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blsea [12.9K]
3 years ago
10

Question 83 pts

Mathematics
1 answer:
8_murik_8 [283]3 years ago
4 0

Answer:

Ummm I dont know what subject it is so i will guess 2.3?

Step-by-step explanation:

I'm Sorry im really useless

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Lee has a jar of 100 pennies. She adds groups of 10 pennies to the jar. She adds 5 groups. What number does she say?
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5 that is the answer to your question
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3 years ago
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When asked to write the domain for the equation y= |x - 6| + 3, Mary wrote the Domain is y < 3. What mistake(s) did Mary make
castortr0y [4]

Answer:

Ok, the domain is the set of values that we can input in a function.

In this case, we have:

y = Ix - 6I + 3.

Notice that there is no restriction here, x can actually take any value, then the domain will be the set of all real numbers.

The correct domain is x, x ∈ R

Now, if we had (for example) something like:

y = Ix - 6I < 3

Now we have a restriction in the domain because we can not have y equal or larger than 3.

To find the domain, we can break the absolute value:

Ix - 6I < 3

is equivalent to:

-3 < x - 6 < 3

now let's add 6 in each side.

-3 + 6 < x - 6 + 6 < 3 + 6

3 < x < 9

That will be the domain in that case.

6 0
2 years ago
HELP FIND THE SLOPE OFTHIS GRAPH
dybincka [34]

Answer:

-1.25

Step-by-step explanation:

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Formula for slope is y1-y2/x1-x2

4--1/-4-0

5/-4

-1.25

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If you need to divide 2/3 by 4/5 , why is it easier to use an equation than to use a model
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Now you see when you use a model it is harder kepause........
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2 years ago
For each direct variation find the constant of variation then find the value of Y when X equals -0.5. Y equals 2 when X equals 3
Readme [11.4K]

For direct variation y varies directly with x, then we use equation y = kx

Where k is the constant of proportionality

Given: Y equals 2 when X equals 3

We plug in 3 for x  and 2 for y and solve for k

y = kx

2 = k(3)

Divide both sides by 3

\frac{2}{3} =k

Now we plug in 2/3 for k  

y=\frac{2}{3}x

Given x=-0.5  and find out y

y=\frac{2}{3}(-0.5)

y=-0.33

the value of y is -0.33 when x=-0.5


4 0
2 years ago
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