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podryga [215]
3 years ago
13

BRAINLIEST TO EVERY ONE WHO ANSWER THIS QUESTION WITH A PROPER EXPLANATION

Mathematics
1 answer:
insens350 [35]3 years ago
6 0

Answer:

4 tiles

Step-by-step explanation:

If the width is 84 cm, let's take a 84cm lengthed tile.

in the remaining part we get 112-84=28 cm

let's check whether 84÷ 28 is a whole number. if it's a whole number we can keep the n number of 28 cm length tile

84÷28=3

luckily we dont need to think a lot. just put 3, 28 cm tile in the balance part .

she only needs 4 tiles to fill the table

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Plz help ASAP and good explanation thank you
PilotLPTM [1.2K]
10 + 43 - 5 = 48

5^2 = 25

48/6 = 7

7 + 25 = 32

Answer 32
3 0
3 years ago
The weight of strawberries follows a normal distribution with a mean weight of 12 grams and a standard deviation of 2.5 grams. I
Viefleur [7K]
This is a problem of Standard Normal distribution.

We have mean= 12 grams
Standard Deviation = 2.5 grams

First we convert 8.5 to z score. 8.5 converted to z score for given mean and standard deviation will be:

z= \frac{8.5-12}{2.5} =-1.4

So, from standard normal table we need to find the probability of z score to be less than -1.4. The probability comes out to be 0.0808

Thus, the <span>probability that the strawberry weighs less than 8.5 grams is 0.0808</span>
6 0
3 years ago
Khalid invested $9500 in a savings account with a yearly interest rate of 3% for 8 years. How much simple interest did he earn?
NemiM [27]
So simple interest, you don't compound anything, you will always add 3% from $9500 and it will not change. The equation will look like this:

9500*[1+(0.03*8)]
giving us 9500*1.24 = $11,780

6 0
3 years ago
Read 2 more answers
Andrew pays $15 for a haircut . He leaves a 20% tip. What is the total amount andrew pays for the haircut, including the tip?
beks73 [17]

Answer:

$18.00

Step-by-step explanation:

Start by working out 10%, that's easy:

15 ÷ 10 = 1.5

That means a 10% tip would be $1.50, so a 20% tip would be twice that amount:

1.50 x 2 = 3

A 20% tip is $3.00, and added on to the original $15.00, the total is $18.00

7 0
3 years ago
If 30% of a bag of Skittles is 12 pieces, how
Salsk061 [2.6K]

Answer:

40

Step-by-step explanation:

12 is 30% of 40

30% x X = 12 or 30/100 x = 12

so if you multiply both sides by 100 and divide both sides by 30

we get X = 12 x 100/30

= 40

(BTW if you want to use a calculator just put 12×100÷30 which will give you the answer)

3 0
3 years ago
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