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Burka [1]
4 years ago
14

I am struggling how to work this out

Mathematics
1 answer:
mafiozo [28]4 years ago
5 0
It means 2.5m/s multiplied by 2500 to get the total distance in meters
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Miss Crowe best inmates at 6 math problems are completed for every 13.5 minutes they are online about how many problems would be
Soloha48 [4]
All we need to do for this problem is multiply and divide. Let’s find the problems-per-minute!

6/13.5 = 0.44

Now we multiply this by 44 minutes to get the final answer.

0.44 * 44 ≈ 19 [you can’t solve 0.36 of a problem]

And there you have it! The inmates can solve 19 problems in 44 minutes online.
4 0
4 years ago
URGENT!!! Amy, on a jog, runs in a straight line for 3 miles. She then changes direction, heading 50 degrees to the right and ru
Mariana [72]

Answer:

8.2500000000 miles

Step-by-step explanation:

I drew a triangle to illustrate the reference triangle.

So, Amy ran from summit A for 3 miles then turned to her right by 50 degrees (creating angle B of 130 degrees), and runs for another 6 miles.

Based on the Cosines Law, we have:

cos(B) = \frac{c^{2} + a^{2}  - b^{2} }{2 * c * a}

If we isolate b, we have the following formula.

b = \sqrt{a^{2} + c^{2} - 2 * a * c * cos(B) } \\ \\b = \sqrt{6^{2} + 3^{2} - 2 * 6 * 3 * cos(130) } = 8.25

So, as she stops at summit C, she's 8.25 miles away from her starting point.

4 0
3 years ago
Find the height of a square pyramid. The volume is 24x^2 - 20x. The base is (6x - 5)(3x)
erma4kov [3.2K]
The answer is the atombic number is9573
3 0
4 years ago
Please answer this is my last few points
oee [108]

Answer:

first is some and second is all

Step-by-step explanation:

PLEASE GIVE BRAINLIEST!!!!!!!!!!

8 0
3 years ago
Read 2 more answers
The students are doing a fundraiser to help out a friend. They are selling chocolate and cookies for $3 and $2.50 respectively.
jarptica [38.1K]

Answer:

<em>At least 18 chocolates sold to collect $225</em>

Step-by-step explanation:

<em>~ Let's say x ⇒ the number of chocolates, y ⇒ the number of cookies ~</em>

1. We can see that the number of chocolates/ cookies * the cost of chocolates/cookies = the total cost of chocolates/cookies. Provided this, it would be that 3x and 2.5y would represent the cost of chocolates and cookies.

2. It is given that there was $225 sold from chocolates and cookies, so we can say that 3x + 2.5y = 225 from this assumption.

3. That being said it is also known that the cookies were sold to 60 people, so we can assume that 60 cookies were sold out, 1 were person. With this information we can see that 3x ⇒ 3 * 60 = <em>180 ⇒ cost of cookies sold</em>

4. Now we can substitute this value of 3x into the equation 3x + 2.5y = 225, as such: 3x + 2.5y = 225 ⇒ 180 + 2.5y = 225, <em>and now we can solve for y ~</em>

180 + 2.5y = 225,

2.5y = 225 - 180,

2.5y = 45,

y = 45/2.5,

y = <em>At least 18 chocolates sold to collect $225</em>

5 0
3 years ago
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