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victus00 [196]
3 years ago
9

Which of the following represents a solution to the equation d3 - 343?

Mathematics
1 answer:
Levart [38]3 years ago
3 0
I don’t see any multiple choice but d3 -343 is factored as (d-7)(d^2+7d+49)
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Help asap help please.
Xelga [282]

Answer:

30(x+1)/(x+7)

Step-by-step explanation:

This is not a rational expression because denominator has a domain of which it can be undefined.

To rationalize multiply by the reciprocal of the denominator (1/6+1/x+1)

___<u>5___ </u>*(6)(x+1) --> _____<u>30(x+1)_____</u> --><u> 30x+1</u>_ --> <u>30x+1</u>

1/6+1/x+1   *(6)(x+1)--> 6(x+1)/6 + 6(x+1)/(x+1) --> (x+1)+6 --> x+7

Final Answer: 30(x+1)/(x+7)



7 0
3 years ago
How would I graph this?
elena55 [62]

y\leq 2x-5

↝ x-intercept

2x-5=0\\2x=5\\x=\frac{5}{2}

↝ y-intercept

y = -5

↝ y\leq 2x-5 means that the shade/area is below the graph as shown in the first picture.

y\leq -\frac{1}{2}x-3

↝ x-intercept

-\frac{1}{2}x-3=0\\-x-6=0\\-x=6\\x=-6

↝ y-intercept

y = -3

↝ Since it's "≤" therefore. The shade/area is below the graph. For second picture.

First picture is first inequality

Second picture is second inequality.

3 0
3 years ago
What is cosine ? I really need this answer for my test tomorrow. Please help
Kisachek [45]
Cosine is \frac{adjacent}{hypotenuse} which applies to a right triangle. I hope that helps you.
3 0
3 years ago
Read 2 more answers
Jason ordered the numbers −70, −18, and −18.5 from least to greatest by writing the following statement:
ser-zykov [4K]

Answer:

No

Step-by-step explanation:

For negative numbers, the larger the number is the smaller its value is. For example -18 is greater than -18.5. This is because -18 is closer to 0 than -18.5 is. If you were to plot -18 and -18.5 on a number line you would see that -18 is closer to 0.

8 0
3 years ago
Valentina is trying to decide whether to join her school's swim team. During the summer, the team practices 4 days per week. Eac
Aloiza [94]

Answer:

4

Step-by-step explanation:

4 0
2 years ago
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