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Tems11 [23]
3 years ago
12

If 12 cookies cost $3, how much would I pay for 5 cookies? Set up a proportion and solve.

Mathematics
2 answers:
vitfil [10]3 years ago
3 0

Answer:

B) 1.25

Step-by-step explanation:

$3/12 cookies = $.25/cookie

.25 * 5 = 1.25

weqwewe [10]3 years ago
3 0
The answer is b. And the working is In the pic below...

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Solve the equations
Minchanka [31]

Answer:

#1 - All real numbers are solutions.

#2 - All real numbers are solutions.

Step-by-step explanation:

#1 -

Let's solve your equation step-by-step.

12(6t−4)=3t−2

Step 1: Simplify both sides of the equation.

12(6t−4)=3t−2

(12)(6t)+(12)(−4)=3t+−2(Distribute)

3t+−2=3t+−2

3t−2=3t−2

Step 2: Subtract 3t from both sides.

3t−2−3t=3t−2−3t

−2=−2

Step 3: Add 2 to both sides.

−2+2=−2+2

0=0

Same for #2

8 0
3 years ago
The weight of a cat is normally distributed with a mean of 9 pounds and a standard deviation of 2 pounds. Using the empirical ru
coldgirl [10]

If the value of the z-score is 1. Then the probability that a cat will weigh less than 11 pounds will be 0.84134.

<h3>What is the z-score?</h3>

The z-score is a statistical evaluation of a value's correlation to the mean of a collection of values, expressed in terms of standard deviation.

The z-score is given as

z = (x - μ) / σ

Where μ is the mean, σ is the standard deviation, and x is the sample.

The weight of a cat is normally distributed with a mean of 9 pounds and a standard deviation of 2 pounds.

Then the probability that a cat will weigh less than 11 pounds will be

The value of z-score will be

z = (11 – 9) / 2

z = 1

Then the probability will be

P(x < 11) = P(z < 1)

P(x < 11) = 0.84134

Thus, the probability that a cat will weigh less than 11 pounds will be 0.84134.

More about the z-score link is given below.

brainly.com/question/15016913

#SPJ1

4 0
1 year ago
9x - 3 + x² , when x = 4
Fiesta28 [93]

Answer:

49

Step-by-step explanation:

hope this helps

9(4)-3+4^2

36-3+4^2

33+4^2

33+16

49

8 0
2 years ago
Read 2 more answers
A coral reef grows
const2013 [10]
It grows 1.68m because 0.14m times 12
7 0
3 years ago
Read 2 more answers
1.) Which function in vertex form is equivalent to f(x) = x2 + x +1?
Gwar [14]
Hello,

Answer C

x²+x+1=(x²+2*1/2*x+1/4)+1-1/4=(x+1/2)²+3/4


5 0
3 years ago
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