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ipn [44]
3 years ago
15

Is (1, 2) a solution to this system of equations? 10x + 4y = 18 x + 9y = 19

Mathematics
1 answer:
Arlecino [84]3 years ago
3 0

Answer:

Yes

Step-by-step explanation:

The intersection point of 10x+4y=18 and x+9y=19 is (1,2) on a graph.

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It is known that 10% of adults can pass a fitness test. What notation would be used to describe a count of the number of adults
Andrej [43]

Answer:  B. x ~ B(50, .1)

In other words, it's the second answer choice

===========================================================

Explanation:

We have n = 50 people in the sample and p = 0.10 is the decimal form of 10%, to represent the probability of success. In this case, we define "success" as "the person passes the fitness test".

The random variable x is the count of how many people pass. So we could have x = 0, x = 1, x = 2, ..., x = 49, x = 50. Basically any whole number from 0 to 50 inclusive. Furthermore, x is approximately modeled by the binomial distribution which we denote as B(n, p) = B(50, 0.1)

So X ~ B(50, 0.1)

3 0
3 years ago
There are 5 smiles Linda mad one a fawn haw many smiles are there now
pychu [463]

Answer:

4

Step-by-step explanation:

5 smiles - 1 = 4 smiles

7 0
2 years ago
Read 2 more answers
How do you represent the five in 6.75
Mila [183]
It is in the hundreths place if that answers your question.
3 0
3 years ago
Find the zero of the function /(x) = 5x-3.
Bad White [126]

Answer:

3/5

Step-by-step explanation:

Set it equal to 0

5x-3=0

Then solve for x

5x=3

x=3/5

Check

5(3/5) - 3

3-3

0

4 0
3 years ago
What is the area of a rectangular rug that<br> measures 8 1/4 feet by 10 3/4 feet?<br> Area:
ziro4ka [17]

Answer:

<h2>354 \frac{3}{4}  \:  \: feet</h2>

Step-by-step explanation:

= 8 \frac{1}{4}  \times 10 \frac{3}{4}

= \frac{33}{4}  \times  \frac{43}{4}

=  \frac{1419}{4}

= 354 \frac{3}{4}  \:  \: feet

7 0
2 years ago
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