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mixer [17]
2 years ago
6

Evaluate the following expression for a = 12 and b = 4 2a/2b

Mathematics
1 answer:
Schach [20]2 years ago
7 0

Answer:

3

Step-by-step explanation:

1. Substitute 12 for a and 4 for b in the equation:  (2(12)) / (2(4))

2. Multiply:  24/8 = 3

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Paul is building a bridge for a school project and wants to make a right triangle out of three popsicle sticks that measure 8 cm
STatiana [176]

Answer:

No he can't

Step-by-step explanation:

8² = 64

10² = 100

8² + 10² = 164

18² = 324

For a right triangle A²+B²=C²

4 0
2 years ago
Which type of dog food will the trainer run out of first
galben [10]
I need more information on this question so I can help you!
6 0
3 years ago
Hey can you please help me posted picture of question
Debora [2.8K]
We can use quadratic formula to determine the roots of the given quadratic equation.

The quadratic formula is:

x= \frac{-b+- \sqrt{ b^{2} -4ac} }{2a}

b = coefficient of x term = -11
a = coefficient of squared term = 2
c = constant term = 15

Using the values, we get:
x= \frac{11+- \sqrt{121-4(2)(15)} }{2(2)} \\  \\ 
x= \frac{11+-1}{4} \\  \\ 
x=3, x= 2.5

So, the correct answer to this question are option B and D
4 0
3 years ago
Arnold bought 19 gallons of milk...
Pavel [41]
YASSSS! GO ARNOLD!!!!!
7 0
3 years ago
In each of the following scenarios, determine if the data are paired.
zmey [24]

Answer:

1. Can be Paired or Not Paired

2. Paired

3. Not Paired

Step-by-step explanation:

Two sets of observations are paired if each observation in one set has a special correspondence or connection with exactly one observation in the other data set.

1. Can be Paired or Not paired

Reason -

We might look at testing the difference of means using a two sample t-test. However, we may also try running a paired t-test.

But its used in cases where the observations are usually from the same populations at different times or through different sources etc.

Hence can't conclude that it is paired or not paired.

2. Paired

Reason -

Each record is a price of the same item from different stores.

3. Not paired

Reason -

This is again a case of testing the difference of means of two-samples (2 independent samples precisely) that are not paired.

5 0
3 years ago
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