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2 years ago

What is an equation in slope-intercept form of the line that passes through (6, 10) and is parallel to the graph of y=13 x−1 ?

Mathematics

1 answer:

nadezda [96]2 years ago

7 0

10=13(6)+b
10=78+b
b=-68
y=13x-68

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Ms Hart had 40 dollars to spend on costume boxes for the musical. If she bought 12 boxes and received 4 dollars in change, how m

artcher [175]

Answer:each box cost =$3

Step-by-step explanation:

Amount of money Ms Hart has to spent on costume boxes=$40

Amount gotten as change after purchase=$4

Amount actually used up buying costume boxes =$40-$4=36

Since she bought 12 boxes , each box cost =$36/ 12=$3

5 0

2 years ago

Find the following expression by multiplying. (a + b)^2

Hatshy [7]

You multiply it together like (a+b)(a+b)
the answer would be a^2 + 2ab + b^2

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3 years ago

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Ariel and her friends purchased some drinks and pizza slices at the snack bar. Each drink cost $2, and each pizza slice was $4.

Natali [406]

Answer:

$\left\{ \begin{array}{ll} 2d+4p=28 \\ d+p=9 \end{array}$

Step-by-step explanation:

We are letting d represent the number of drinks and p represent the number of pizza slices.

We know that each drink d costs $2. We also know that each pizza slice p costs $4. They spent a total of $28. Therefore:

$2d+4p=28$

We also know that 9 items was purchased all together. So, the total number of drinks d and pizza slices p sum to 9:

$d+p=9$

Therefore, our system of equations is:

<h3> $\left\{ \begin{array}{ll} 2d+4p=28 \\ d+p=9 \end{array}$ </h3>

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2 years ago

I don't know how to factor this, what should I do to get the right answer

lina2011 [118]

Answer:

Step-by-step explanation:

First, you can reduce it

4(n^2-11n+30)

This should make it easier to work with. But remember, keep the 4 there. You cannot just get rid of it because it would change the value of the equation

Now find factors of 30 that have a difference or ad up to 11.

Factors of 30:

1, 30

2, 15

3, 10

5, 6

Ahh yes, 5 and 6 add to 11

4(n-5)(n-6)

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3 years ago

Which expression means an amount that is put into 3 equal groups?

zubka84 [21]

A is the answer

Hope it helps!

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2 years ago

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