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mojhsa [17]
3 years ago
10

Sasha is becoming a stronger runner. Last year she ran five miles in 50 minutes. This year hertimi

Mathematics
1 answer:
Fofino [41]3 years ago
7 0

Answer:

40 minutes

Step-by-step explanation:

50 x (1 - 0.2) = 40

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Can anyone help with this probelm???
patriot [66]

We need to look at 2 similar triangles

1) big one: legs - a,b, and hypotenuse - c

2)small one: legs - h,s, and hypotenuse - b.


Corresponding sides:

hypotenuse - c and hypotenuse - b,

big leg - b and big leg - s,

small leg - a, and small leg h.


?(/b(big leg, big triangle)= b(hypotenuse, small triangle )/s (big leg, small triangle)


? should be hypotenuse of the big triangle, c.


Answer is second one c.

8 0
3 years ago
Jonathan has a bag that co rains exactly one red marble (r), one yellow marble (y) and one green marble (g). He chooses a marble
liraira [26]

Answer: The first outcome shall be 0.33 or 33%.

The second outcome would be 0.5 or 50%

Step-by-step explanation: The bag contains exactly one yellow, one red and one green marble. So when he draws the first marble the sample space shall be the total possible outcomes, which is three, since he has three (3) marbles altogether. When he draws the first time without looking, all three marbles have an equal probability of being picked which can be derived thus;

P(Red) = Number of required possibilities/Number of all possibilities

P(Red) = 1/3

P(Red) = 0.33

Note that there is only one marble of each color which means P(Yellow) and P(Green) is also 0.33 respectively.

After choosing the first marble, without replacing the first one he now chooses another marble. The sample size would have reduced to 2 (since one marble has been drawn). Hence, the outcome when he draw a second marble can be calculated as follows;

P(Red) = Number of required outcomes/Number of possible outcomes

P(Red) = 1/2

P(Red) = 0.5

6 0
3 years ago
"if i purchase this product for $79.99 and two accessories for $9.99 and $7.00, how much would i owe after the 8.75% tax is appl
CaHeK987 [17]

Answer:$96.98

Step-by-step explanation: all you just do is to add it all up to the total amount.

6 0
1 year ago
Match the solution set given in inequality with the best solution set given in interval notation
zimovet [89]

There you go

I hope this help you

7 0
2 years ago
29 plus x Equals 90 im a lil smart so ntm
solniwko [45]

29 + x = 90 \\ x = 61

5 0
3 years ago
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