

y = -(m - 2)x + 2

8 = -(m - 2)(2) + 2

6 = -(m - 2)(2)

3 = -(m - 2)

-3 = m - 2

-1 = m

mx + 2y = k

2y = -mx + k

$y = - \frac{1}{2} mx + \frac{k}{2} \\ y = \frac{1}{2} x + \frac{k}{2} \\ 8 = \frac{1}{2} (2) + \frac{k}{2} \\ 7 = \frac{k}{2} \\ 14 = k$

4 0

3 years ago