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san4es73 [151]
3 years ago
5

Can someone tell me if what i selected is right? and if it’s not which one it is? thank you!

Mathematics
2 answers:
goblinko [34]3 years ago
7 0

Answer:

-7x^2 + 5x + 12 AC = -84 factors = 12, -7

-7x^2 - 7x + 12x + 12

-7x (x + 1) + 12 (x + 1)

(-7x + 12) (x + 1)

shepuryov [24]3 years ago
5 0
I think you have the correct answer
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Do this pls 35 points
love history [14]

Answer:

x = 68

Step-by-step explanation:

If you look at the triangle properly, it is a isosceles triangle where two legs are equal to each other.

The answer for x will be:

56 + 56 + x =180

112 + x = 180

x = 68

7 0
3 years ago
How do you think inequalities are different from equations you have worked with before?
dmitriy555 [2]

Answer:

Inequalities are different from equations.  If you multiply or divide both sides of an equation by the same negative number, the equation remains the same, but If you multiply or divide both sides of an inequality by the same negative number, the inequality reverses.

4 0
3 years ago
What number is less than 8​
marshall27 [118]

Answer:

any number that isn't 8 or above it

Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
What is -10=k+6 please show work thank you
Tresset [83]

Answer:

k=-16

Step-by-step explanation:

-10=k+6

subtract 6 both both sides to isolate the variable

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Happy Holidays!!

7 0
3 years ago
Read 2 more answers
Question 4
Ilia_Sergeevich [38]

Answer:

2

Step-by-step explanation:

Given

See attachment for chart

Required

Number of off days

To do this, we simply calculate the expected value of the chart.

This is calculated as:

E(x) = \sum x * f

Where

x = days

f = chances

So, we have:

E(x) = 0* 0.3 + 1 *0.2 + 2 * 0.25 + 3  * 0.2 + 4  * 0.02 + 5 * 0.01 + 6 * 0.01 + 7 * 0.01

E(x) = 1.56

E(x) \approx 2

3 0
3 years ago
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