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Gnesinka [82]
2 years ago
15

I need help on this question!!!ASAP!!!

Mathematics
2 answers:
FinnZ [79.3K]2 years ago
6 0

Answer:

the brother has a 1/5 chance to be at the front of the line.

Step-by-step explanation:

nirvana33 [79]2 years ago
3 0

Answer: 1 out of 5

Step-by-step explanation: since their are 5 family members

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If you were solving a system of equations and you came to a statement like 4 = 4, what do you know about the solution to the sys
GuDViN [60]
It is infinite solutions.
6 0
3 years ago
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The perimeter of a rectangular field is 60 meters. Its area is 200 square meters. Find its dimensions.
Vanyuwa [196]

Answer:

20 m by 10 m

Step-by-step explanation:

let w be width and l be length , then

2(l + w) = 60 ( divide both sides by 2 )

l + w = 30 ( subtract w from both sides )

l = 30 - w → (1)

lw = 200 → (2)

Substitute l = 30 - w into (2)

w(30 - w) = 200 ← distribute parenthesis on left side

30w - w² = 200 ( subtract 200 from both sides )

30w - w² - 200 = 0 ( multiply through by - 1 )

w² - 30w + 200 = 0 ← in standard form

(w - 10)(w - 20) = 0 ← in factored form

Equate each factor to zero and solve for w

w - 10 = 0 ⇒ w = 10

w - 20 = 0 ⇒ w = 20

Substitute these values into (1)

l = 30 - 10 = 20

l = 30 - 20 = 10

dimensions of field is 20 m by 10 m

4 0
2 years ago
Read 2 more answers
PLEASE HELP!!!!! QUICK PLSSS
GalinKa [24]
83°?
- SS postulate, 2 sides of triangle r equal, meaning 3rd is most likely equal I think.
- so all angles r equal
- all interior angles r congruent. so r exterior

180 - 97 = 83
7 0
1 year ago
A rectangular field is 27 meters long and 18 meters wide. If fencing costs $12 per yard, how much will it cost to enclose the fi
Zina [86]

Answer:

1080 dollars

Step-by-step explanation:

Well you said yards and meters but imma ingore that.

So the perimeter is 27+27+18+18 = 90

90*12= 1080

7 0
3 years ago
Read 2 more answers
Gary ordered 30 pizzas for a party. 60% of the pizzas have 12 slices each. The remaining 40% of the pizzas have 10 slices each.
LekaFEV [45]

Answer:

336 total slices

Step-by-step explanation:

60% of 30 = 18

18 * 12 = 216


40% of 30 = 12

12 * 10 = 120


216 + 120 = 336

4 0
3 years ago
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