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ryzh [129]
3 years ago
15

Expand the expression -7(k - 3)

Mathematics
1 answer:
Illusion [34]3 years ago
4 0
How can I help you?
−
7

(
k
−
3
)
-
7

(
k
-
3
)
Solve
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Joshua started cycling at 5:15 pm By 8:09 pm, he has covered a distance of 7250 mWhat was Joshua's average speed during that tim
vivado [14]

The average speed of Joshua during that time is 2500 m/h.

Explanation:

It is given that Joshua started cycling at 5:15 pm. By 8:09 pm he has covered a distance of 7250 m.

The total time taken by Joshua from 5:15 pm to 8:09 pm is

2 { h } 54 \text { min }=2 \mathrm{h}+\frac{54}{60} {h}

Dividing we get,

2 { h } 54 \text { min }=2 \mathrm{h}+0.9 {h}

Adding, we have,

2 { h } 54 \text { min }=2.9 {h}

Thus, the total time taken by Joshua is 2.9 {h}

To determine the average speed we use the formula,

speed=\frac{distance}{time}

where distance=7250 and time=2.9

Hence, substituting the values we have,

speed=\frac{7250}{2.9}

Dividing, we get,

speed=2500

Thus, the average speed of Joshua during that time is 2500 m/h.

5 0
3 years ago
Help me please i need help read carefully and answer right plz and show proof or evidence
iragen [17]

Answer:

its b because the answer for y needs to change in order for the x column to be true

6 0
3 years ago
-4 &lt; -2x + 4 &lt;12<br> How do you solve this compound inequality
Lelechka [254]

Answer:

can you explain it more clear? ;)

Step-by-step explanation:

3 0
3 years ago
Solve each absolute value equation and chose The correct answer from the choices provided |x|+5=18
Kamila [148]

Solve the absolute value equation.

First subtract 5 from both sides.

|x|+5=18

|x|=13

If the absolute value of x is 13 that x equals 13 and -13. Absolute value means distance from 0.

x=13,-13

3 0
3 years ago
I need some help please
Nadya [2.5K]

Answer: I: (3, +infinity) D: (-infinity, 3) (this is the fourth answer)

Step-by-step explanation: The graph is decreasing left to right until 3, and begins to increase from left to right beginning at 3.

4 0
3 years ago
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