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Jlenok [28]
3 years ago
10

PLEASE HELP ME!!!!!!!!!

Mathematics
1 answer:
NemiM [27]3 years ago
8 0
The answer is “The speed of a car increases Constantly by 10 miles” and “The radioactivity of a substance decreases by 10 every year” last one is “ The amount of money in an account decreases for a few months and then increases”

Hope that helped! :)
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Write the coordinates of the vertices after a reflection across the x-axis.
Stells [14]

Answer:

S' (-6, 6)

T' (2, 6)

U' (2, 0)

V' (-6, 0)

Step-by-step explanation:

To reflect the rectangle over the x-axis, think of it as flipping it over the x-axis. On the graph, count the units from V to S, it's 6 units. So, from the x-axis, count 6 units up from V. S would lie on -6, 6. Do the same for W to T. T would lie on (2, 6). The remaining coordinates U and V don't change because it is <em>already </em>on the x-axis. <em> </em>

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Proof that ur lying.
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Answer:

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Step-by-step explanation:

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the width of a rectangle is 7 meters greater than its length.If the area of the rectangle is 170 square meters, write the quadra
Anika [276]

Answer:

x^2+7x-170 = 0

Step-by-step explanation:

To calculate an area of a rectangle, use the formula A=l*w. We know the width is 7m greater than the length. So w = 7 + x. So the area is A= (7+x)*x.

We also know the area is 170. Substitute this value for A and solve.

170 = (7+x)(x)\\170 = 7x+x^2\\x^2+7x-170 = 0


4 0
3 years ago
If Mr. O'Brien cuts five lawns per day at $40 each, and he has a goal of making $3500, how many days will it take to reach that
Ede4ka [16]

Answer:

17 days and a half.

Step-by-step explanation:

First, we can find how much money he makes per day cutting lawns. This can be found with the equation:

40 x 5 = 200

He makes $200 a day cutting lawns.

Now we can divide his goal money ($3500) by his daily rate ($200) to get the number of days it will take to reach his goal.

3500 ÷ 200 = 17.5

It will take him 17.5 days to reach his goal.

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3 years ago
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Which expression can be used to find the surface area of the following rectangular prism?
Ivenika [448]

Answer:

B

Step-by-step explanation:

6+6+10+10+15+15

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3 years ago
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