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2 years ago

11

Ellen drove 357.3 miles. For each gallon of gas, the car can travel 21 miles. Select a reasonable estimate of the number of gall

ons of gas Ellen used. Mark all that apply.

1 answer:

alexira [117]2 years ago

3 0

Take 357.3 miles and divide by 21 gal/mile to get a final answer of 17 gallons used during the trip

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Find the length of arc?<br> A 7/3<br> B 3/7<br> C 35/360<br> D 35

Anarel [89]

I honestly need help with this

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3 years ago

Four universities—1, 2, 3, and 4—are participating in a holiday basketball tournament. In the first round, 1 will play 2 and 3 w

myrzilka [38]

Answer:

i. A∪B = (1324,1342,1423,1432,2314,2341,3214,3241,2413,1431,4213,4231)

ii. A¹ = (3124,3142,4123,4132,2314,2341,3214,3241,2413,2431,4213,4231)

Step-by-step explanation:

A union set is the collection of elements in two or more subsets. Here set A is equal to (1324,1342,1423,1432) and set B is equal to (2314,2341,3214,3241,4213,4231,3214,3241).

A∪B = (1324,1342,1423,1432,2314,2341,3214,3241,2413,1431,4213,4231)

ii. the complement of a set represent those elements in the universal set which are not in a given subset.

U = (1324,1342,3124,3142,1423,1432,4123,4132,2314,2341,3214,3241,2413,2431,4213,4231),

A¹ = (3124,3142,4123,4132,2314,2341,3214,3241,2413,2431,4213,4231).this represents elements in the universal set U which are not in the set of A.

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3 years ago

Tom has twice as many marbles as Luke. Together they have 39 marbles. How

Georgia [21]

$x-Luke\ marbles\\\\2x-Tom\ marbles\\\\x+2x=39\\\\3x=39\\\\x=39:3\\\\x=13\\\\2x=2(13)=26\\\\Answer:Tom\ have\ 26\ marbles.$

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3 years ago

Read 2 more answers

How to solve using quadratic equations 4x^2+7x-20=0

MrMuchimi

Answer:

Step-by-step explanation:

Y = Ax2 Bx C

Enter coefficients here >>> 4 7 -20

Standard Form: y = 4x²+7x-20

1.75 0.875 0.765625 3.0625 -23.0625

Grouped Form: No valid Grouping

Graphing Form: y = 4(x+0.88)²-23.06

Factored Form: PRIME

Solution/X-Intercepts: -3.28 AND 1.53

Discriminate =369 is positive, two real solutions

VERTEX: (-0.88,-23.06) Directrix: Y=-23.13

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2 years ago

The organizers of the concert arranged 390 chairs in a row so that there were 18 chairs in the first row and 42 chairs in the la

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Answer:

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Step-by-step explanation:

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