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Natasha_Volkova [10]
3 years ago
8

Pls help me I’m struggling

Mathematics
2 answers:
artcher [175]3 years ago
8 0

Answer:

The first one is the answer.

Step-by-step explanation:

T.R.U.S.T.    M.E

Vlada [557]3 years ago
6 0

let's say the amount of people going is "p", whatever value "p" is, we know is more than 50, p > 50.

well, let's say that all of the folks are going in vans, we don't know how many vans are needed, we do know it'll be "k" vans, since each van can only carry 5 folks, the total amount of people going will fit in 5k vans.

let me put it differently, let's say we know 500 folks are going to the zoo, each van can only carry 5 folks each, so to be able to fit in 500 in vans, we need 500/5 = 100 vans, if we had 100 vans, each van carrying 5 folks each, that'll be a total of 500 people going in vans, so "k" will be 100, and the amount going will be 5k.

well, not everyone in "p", which is now 5k, p = 5k, is going together, 10 folks are driving themselves, so, <u>the people going to the zoo is, however many are going in the vans, 5k, plus the 10 driving on their own</u>, + 10, 5k + 10 are going to the zoo, and we know that's more than 50, 5k + 10 > 50.

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Find the height of a cylinder with radius 13 and surface area 1470.3.
g100num [7]
First you need the formula for SA of a cylinder: SA = 2(πr^2) + 2πr*h
(area of the top and bottom circles plus the side)
Then plug your values into the equation and rearrange to make h the subject:
1470.3 = 2π13^2 + 2π*13*h
26πh = 1470.3 - 338π
h = (1470.3 - 338π)/26π
   =5.00042...
so h is approximately 5 units :)
8 0
3 years ago
Read 2 more answers
HELP ME PLEASE IM SO DESPERATE TO ANSWER THIS, ILL BE SO THANKFUL TO YALL
Scrat [10]

Answer:

x+2 volts is what I got.

Step-by-step explanation:

7 0
3 years ago
Matthew invested $3,000 into two accounts. One account paid 3% interest and the other paid 8% interest. He earned 4% interest on
boyakko [2]

<u>Answer:</u>

<em>Mathew invested</em><em> $600 and $2400</em><em> in each account.</em>

<u>Solution:</u>

From question, the total amount invested by Mathew is $3000. Let p = $3000.

Mathew has invested the total amount $3000 in two accounts. Let us consider the amount invested in first account as ‘P’

So, the amount invested in second account = 3000 – P

Step 1:

Given that Mathew has paid 3% interest in first account .Let us calculate the simple interest (I_1) earned in first account for one year,

\text {simple interest}=\frac{\text {pnr}}{100}

Where  

p = amount invested in first account

n = number of years  

r = rate of interest

hence, by using above equation we get (I_1) as,  

I_{1}=\frac{P \times 1 \times 3}{100} ----- eqn 1

Step 2:

Mathew has paid 8% interest in second account. Let us calculate the simple interest (I_2) earned in second account,

I_{2} = \frac{(3000-P) \times 1 \times 8}{100} \text { ------ eqn } 2

Step 3:

Mathew has earned 4% interest on total investment of $3000. Let us calculate the total simple interest (I)

I = \frac{3000 \times 1 \times 4}{100} ----- eqn 3

Step 4:

Total simple interest = simple interest on first account + simple interest on second account.

Hence we get,

I = I_1+ I_2 ---- eqn 4

By substituting eqn 1 , 2, 3 in eqn 4

\frac{3000 \times 1 \times 4}{100} = \frac{P \times 1 \times 3}{100} + \frac{(3000-P) \times 1 \times 8}{100}

\frac{12000}{100} = \frac{3 P}{100} + \frac{(24000-8 P)}{100}

12000=3P + 24000 - 8P

5P = 12000

P = 2400

Thus, the value of the variable ‘P’ is 2400  

Hence, the amount invested in first account = p = 2400

The amount invested in second account = 3000 – p = 3000 – 2400 = 600  

Hence, Mathew invested $600 and $2400 in each account.

3 0
3 years ago
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3/5 = 12/x find the missing numbers in the equivalent ratios
pogonyaev

Answer:

x=20

Step-by-step explanation:

Well just cross multiply if its easier

x(3)=3x

12*5=60

60=3x

x=20

4 0
2 years ago
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Indicate in standard form the equation of the line passing through the given point and having the given slope. R(4,0), m=5
liberstina [14]
First you put the equation in point slope form- Y-0= 5x - 4
Then add the zero to the 4.
Final answer: y= 5x -4
7 0
3 years ago
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