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SVEN [57.7K]
2 years ago
9

A large bin of mixed nuts contains peanuts, cashews, almonds, and walnuts. Luke scoops out a bowl full of nuts and counts how ma

ny of each type he has: 18 peanuts, 8 cashews, 10 almonds, and 9 walnuts.
Armando scoops out a bowl of 30 nuts. About how many should he expect to be peanuts?

A.4

B.6

C.9

D.12
Mathematics
1 answer:
lina2011 [118]2 years ago
5 0

D.12

In total Luke found 18 peanuts out of 45 nuts- a ratio of 2:5

Armando will expect to find a ratio of 2:5 which is 12 peanuts out of 30 nuts.


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Karlie has a collection of quarters, dimes, and nickels that equal $2.70. If she has 7 quarters and 7 nickels, how many dimes do
iogann1982 [59]

Answer:

22 Dimes

Step-by-step explanation:

4 0
2 years ago
The volleyball team has 41 members. There are 3 more boys than girls how many girls are there?
Pie
19 members are girls
4 0
3 years ago
For his birthday, Tyrone's parents gave him $7,790.00 which they put into a savings account that earns 15% interest compounded m
torisob [31]

Answer:

5 years and 5 months

Step-by-step explanation:

<u />

<u>Compound Interest Formula</u>

\large \text{$ \sf A=P(1+\frac{r}{n})^{nt} $}

where:

  • A = final amount
  • P = principal amount
  • r = interest rate (in decimal form)
  • n = number of times interest applied per time period
  • t = number of time periods elapsed

Given:

  • A = $17,474.00
  • P = $7,790.00
  • r = 15% = 0.15
  • n = 12
  • t = number of years

Substitute the given values into the formula and solve for t:

\implies \sf 17474=7790\left(1+\dfrac{0.15}{12}\right)^{12t}

\implies \sf \dfrac{17474}{7790}=\left(1.0125}\right)^{12t}

\implies \sf \ln\left(\dfrac{17474}{7790}\right)=\ln \left(1.0125}\right)^{12t}

\implies \sf \ln\left(\dfrac{17474}{7790}\right)=12t \ln \left(1.0125}\right)

\implies \sf t=\dfrac{\ln\left(\frac{17474}{7790}\right)}{12 \ln \left(1.0125}\right)}

\implies \sf t=5.419413037...\:years

Therefore, the money was in the account for 5 years and 5 months (to the nearest month).

3 0
1 year ago
Read 2 more answers
Please help anyone and explain please
umka2103 [35]

So if you distribute 4 in the first parentheses, you get 12x+20y+8z.

Then you distribute 3 in the second parentheses. You'll get 3x-3z. That all equals 12x+20y+8z+3x-3z.

Now you have to start combining numbers with the same variable. Start with x. 12x+3x is 15x.

y has no other common variable, it's left alone.

8z-3z is 5z

All together now with the numbers in simpler form, the equation is 15x+20y+5z

Jenna's would be the right answer because when you distribute 5 in her answer you get 15x+20y+5z

5 0
3 years ago
Read 2 more answers
Como se hace el calculo de: 12 + 9a + 18b = ----- * ( ---- + 3a + ----- )
nexus9112 [7]

Answer:

3(4+3a+6b)

Step-by-step explanation:

8 0
3 years ago
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