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snow_lady [41]
3 years ago
12

Solve the inequality Graph the solution set 7 + 4k ≥ 23

Mathematics
1 answer:
m_a_m_a [10]3 years ago
6 0

Answer: k ≥ 4

Step-by-step explanation:

7 + 4k ≥ 23

subtract 7 on both sides

4k ≥ 16

divide by 4 on both sides

k ≥ 4

the graph:

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What is the measure of angle 6, to the nearest degree?<br> 81°<br> 90<br> 99°<br> 105°
Kaylis [27]

Answer: 99

Step-by-step explanation:

10x-9=9x

-9=-x

x=9

angle 7 = 9*(9)=81

angle 6 = 180-81= 99

NOTE: DO NOT hit 90 because I did that and got it wrong. Just a heads up. Get luck!

6 0
3 years ago
What is the product of (2x – 4) and (5x^2-2x+6)? Write your answer in standard form. Show your work.
Mashutka [201]

Answer:

10x^3-24x^2+20x-24

Step-by-step explanation:

(2x-4)(5x^2-2x+6)

10x^3-4x^2+12x-20x^2+8x-24

10x^3-24x^2+20x-24

6 0
2 years ago
Read 2 more answers
Confirm that f and g are inverses by showing that f(g(x)) = x and g(f(x)) = x. (5 points)
lara31 [8.8K]
F(x)=(x-8)/(x+7). g(x)=(-7x-8)/(x-1). Plug in g(x) into f(x), f(g(x))=[(-7x-8)/(x-1)-8]/[-7x-8)/(x-1)+7], which can be simplified as (-7x-8-8x+8)/(-7x-8+7x-7)=-15x/-15=x. Plug in f(x) into g(x), g(f(x))=[-7*(x-8)/(x+7)-8]/[(x-8)/(x+7)-1]=(-7x+56-8x-56)/(x-8-x-7)=-15x/-15=x, as desired.
5 0
3 years ago
Female giraffes reach a height of 4.3 meters, and males reach a height of 5.5 meters. Kendra created a bar diagram and wrote an
RoseWind [281]

Answer:

The purpose of the the bar diagram is to show the difference between the heights of female and male giraffes, in other words, the bar diagram needs to be able to show how much one value is more or less than the other value.

The height of the males can reach 5.5 meters, and the females' height will only reach 4.3 meters, therefore, we can see that the height of the males are larger than the height of the females, so the equation to find the difference in the heights should be: 5.5 - d = 4.3 (or any other way around).

From that, we know that the height of the males is d meters more than the height of females or the height of the females is d meters less than the height of the males.

*hope this help you

4 0
3 years ago
Read 2 more answers
If C is between A and B, then answer the following if AB=40, AC= 2x+10, CB= 3x-5
Marat540 [252]

If C is between A and B, then, we can write the equation

AB = AC + CB


Substitute the value of AB and the expressions for AC and CB in terms of x.


40 = (2x+10)+(3x-5)


We can now solve for x.



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Dividing by 5.


7=x


AB=40



AC=2(7)+10



AC=14+10



AC=24




BC=3(7)-5



BC=21-5


BC=16



6 0
4 years ago
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