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Molodets [167]
3 years ago
13

Can somebody help me with math I have 3 more questions OWO:

Mathematics
2 answers:
bazaltina [42]3 years ago
6 0
4. If he had driven for 5 hours the X coordinate would be 1000.
BartSMP [9]3 years ago
6 0

Answer:

hmmm.... It seems to me that (5,1200) would not be on the graph because if you take a look at the other ordered pairs they are even and in this 6 would go to 12, I hope i helped(♡♡ T w T)

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Which of the following is a correct interpretation of the expression 2 + 7?
mr Goodwill [35]

Answer:

(D). The number that is 7 to the right of 2 on the number line​

Step-by-step explanation:

It could also be the number that is 2 to the right of 7 on the number line. When numbers are added, the distances of each to the origin are laid end-to-end from the origin to the right on the number line.

2+7 can mean that the distance 2 is added to the distance 7, or vice versa. (The commutative property of addition says order does not matter.)

6 0
3 years ago
Two airplanes leave an airport at the same time, flying in the same direction. One plane is flying at twice the speed of the oth
olasank [31]

Answer:

One plane has a speed of 450 km/h and the other has a speed of 900 km/h.

Step-by-step explanation:

I am going to say that:

The speed of the first plane is x.

The speed of the second plane is y.

One plane is flying at twice the speed of the other.

I will say that y = 2x. We could also say that x = 2y.

Two airplanes leave an airport at the same time, flying in the same direction

They fly in the same direction, so their relative speed(difference) at the end of each hour is y - x = 2x - x = x.

If after 4 hours they are 1800 km apart, find the speed of each plane

After 1 hour, they will be x km apart. After 4, 1800. So

1 hour - x km apart

4 hours - 1800 km apart

4x = 1800

x = 1800/4

x = 450

2x = 2*450 = 900

One plane has a speed of 450 km/h and the other has a speed of 900 km/h.

3 0
3 years ago
Help plssss I’m trying to finish this diagnostics test
Allushta [10]

Answer: 5 Seconds

Step-by-step explanation: Given the equation of the height expressed ad;

h(t) = - 16t^2 + initial height

Given that initial height = 400feet

h(t) = - 16t^2 + 400

The waste will hit the ground at when h(t) = 0

substitute

0 =  - 16t^2 + 400

16t^2 = 400

t² = 400/16

t² = 25

t = √25

t = 5secs

4 0
3 years ago
(-4, 5) and (8, -1) y intercept​
ozzi

Answer:

what is it that you are looking for tho

Step-by-step explanation:

7 0
3 years ago
Please help me with this
emmasim [6.3K]
The equation is put in slope intercept form which is y=mx+b

The slope is m and in this case it is -1/2.
To find the y intercept substitute in 0
for x then solve.
y =   - \frac{ 1}{2} (0) + 7
y = 7


5 0
3 years ago
Read 2 more answers
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