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Lostsunrise [7]
3 years ago
7

Answer the questions SHOW YOUR WORK

Mathematics
1 answer:
bixtya [17]3 years ago
3 0
Hey there!

22. 8³ means 8*8*8 not8*3. So you would have to multiply 8 three times. 8*8*8= 512. So 8³= 512

23. Like the answer above you would have to multiply 10 six times. 10^6 power is 1,000,000 and now multiply that by 8 and you would get 8,000,000

25. 8+5(4)-3(2)
Multiply and divide left to right, 5(4)= 20 and 3(2)=6
8+20-6
Add and subtract left to right, 8+20= 28
28-6= 22

29.$34
960*2=1920 (bus rentals)
80*10=800 (lunch)
1920+800=2720 (total cost)
2720/80=34 (cost per student)

39. So for 8 months

Height for 8 months = 10 + 3x8 millimeters
Height for 8 months = 10 + 24 millimeters
Height for 8 months = 34 millimeters

For 3 Years.
There are 12 months in 1 year.
For 3 years there are 12 x 3 = 36 months

Plug it into the equation
Height for 36 months = 10 + 3x36
Height for 36 months = 10 + 108
Height for 36 months = 118 millimeters

54. a . It costs $20 for an adult and $13 for a student because for every adult it costs $20 each and for every student, it costs $13 each
B. 20(4)+13(24)
80+312= 392
So The total cost is $392

Hope this helps!

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A quadratic equation has exactly one real number solution. Which is the value of its discriminant?
zhenek [66]
<h3>Answer:  0</h3>

The discriminant is the number under the square root of the quadratic formula

x = \frac{-b\pm\sqrt{b^2-4ac}}{2a}

The discriminant formula is D = b^2-4ac

If D = 0, then the whole square root portion is 0 meaning we end up with the solution x = -\frac{b}{2a}

4 0
3 years ago
How many inches are in 760 yards
saveliy_v [14]
So there are 36 inches in 1 yard. If you take 760 and times it by 36 you get 760x36= 27,360 inches.
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Read 2 more answers
Vector u = &lt;11, 12&gt;, v = &lt;-16, 6&gt;, and w = &lt;4, -5&gt;. Match each vector operation with its resultant vector expr
MAVERICK [17]

3u - 2v + w gives the resultant vector as; <49, 19>

8u - 6v gives the resultant vector as; <184, 60>

7v - 4w gives the resultant vector as; <61, 104>

u - 5w gives the resultant vector as; <-9, 37>

<h3>How to find the resultant of vectors?</h3>

We are given the vectors;

u = 11i + 12j

v = -16i + 6j

w = 4i - 5j

1) 3u - 2v + w gives the resultant vector as;

3(11i + 12j) - 2(-16i + 6j) + 4i - 5j

⇒ 33i + 36j + 32i - 12j + 4i - 5j

⇒ 49i + 19j

⇒ <49, 19>

2) 8u - 6v gives the resultant vector as;

8(11i + 12j) - 6(-16i + 6j)

⇒ 88i + 96j + 96i - 36j

⇒ 184i + 60j

3) 7v - 4w gives the resultant vector as;

7(11i + 12j) - 4(4i - 5j)

⇒ 77i + 84j - 16i + 20j

⇒ 61i + 104j

4) u - 5w gives the resultant vector as;

11i + 12j - 5(4i - 5j)

11i + 12j - 20i + 25j

-9i + 37j

Read more about Resultant Vectors at; brainly.com/question/110151

#SPJ1

5 0
1 year ago
For which inequality is x = 5 a solution?
adoni [48]
<h3>C. <u>x > 42 </u></h3>

<u>Hope</u><u> </u><u>this will</u><u> </u><u>help</u><u>.</u><u>.</u><u>.</u><u> </u>

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The following system of equations can be used to
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Answer: • 6

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Step-by-step explanation:

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