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Simora [160]
3 years ago
10

Can somebody who has done word problems plz help give the correct equations for each one :DD thanks!

Mathematics
2 answers:
Natasha2012 [34]3 years ago
8 0

Answer:

18. x + 7 = 21

19. x - 55 km = 1000 km

Likurg_2 [28]3 years ago
6 0
18) x + 7 = 21
19) 55 > x = 1000

hopefully this helps :) have a nice day/night and good luck in your class!!
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(HELP ME!!!!!!!!!!!!)
Tomtit [17]

Bob travels within the speed limit.

For Bob to travel within the speed limit, the distance travelled by Bob in 3 hours must be less than the distance travelled gotten from the equation y = 70x.

<h3 /><h3>Maximum distance in 3 hours from the equation</h3>

With x = 3, y = 70(3) = 210 miles.

<h3></h3><h3>Bob's distance in 3 hours</h3>

From the straight line graph, Bob travels, 200 miles in 3 hours.

<h3 /><h3>Conclusion</h3>

Since this distance is less than that gotten from the equation, Bob travels within the speed limit.

So, Bob travels within the speed limit.

Learn more about straight line graphs here:

brainly.com/question/14808962

7 0
2 years ago
Find the area of a triangle with a base length of 3 units and a height of 4 units.
svetlana [45]

Answer:

6 square units

Step-by-step explanation:

The area of a triangle can be calculated by multiplying the triangle's base by its height, and then dividing the result by 2. As an algebraic expression, this would be \frac{bh}{2}, where b is the triangle's base and h is the triangle's height. In this case, we know that b=3 and h=4. Therefore, the area of this triangle is \frac{3*4}{2} =\frac{12}{2} =6 square units. Hope this helps!

6 0
3 years ago
Read 2 more answers
Find the sample standard deviation and the population standard deviation of the data set.
borishaifa [10]

Answer:

now to get your samples on the division all you need to do is let me know what you mean he's actually once you get your me then you subtract you're mean from the values you're giving each of them then you squirt them to get your sample variance then once you get your sample rehearsal you not look for the squirrels which will not give us sample standard deviation so to do your own to do that of population and standard deviation you have to about the formula which is on the have to apply that will give you answers to 4 so I can do the square root so that she can do the square root

4 0
3 years ago
Willing to Mark brainiest!
dmitriy555 [2]

36 = 4*9  = 2*2 *3*3

Choice C

6 0
3 years ago
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Answer Whatever One you want! (Although all would be nice) In return a thanks!!!
sleet_krkn [62]
6-D
8- whatever 107+25=?
8 0
3 years ago
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