Original equation: y = 2x + 7Which equation will shift the graph of the original equation 2 units up?

A) y = 2x + 9
B) y = 4x + 7
C) y = 2x + 2
D) y = 2x - 2

Answers

Answer 1

Answer: A) y = 2x + 9 .........................

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According to David Taylor of the Bank Administration Institute, about _____ percent of households with annual incomes over $50,000 have PCs equipped with modems.

Answers

According to David Taylor of the Bank Administration Institute, about 40 percent of households with annual incomes over $50,000 have PCs equipped withmodems.

Answer:

Step-by-step explanation:

Jen bought some bagels the ratio of the numbers of sesame beagles to the number of plain bagels the she bought is 1:3 find the decimal equivalent of the prrcent of the bagels that are plain

Answers

If the number of sesame to plain bagels is 1:3, that means that for every 3 plain bagels, there is 1 sesame bagel. So if there were 4 bagels total, with 3 being plain and 1 being sesame, then the fraction of the total amount of bagels represented by the amount of plain bagels there are would be 3/4.
3/4 written as a decimal would be 0.75, or 75%.
Hope that helped =)

Dorothea is making friendship bracelets. She has 260cm of string. She needs 20 cm for each bracelet. How many bracelets can she make?

Answers

Answer:

13 bracelets

Step-by-step explanation:

If you have 260 cm of string and you need 20 cm for each bracelet, you have to divide 260 by 20. Which gives you 13

Answer: Dorothea can make 13 bracelets.

Step-by-step explanation: If Dorothea has 260cm of strings, she should cut the string accordingly to set aside the strings. Cutting 260cm of 20cm length each would be the same as doing 260 divided by 20. If you do the math (mentally or using a calculator), you would get 13 pieces of strings, meaning Dorothea can make 13 bracelets. Hope this helped!

Susanne wants to put up a fence around hersquare garden. The garden measures
11 feet on each side How much fencing
material does she need

Answers

Answer:

44 feet

Step-by-step explanation:

The garden is square and one side is 11 feet. Therefore the equation is 11 x 4

What is the surface area of the rectangular prism?200 in2

110 in2

220 in2

180 in

Answers

Answer:

220 in2

Step-by-step explanation:

(10 * 5) * 2 = 100

(10 * 4) * 2 = 80

(5 * 4) * 2 = 40

cuz the bottom of the rectangle

100 + 80 + 40 = 220

Answer:

Step-by-step explanation:

the correct answer is 220 in I took the k12 math quiz just now and got 80% but this question was correct

What is the difference in simplest form? (n^2+10n+21/n^2+3n-28)-(3n/n-4)

Answers

Answer:

$(3-2n)/(n-4)$

Step-by-step explanation:

We have been given the expression

$(n^2+10n+21)/(n^2+3n-28)-(3n)/(n-4)$

Let us write the numerator and denominator of first expression in factored form using AC method.

$n^2+10n+21\n=n^2+7n+3n+21\nn(n+7)+3(n+7)\n(n+7)(n+3)$

And the factors of denominator is

$n^2+3n-28\n=n^2+7n-4n-28\nn(n+7)-4(n+7)\n(n+7)(n-4)$

Therefore, the expression becomes

$((n+7)(n+3))/((n+7)(n-4))-(3n)/(n-4)\n\n\text{Cancel the common terms}\n\n(n+3)/(n-4)-(3n)/(n-4)\n\n\text{Denominator of both rational expression is same}\n\text{hence, we can directly add the numerators}\n\n(n+3-3n)/(n-4)\n\n(3-2n)/(n-4)$