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Nina [5.8K]
3 years ago
9

I need help ASAP ASAP plz someone help me plz plz plz

Mathematics
1 answer:
anyanavicka [17]3 years ago
4 0

Answer:

Rate of change  = 0.5

Initial value = 120

Step-by-step explanation:

(10 , 125)   ;   (30 , 135)

Slope = \frac{y_{2}-y_{1}}{x_{2}-x_{1}}

         = \frac{135-125}{30-10}\\\\= \frac{10}{20}\\\\= \frac{1}{2}\\= 0.5

Rate of change  = 0.5

Initial value = 120

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Are the ratios 8/12 and 10/25 proportional? (Explain in steps)
irinina [24]
Okay, so first, lets determine whether or not these are equivalent, which will lead us to our answer. 

8/12 < lets simplify this

8/4 = 2
12/4 = 3

8/12 = 2/3

10/25

10/5 = 2
25/5 = 5

10/25 = 2/5

2/5 ≠ 2/3

These ratios are not proportional. 
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3 years ago
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Popper Jackie decides her map of the youth center is too small.
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Answer:

Step-by-step explanation:

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3 years ago
Plz help on rationalising surds
Fittoniya [83]
(√5 + 3)² / √20=
((√5 + 3)² / √20)(√20/√20)=
(√20(√5 + 3)²) / (√20)²=
√20(5+6√5+9) /20=
√20 (14+6√5) /20=
(14√20 +6√100) /20=
(14√20 +60) / 20=
(14(√4√5) + 60) /20=
(14(2)(√5)+60) / 20=
(28√5+60) /20=
(7√5+15) / 5

Answer:(√5 + 3)² / √20= <span>(7√5+15) / 5</span>
3 0
3 years ago
The journal entry to close the Fees Earned, $750, and Rent Revenue, $175, accounts during the year-end closing process would inv
mestny [16]

Answer:

credits to the two revenue accounts

Explanation:

The journal entry above is focusing on <u>"two revenue accounts"</u> and these are "Fees Earned" and "Rent Revenue."

Remember that "Fees Earned" is part of the revenue section in the<em> Income Statement.</em> It is the amount of money earned for services provided such as <em>auditing fees</em> or <em>consulting fees.</em>

An increase in revenue is being credited when it comes to<em> journal entries.</em> So, this means that "credits to the two revenue accounts" have to be made.

So, this explains the answer.  

7 0
4 years ago
Scale drawing of the electronics board
lora16 [44]

Area of the electronic board is 9000 cm2

Step-by-step explanation:

Write ratios to represent the unknown actual length and width of the display to the scale length and width of the display.

The Electronic board always seems like a rectangular shape

Length= scale÷Actual = 5/36 = 5×36 = 180cm

Length= scale÷Actual = 5/36 = 5×36 = 180cm

Width=scale÷Actual = 1/50 = 1×50 = 50cm

Width=scale÷Actual = 1/50 = 1×50 = 50cm

Area of Rectangle = legnth × width

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= 180cm  × 50cm = 9000 cm2

Area of the electronic board is 9000 cm2

6 0
4 years ago
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