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3 years ago

Which values are solution to the inequality below? check all that apply.

1 answer:

3 0

A,E,F
Sq rt of 25 is 5 and 5 is less than 10
Sq rt of 36 is 6 and 6 is less than 10
Sq rt of 9 is 3 and 3 is less than 10

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2. A line goes through the points (7,8) and (3, 10).

Luda [366]

The formula of a slope (m):

$m=\dfrac{y_2-y_1}{x_2-x_1}$

We have the points (7, 8) and (3, 10). Substitute:

$m=\dfrac{10-8}{3-7}=\dfrac{2}{-4}=-\dfrac{1}{2}$

a) point-slope form:

$y-y_1=m(x-x_1)$

Substitute:

$y-8=-\dfrac{1}{2}(x-7)$

b) slope-intercept form:

$y=mx+b$

$y-8=-\dfrac{1}{2}(x-7)\qquad|\text{use distributive property}\\\\y-8=-\dfrac{1}{2}x+\dfrac{7}{2}\qquad|\text{add 8}=\dfrac{16}{2}\ \text{to both sides}\\\\y=-\dfrac{1}{2}x+\dfrac{23}{2}$

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4 years ago

Rosa and her friends are eating out for dinner. The bill was $45.80. They want to leave a 20% tip. How much should they leave fo

Romashka-Z-Leto [24]

20% is the number divided by 5. 45.80/5 is 9.16

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3 years ago

Use the interactive graph to produce an orange line identical to the blue line. Then change the value of b only. Which equation

andrezito [222]

Answer:

Step-by-step explanation:

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3 years ago

Read 2 more answers

On a final exam, each multiple-choice question is worth 4 points and each word problem is worth 8 points. Lorenzo needs

Elena-2011 [213]

Answer:

4x + 8y = 50 or 4x + 8y > 50

Step-by-step explanation:

To find which equation show the exact answer, Becasue he need at least 50 poitns to have a B, so:

4x + 8y must larger or equal to 50

In these choice, some I can't figure out what it means but the correct answer for this is:

4x + 8y = 50 or 4x + 8y > 50

Hope this help you :3

7 0

4 years ago

Read 2 more answers

Factor the polynomial expression x4 – 6x2 + 5.

Serga [27]

Answer:

Hello!

______________________

x4 – 6x2 + 5

= ( x^2 - 5) ( x + 1 ) ( x - 1 )

Step-by-step explanation: Factor.

Hope this helped you!

4 0

3 years ago