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kotegsom [21]
3 years ago
14

A microwave is placed on top of two boxes. One box is 2 feet and 11 inches tall, the other box is 2 feet and 8 inches tall. And

the microwave is 3 feet 9 inches tall. How tall are they combined?
Mathematics
1 answer:
Viefleur [7K]3 years ago
5 0

Answer:

9 feet and 4 inches I think

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A motorboat can go 16 miles downstream on a river in 20 minutes. It takes 30 minutes for this boat to go back upstream the same
Katyanochek1 [597]

Answer:

A) d = 48t, d in miles, t in hours

B)d = 32t, d in miles, t in hours

C)y = 8 mph

Step-by-step explanation:

16 miles in 20 mins = 48 mph

16 miles in 30 mins = 32 mph

The boat speed is the average = (48 + 32)/2 = 40 mph

The current is the difference = 8 mph

7 0
3 years ago
If the slope of PQ is 2/3 and the slope of QR is-1/2 , find the slope of SR so that PQRS is a parallelogram.
schepotkina [342]
SR is parallel to PQ so has the same slope as PQ, which is 2/3
6 0
3 years ago
Y = 10x + 100
velikii [3]

Answer:

Step-by-step explanation:

10+100=1000

20+100=2000

5 0
3 years ago
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Passing through (-2,-6) and parallel to the line whose equation is y=-3x+4
Licemer1 [7]

Answer:

y = -3x - 12

Step-by-step explanation:

Lines that are parallel have the same gradient.

Therefore using the point (-2,-6) you can make your own equation.

-6 will be y, -2 will be x

All you have to do is find the y-intercept which is C in <em>y</em><em>=</em><em>mx</em><em>+</em><em>c</em>

-6 = -3(-2) + c

-6 = 6 + c

-12 = c

Therefore;

<u>y = -3x - 12</u>

6 0
2 years ago
A sequence is defined recursively by the formula f(n + 1) = f(n) + 3 . The first term of the sequence is –4. What is the next te
Jet001 [13]

Answer:

<h2>-1</h2>

Step-by-step explanation:

f(1)=-4\\\\f(n+1)=f(n)+3-\text{the next term is 3 bigger than the previous one}\\\\f(2)=-4+3=-1

8 0
3 years ago
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