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Katen [24]
3 years ago
11

Skyler goes to a school which has 100 students in it. She asks 40 random students whether they like the new 8.30 am start to the

day. 30 of them say no they don’t like it. Use this information to estimate how many students in the whole school dislike the 8.30 am start.
Mathematics
1 answer:
dybincka [34]3 years ago
8 0

Answer:

75 students

Step-by-step explanation:

first write a ratio of the students asked to students dislike

40:30, 40 to 30, or 40/30

now simplify the ratio

4/3

now she asked 40 students, so we have to find out the unit rate

so we have to flip the fraction to 3/4 and then divided the top and bottom by 4

0.75/1

now multiply the top and bottom by 100

75/100

75 students

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You can buy DVDs at a local store for $15.49 each. You can buy them at an online store for $13.99 each plus $6 for shippimg. How
NeTakaya
15.49x = 13.99x + 6
15.49x - 13.99x = 6
1.50x = 6
x = 6 / 1.50
x = 4 <=== u can buy 4 DVD's for the same amount

15.49 * 4 = 61.96
13.99(4) + 6 = 61.96
6 0
3 years ago
Hello, can someone pls help me ty!​
max2010maxim [7]

Answer:

C, 5/2

Step-by-step explanation:

3 I2x -1I + 4 = 16

Isolate absolute value:

3 I2x -1I + 4 - 4 = 16 - 4

3 I2x -1I= 12

(3 I2x -1I) / 3 = 12 / 3

I2x -1I= 4

Since the question is only asking for the positive, all you need to solve for is the +4. Solve for x

2x -1 = 4

2x -1 + 1 = 4 +1

2x = 5

2x / 2 = 5 / 2

x = 5/2 or C

7 0
3 years ago
Please help
mafiozo [28]

Answer:

Easy it's a right hand child

Step-by-step explanation:

Because if both husband and wife both have right hands. And it's 10% chance the child will be left handed. Then it's possible that the child is going to be a right hand.

4 0
3 years ago
Please help need answer asp
Zanzabum
Since it is a 45-45-90 right triangle, the formula is:
Hypotenuse= sqrt2 * leg
Since you know hypotenuse = 9sqrt2 the leg has to be 9
7 0
4 years ago
Please answer the following question. (40 points)
7nadin3 [17]

Answer:

80

Step-by-step explanation:

We have, 75% × x = 60

or,

75/ 100 × x = 60

Multiplying both sides by 100 and dividing both sides by 75,

we have x = 60 × 100/75

x = 80

4 0
3 years ago
Read 2 more answers
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