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Tasya [4]
3 years ago
7

Jordan bikes 4/3 miles in 1/10 hours. What is his Speed in miles per hour?

Mathematics
1 answer:
Vlad1618 [11]3 years ago
4 0

Answer:

speed=distance / time

speed=(4/3) / (1/10)

speed=13.33miles per hour

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How many pairs of whole numbers have sum of 110
alisha [4.7K]
Because the number is even, then the number of possible combinations will be: 110/2 = 55 let's consider a simpler example, the number: 10, then we have: 10+0, 9+1, 8+2, 7+3, 6+4, which is equal to 10/2 =5 combinations. Note: We are not considering permutations between the elements of the sum therefore 10+0, 0+10 counts as one combination.
7 0
3 years ago
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Theorem: The segment joining the midpoints of two sides of a triangle is parallel to the third side and half its length.
Taya2010 [7]

Answer:

Segment DE is half the length of segment AC. -- Substitution property of equality

Step-by-step explanation:

Here is given a proof for proving line joining mid segment is parallel and half the length of third side.

Stepwise proof is given in two columns

We find that for every line there is a justification as

STatement                                        Justification

D and E coordinates found out       MId point formula

DE and BC are measured                Distance formula

DE=1/2 BC                                          Substitution property of equality

This justification was missing in the given proof and with this included proof would be complete

4 0
3 years ago
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Matthew currently has enough money to buy 45 toy cars. If the cost of each car was 10 cents less, Matthew could buy 5 more cars.
Law Incorporation [45]
The answer is $45

Let's make the system of equations.
x - the cost of the car
y - the amount Matthew has

<span>Matthew currently has enough money to buy 45 toy cars:
y =45x
</span><span>If the cost of each car was 10 cents less, Matthew could buy 5 more cars: 
y = (x - 10)*(45 + 5)

45x = (x - 0.10) * 50
45x = 50x - 5
5 = 50x - 45x
5 = 5x
x = 5 / 5
x = 1

y = 45x = 45 * 1 = $45</span>
5 0
3 years ago
What is the value of the expression? -0.75-(-2/5)+0.4+(-3/4)
bearhunter [10]
-0.75-\left(-\dfrac{2}{5}\right)+0.4+\left(-\dfrac{3}{4}\right)=-0.75+\dfrac{2}{5}+0.4-\dfrac{3}{4}\\\\=-0.75+\dfrac{2\cdot2}{5\cdot2}+0.4-\dfrac{3\cdot25}{4\cdot25}=-0.75+\dfrac{4}{10}+0.4-\dfrac{75}{100}\\\\=-0.75+0.4+0.4-0.75=-(0.75+0.75)+(0.4+0.4)\\\\=-1.5+0.8=-0.7
8 0
3 years ago
PLEASSEE HELP ME. this wasnt showing up on asking questions. will mark brainliest
Elis [28]

SOH CAH TOA

sin(P) = opp./hyp. = 5/13

tan(T) = opp./adj. = 12/5

cos(T) = adj./hyp. = 5/13

8 0
2 years ago
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