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Pepsi [2]
3 years ago
9

Please please help with this question! I am taking a test, but it is to see what I know, so they are all questions about things

I haven't learned before, to see If I know them. I am stuck on all of them! I'll probably be asking more, so if you know this, please keep an eye on my page for new questions!

Mathematics
2 answers:
Savatey [412]3 years ago
5 0

Answer:

114

Step-by-step explanation:

(400/4)+(40/4)+(16/4)

400/4=100

40/4=10

16/4=4

100+10+4=114

blondinia [14]3 years ago
4 0

Answer:

all 4 for the top

456 / 4 = 114

Step-by-step explanation:

if you add up 400, 40, and 16, then you have 456. So basically if you divide them all by 4, the answer of all those numbers will equal 114

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5n(3n-n+8) slove it please
lozanna [386]
Hey there! :) 

5n(3n - n + 8)

Simplify.

(5n × 3n) + (5n × -n) + (5n × 8)

Simplify.

(15n²) + (-5n²) + (40n)

Remove parenthesis

**Remember : a negative times a positive is always a negative, a positive times a positive is a positive, and a negative times a negative is a positive**

15n² - 5n² + 40n

Combine like terms.

(15n² - 5n²) + 40n

Simplify.

10n² + 40n → final answer :) 

~Hope I helped!~
4 0
4 years ago
Hi, so I was wondering if anyone knows the surface area of a cylinder if the diameter is 7.5? Thank you so much! :)
disa [49]

Answer:

206.17

Key(s):

A = 2\pi \frac{d}{2} h + 2\pi \left(\frac{d}{2}\right)^2

Substitute <em>d</em> for the actual diameter, 7.5, and <em>h</em> for the height, which is 5.

Step-by-step explanation:

A = 2\cdot\pi \cdot\frac{7.5}{2} \cdot5 + 2\cdot\pi \cdot\left(\frac{7.5}{2}\right)^2 ≈ 206.17(2 DP)

6 0
2 years ago
An equallon for the depreciation of car is given by y = A * (1 - t) ^ t where y = current value of the car, A = original cost, r
Norma-Jean [14]

Answer: 3 years

Step-by-step explanation:

4 0
3 years ago
8x - 6x + 1 = 11<br>Please explain your work!<br>Thank you!​
Vesnalui [34]

Answer:

x = 5

Step-by-step explanation:

8x - 6x + 1 = 11

Add 6x to each side (because the 6 is negative)

8x + 1 = 11 - 6x

Subtract 1 from each side (because the 1 is positive)

8x = 10 - 6x

Subtract 6x from 8x

2x = 10

Divide by 2

x = 5

8 0
3 years ago
Read 2 more answers
Anthony and Jesus decide that they want to buy a Playstation 5 together. They each have $225. Ray has a Gamestop coupon that giv
AlladinOne [14]

Answer:

Yes, they will have enough.

Step-by-step explanation:

1. $499.00 + 7% = $533.93

2. $225 x 2 = $550

3. $550 - $533.93 = $16.07 left to spend

8 0
3 years ago
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