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2 years ago

Write an equation in slope intercept form that passes through the point (4,-7) and is perpendicular to the equation y=-2x+1.

Mathematics

1 answer:

3241004551 [841]2 years ago

8 0

Answer:

please use a graph to do it

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Cashews cost $4 per pound and peanuts cost $2.50 per pound. If you mix 4 pounds of cashews and 4 pounds of peanuts, what is the

SCORPION-xisa [38]

$6.50 per pound $4.00 +$2.50=$6.50

6 0

3 years ago

This chart shows the result of an experiment conducted to see the effect of different brands of fertilizers on the growth of a b

Wittaler [7]

The range that is appropriate to use to represent the numerical data is 0.0 to 26.0.

<h3>What is a line graph?</h3>

A line graph is a graph that is used to represent numerical data. It shows the changes in the data with the passage of time. There are two axes on a line graph, the vertical axis and the horizontal axis. The range of the vertical axis should start from 0 and end at the largest number of data set.

Please find attached the diagram. To learn more about line graphs, please check: brainly.com/question/27252279

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2 years ago

Which of the following expressions can be factored by grouping? (Select all that apply.)

Greeley [361]

Answer:

Options (3), (4) and (5)

Step-by-step explanation:

1). a² - 9a + 7ab + 63b

= a(a - 9) + 7b(a + 9)

Now we can not solve this problem further.

Therefore, can't be factored by grouping.

2). 3a + 4ab - b - 12

= a(3 + 4b) - 1(b - 12)

We can't solve it further.

Therefore, can't be factored by grouping.

3). ab + 6b - 2a - 12

= b(a + 6) - 2(a + 6)

= (b - 2)(a + 6)

We can be factored this expression by grouping.

4). x³ + 9x²+ 7x + 63

= x²(x + 9) + 7(x + 9)

= (x² + 7)(x + 9)

Therefore, the given expression can be factored by grouping.

5). ay² + a - y² - 1

= a(y² + 1) - 1(y² + 1)

= (a - 1)(y² + 1)

This expression can be factored by the grouping method.

Options (3), (4) and (5) are the correct answers.

3 0

3 years ago

Which situation could be represented by the equation 32.4 = 8.1x?

Oduvanchick [21]

Answer:

C or A

Step-by-step explanation:

3 0

2 years ago

Read 2 more answers

A King in ancient times agreed to reward the inventor of chess with one grain of wheat on the first of the 64 squares of a chess

Ivahew [28]

Answer:

1. 65536

2. 458752000

Step-by-step explanation:

2 to the power of 16 is 65536

458752000=65536*7000

8 0

3 years ago