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ira [324]
3 years ago
7

I just need #7. I have a lot of work to catch up on and need as much help as possible.

Mathematics
1 answer:
Katen [24]3 years ago
5 0

Answer:

I think it is F

Step-by-step explanation:

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For f(x) = -5x + 4, what is the value of x for which f(x) = 20
Andru [333]

Answer:

- 3.2

Step-by-step explanation:

- 5x + 4 = 20

- 5x = 20 - 4

- 5x = 16

x = 16 / - 5

x = - 3.2

4 0
3 years ago
If the length of a rectangle is 5a^2 and the width is 7ab^2 what is the area of the rectangle?
DanielleElmas [232]

Answer:

I think u forgot to put a photo because I really don't understand

Step-by-step explanation:

not sure

8 0
3 years ago
A hot air balloon descends from an altitude of 2,000 feet at a constant rate of 90 feet per minute. The graph shows the altitude
SSSSS [86.1K]
Y=90x+2,000

90 is the rate of change because the hot air balloon descends 90 feet per minute.
And 2,000 is the starting point because the hot air balloon started the descent at 2,000 feet.
3 0
2 years ago
Clare travels at a constant speed, as shown on the double number line
Usimov [2.4K]

Answer:

1. 36 miles

2. 108 miles

3. 234 miles

Step-by-step explanation:

Here we have the Distance in miles, time and calculated speed as follows;

Distance (miles)                  Elapsed time (hours)              Speed (miles/hour)

       0                                        0                                          0

       72                                      2                                          36

       144                                     4                                          36

       216                                     6                                          36

Distance = Speed (miles/hour) × Elapsed Time (hour)

Therefore, in

1. 1 hour, she travels

1 × 36  = 36 miles

2. 3 hours she travels

3 hours × 36 miles/hour = 108 miles

3. 6.5 hours she travels

6.5 hours × 36 miles/hour = 234 miles.

5 0
3 years ago
The distance from the origin to the point ​(-24​, 32​) is
Zepler [3.9K]
The Pythagorean theorem tells you that distance is
.. √((-24)^2 +32^2)) = √(576 +1024) = √1600 = 40
6 0
3 years ago
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