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4 years ago

Question 6 Unsaved Identify the slope and y-intercept of the graph of the equation. Then graph the equation. y = −5/4x+1

Mathematics

1 answer:

Lena [83]4 years ago

4 0

Slope = -5/4
y intercept = 1

The slope is always attached to x. The intercept is the number attached on the end.

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A family pays $45 each month for cable television.The cost increases 7%.

Ghella [55]

The new monthly cost would be $48.15. 7% of $45 is $3.15. You just add the number $45 with $3.15 to get the new monthly cost.

4 0

3 years ago

A customer paid 9x + 11y dollars for a bag that contains x pounds of chocolate and y pounds of almonds.

tino4ka555 [31]

Answer:

Answer is a,d, and f

Step-by-step explanation:

8 0

3 years ago

Kamal wrote the augmented matrix below to represent a system of equations

ra1l [238]

Consider the operation is $R_2\to -3R_2$ .

Given:

The augmented matrix below represents a system of equations.

$\left[\left.\begin{matrix}1&0&1\\1&3&-1\\3&2&0\end{matrix}\right|\begin{matrix}-1\\-9\\-2\end{matrix}\right]$

To find:

Matrix results from the operation $R_2\to -3R_2$ .

Step-by-step explanation:

We have,

$\left[\left.\begin{matrix}1&0&1\\1&3&-1\\3&2&0\end{matrix}\right|\begin{matrix}-1\\-9\\-2\end{matrix}\right]$

After applying $R_2\to -3R_2$ , we get

$\left[\left.\begin{matrix}1&0&1\\-3(1)&-3(3)&-3(-1)\\3&2&0\end{matrix}\right|\begin{matrix}-1\\-3(-9)\\-2\end{matrix}\right]$

$\left[\left.\begin{matrix}1&0&1\\-3&-9&3\\3&2&0\end{matrix}\right|\begin{matrix}-1\\27\\-2\end{matrix}\right]$

Therefore, the correct option is A.

3 0

3 years ago

What is the nearest ten thousand, the population of Vermont was estimated to be about 620,000 in 2008 . What might have been the

Degger [83]

Answer:

618,000 might be the exact population of Vermont in 2008

Step-by-step explanation:

* Lets explain the rule of rounding to the nearest ten thousands

- To round numbers to the nearest ten thousand, make the

numbers whose last four digits are 0001 through 4999 into the

next lower number that ends in 0000

- Ex: 83,525 rounded to the nearest ten thousand would be

80,000.

- Numbers that have the last four digits of 5000 or more should

be rounded up to the next even ten thousand

- Ex: The number 58,988 rounded to the nearest ten thousand

would be 60,000

* Lets do that in the problem

∵ The number is 620,000 after rounded to the nearest

ten thousands

∴ We can chose any number whose last four digits are 00001

through 4999 as 624,000 OR 5000 or more as 618,000

∴ 618,000 might be the exact population of Vermont in 2008

6 0

3 years ago

Simplify 1/3(9a + b) - 1/2(4a + 2b).

MAVERICK [17]

Use distributive property: a(b + c) = ab + ac

1/3(9a + b) - 1/2(4a + 2b) = 3a + 1/3b - 2a - b = a - 2/3b

6 0

4 years ago