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Ivan
2 years ago
6

Questions in pic plz help

Mathematics
2 answers:
lara31 [8.8K]2 years ago
6 0

Answer:

B.

Step-by-step explanation:

noname [10]2 years ago
6 0

Answer:

i think its c

Step-by-step explanation:

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2 movie tickets and 1 popcorn cost $29.4 movie tickets and 4 popcorns cost $68. So how much would 3 movie tickets and 5 popcorns
Arisa [49]

Answer:

3 movie tickets would cost 44.8 5 popcorns would cost 85

Step-by-step explanation:

29.4 divided by 2 equals 14.7

29.4 plus 14.7 equals 44.8

68 divided by 4 17

68 plus 17 equals 85

4 0
3 years ago
I need help with this Maths Homework Question.
Monica [59]

Answer:

1. 41/45.

2. x/(x^2+3x+6)

Step-by-step explanation:

1.

So first we fill the ven diagram.

There are 240 in band, so we fill that. 60 students are in both, we put that in the middle, and there are 110 people in choir.

now, since we want the probability that a student is chosen that is in band, and choir, and both. We add all this up

240 + 60 + 110 = 410.

The total possible outcome is 410, and the total outcome is 450, so the answer is

410/450 = 41/45

2.

First, to get the total outcomes, we have to add all the expressions together.

x(x-2) + x + 2x+8 = x^2 - 2 + x + 2x + 8 = x^2 - 2 + 3x + 8 = x^2 + 3x + 6.

Since that is the total outcome, we have to find the possible outcomes.

The problem wants BOTH from the 20th century and British, so it is x.

x/(x^2+3x+6). We cannot simplify any further, thus x/(x^2+3x+6) is our answer

3 0
2 years ago
a rectangular playground has a preimeter of 180 feet.if the length is 12 feet longer than the width, what are the dimensions of
jeka94
Perimeter = w + w + l + l
180= w+w+w+12+w+12
The dimensions for width are just w and for length it's w+12
4 0
3 years ago
HELP ME PLEASE WHATS RBE X AND Y INTERCEPT
mojhsa [17]
X axis (-40,0)
y axis (0,15)
8 0
3 years ago
On discovering that her family had a 70% risk of heart attack, Erin took a treadmill test to check her own potential of having a
Ghella [55]
The probability of Erin not having a heart attack according to her family history would be 30%.

The probability of the test predicting correctly is 67%.

Therefore, the probability of the test correctly predicting that Erin will not have a heart attack would be (0.30)(0.67) = 0.201 or 20.1%.
8 0
3 years ago
Read 2 more answers
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