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gregori [183]
2 years ago
13

isabella has found that she stays the most fit by running variouse dinstances and terrains through out the week. On mondays she

runs 2.5 miles, on tuesdays 4.6 miles, on thursdays 6.75 miles, and on saturdays 4.8 miles. What is the  average distance isabella runs on each of the days that she runs? round to the nearest hunfreth of a mile
Mathematics
1 answer:
exis [7]2 years ago
3 0
Well, to find an average, you must add together all numbers, and divide by the quantity of numbers you have, so for example, in this problem.

You must add 2.5 + 4.6 + 6.75 + 4.8, which will bring you to a total of 18.65

But we're not done just yet, we must follow through with the second and final step in finding the average distance that our friend Isabella runs throughout the week.

So now that you have the total distance, (18.65), we must divide by 4, now, why 4? When finding an average, you must add together the numbers, and divide by however numbers you may have.

So, in that case, 18.65 divided by 4 is <span>4.6625, with the help of long division.</span>

<span>Now, to round to the nearest </span>hundredth<span>, you must estimate every number after 4.66, which is </span>essentially 25, which is 30, and now you have 4.663, now since you can't estimate any further, your answer is 4.663. Hope this helps!<span> </span>
<span /><span>
</span>
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The area enclosed by one shooting circle is 401.92 square yards. Write and solve a formula to find the radius of the shooting ci
Daniel [21]

The formula for area in terms of radius is

... A = πr²

Solving this for r, we get

... A/π = r²

... r = √(A/π) . . . . . formula for the radius

For your given area, the radius is approximately

... r = √(401.92/3.14) = √128 = 8√2

... r ≈ 11.3 . . . yards

7 0
3 years ago
At the city museum, child admission is $5.60 and adult admission is $9.30. On Sunday, 141 tickets were sold for a total sales of
IrinaK [193]

x = child tickets

y = adult tickets

x + y = 141

5.60x + 9.30y = 974.60

y = 141 - x

5.60x + 9.30 ( 141 - x ) = 974.60

5.60x + 1311.3 - 9.30x = 974.60

-3.70x + 1311.3 = 974.60

-3.70x = 974.60 - 1311.3

-3.70x = -336.7

x = 91

91 child tickets were sold that day

5 0
1 year ago
Read 2 more answers
I have an easy and quick question. So the picture shows an answered question but how do you know to divide? I just don't underst
11111nata11111 [884]

Answer:

Ok so u know to divide bc u r trying to isolate the variable and that means undoing the function in this case 0.6 is multiplied to p so u do the opposite which is division

tada

Hope this helps :)

Pls give brainliest XD :)

8 0
3 years ago
Read 2 more answers
PLEASE HELP!!! I'LL MARK AS BRAINLIEST TO THE FIRST PERSON THAT CAN ANSWER!!!
Alisiya [41]
The product of powers property.
5 0
2 years ago
Can you help me in my math work
Ket [755]

The LCM of 18 and 24 using the prime-factorization method is <u>72</u>.

The LCM of 27, 81, and 54, using the division method is <u>162</u>.

In the first question, we are asked to find the LCM of the given numbers using the prime factorization method.

(i) 18, 24.

Prime factorization gives:

18 = 2*3², and 24 = 2³*3.

The LCM is the product of the highest power of each prime factor.

Thus, LCM = 2³*3² = 8*9 = 72.

Thus, the LCM of 18 and 24 using the prime-factorization method is <u>72</u>.

Doing similarly for other sub-parts, The LCM of:

(ii) 16, 40 is 80.

(iii) 30, 36 is 180.

(iv) 28, 44 is 308.

(v) 20, 32 is 160.

(vi) 20, 135 is 540.

(vii) 45, 75 is 225.

(viii) 36, 84 is 252.

(ix) 12, 18, 24 is 72.

(x) 25, 35, 45 is 1575.

(xi) 9, 15, 21 is 315.

(xii) 25, 50, 75 is 150.

In the second question, we are asked to find the LCM of the given numbers, using the division method.

(i) 27, 81, 54.

The division method gives:

\underline{2|27,81,54}\\\underline{3|27,81,27}\\\underline{3|9,27,9}\\\underline {3|3,9,3}\\\underline{3|1,3,1}\\{1|1,1,1}

The LCM is the product of all the numbers used for division.

LCM = 2*3*3*3*3*1 = 162.

Thus, the LCM of 27, 81, and 54, using the division method is <u>162</u>.

Doing similarly for other sub-parts, The LCM of:

(ii) 18, 45, 63 is 630.

(iii) 35, 55, 100 is 7700.

(iv) 210, 140, 315 is 1260.

(v) 112, 120, 150 is 8400.

(vi) 144, 180, 300 is 3600.

Learn more about LCM at

brainly.com/question/420337

#SPJ1

7 0
2 years ago
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