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2 years ago

Select the correct locations on the graph select the lines that represent functions

Mathematics

2 answers:

Ber [7]2 years ago

8 0

Answer:the other person is right

Step-by-step explanation:

SpyIntel [72]2 years ago

4 0

Step-by-step explanation:

Using the vertical line test, we can see which lines are functions, and which are not. If a vertical line were to hypothetically appear, would it touch more than one part of the line? If so, it is not a function.

The lines outlined in a black box are the correct answers.

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Student Council is selling candy grams. They are using the formula

Luden [163]

Answer:

Our equation is:

y = f(x) = 2.5*x

The domain is the set of the values of x.

The range is the set of the values of y.

They must sell between 55 and 60 candy grams to meet their goal.

If we assume these as restrictions for the domain, then the minimum value of x is 55, and the maximum value of x is 60.

Then the domain is:

D: 55 ≤ x ≤ 60.

Now that we know the domain, we can find the range.

As our equation is linear with a positive coefficient, the minimum in the range will coincide with the minimum in the domain, then we have:

y = 2.5*55 = 137.5

And the maximum will coincide with the maximum in the domain:

y = 2.5*60 = 150.

Then the range is:

y = 137.5 ≤ y ≤ 150

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2 years ago

How do you simplify 5 (3t) - 7 (2t)

Vlada [557]

Answer:

3t-2

Step-by-step explanation:

Multiply the terms 3t and 2t. You should get 5t.
Subtract 7 from 5; you should get -2.
Now, your equation is 3t-2, you're done!

7 0

2 years ago

Write the equation in slope-intercept form. 5x+3y=12

Umnica [9.8K]

5x+3y=12
Subtract 5x from both sides
3y=-5x+12
Divide by 3
Y=-5/3x +4

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2 years ago

The expression n2 + n represents the total number of blocks used in the nth figure of a pattern. Use the equation n2 + n = 56 to

Brrunno [24]

We have to solve this quadratic equation $n^{2}+n=56$ for n to get which figure has 56 blocks.

$n^{2}+n=56\\n^{2}+n-56=0$

For middle term factorization, we need two numbers that multiplied gives us -56 and added gives us 1 (coefficient of n).

Such two numbers are 8 and -7. We can now write,

$n^{2}+n-56=0\\(n+8)(n-7)=0\\n=-8, 7$

"There is no negative figure number possible, so we disregard -8"

Our answer is 7.

ANSWER: The 7th figure has 56 blocks.

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2 years ago

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a six sided number cube has faces with the numbers 1 through 6 marked on them. what is the probability that a number less than 2

iris [78.8K]

Solution:

we are given that

A six sided number cube has faces with the numbers 1 through 6 marked on them.

we have been asked to find the probability that a number less than 2 will occur on one toss of the number cube.

Since a number less than 2 is only one and that is "1" and total number of possible outcome is 6.

and as we know that probability is given using the formula

$P(E)= \frac{n(E)}{n(S)}\\ \\$

Substitute the values we get

$P(E)= \frac{1}{6}$

Hence the required probability is 1/6.

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2 years ago

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