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Hitman42 [59]
3 years ago
11

Which tiles should be added to the model below to make zero?

Mathematics
2 answers:
QveST [7]3 years ago
7 0

Answer: is B 6 positive tiles

lukranit [14]3 years ago
6 0

Answer:

B

Step-by-step explanation:

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Can anyone explain how you get the answer?
AnnyKZ [126]

Answer:

G) -12

Step-by-step explanation:

x is increasing by 2

y is decreasing by 24

-24 / 2 = -12

4 0
3 years ago
Read 2 more answers
A group of 59 randomly selected students have a mean score of 29.5 with a standard deviation of 5.2 on a placement test. What is
Otrada [13]

Answer:

29.5+/-1.11

= ( 28.39, 30.61)

Therefore, the 90% confidence interval (a,b) =( 28.39, 30.61)

Step-by-step explanation:

Confidence interval can be defined as a range of values so defined that there is a specified probability that the value of a parameter lies within it.

The confidence interval of a statistical data can be written as.

x+/-zr/√n

Given that;

Mean x = 29.5

Standard deviation r = 5.2

Number of samples n = 59

Confidence interval = 90%

z-value (at 90% confidence) = 1.645

Substituting the values we have;

29.5+/-1.645(5.2/√59)

29.5+/-1.645(0.676982337100)

29.5+/-1.113635944529

29.5+/-1.11

= ( 28.39, 30.61)

Therefore, the 90% confidence interval (a,b) =( 28.39, 30.61)

7 0
3 years ago
Simplify.<br> <img src="https://tex.z-dn.net/?f=%5Cfrac%7B8%5Csqrt%7B6mn%7D%20%2B%206%5Csqrt%7B8mn%7D%20%7D%7B2%5Csqrt%7B2mn%7D%
nata0808 [166]
It’s the first answer
I used Math-way :)

3 0
3 years ago
Which of the following statements best describes the complement of the set of outcomes of a certain event a? A. The complement o
brilliants [131]
B. The complement is the probability of an event NOT happening.
4 0
3 years ago
Read 2 more answers
I take 8th grade honors math but i straight up cant figure this out
Rufina [12.5K]

The price of the fries would be $2.50, the price of the drink would be $2.50, and the price of the cheeseburger wold be $7.50.

We can write a set of equations to represent the prices, if 'f' is fries, 'd' is drink, and 'c' is cheeseburger:

c = 3f

f = d

Using these equations, we can then write out the sum of the items also, as it would be c + f + d = 12.50, but as we know that c = 3f and d = f, we can write it as 3f + f + f = 12.50, and then solve:

3f + f + f = 12.50

5f = 12.50

÷ 5

f = $2.50

Now that we know the price of the fries, we know that the price of the drink is the same, so the drink is also $2.50. Then, we can multiply 2.50 by 3 as we know that the cheeseburger is 3 times the cost of the fries, and 2.50 × 3 = 7.50.

I hope this helps!

4 0
3 years ago
Read 2 more answers
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