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n200080 [17]
3 years ago
10

1/5 of 45 is what number? hurry!

Mathematics
2 answers:
ollegr [7]3 years ago
7 0

Answer:

The answer is 9. I hope this helps

Nitella [24]3 years ago
3 0

Answer: 75 or 15

Step-by-step explanation:

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Delaney would like to make a 5 lb nut mixture that is 60% peanuts and 40% almonds. She has several pounds of peanuts and several
Alchen [17]

Answer:

a) The system that models the situation is:

p + 0.2m = 3

p + m = 5

b) The solution of the system is:

m = 2.5

p = 2.5

Step-by-step explanat:

It is desired to obtain 5 pounds of a mixture containing 40% peanuts and 60% almonds.

It has a mixture of 20% peanuts and 80% almonds.

p: number of pounds of peanuts

m = amount of mixture

The equation that represents the amount of peanut and mixture that is needed is:

p + m = 5 pounds

m = 5-p (i)

The amount of peanut in total that the mixture should have is:

p + 0.2m = 0.6 (5)

p + 0.2m = 3 (ii)

a) The system that models the situation is:

p + 0.2m = 3

p + m = 5

Now we substitute (i) in (ii) and clear p.

p + 0.2 (5-p) = 3

p-0.2p = 2

p = 2.5 pounds

Now we find m

m = 5 - 2.5

m = 2.5 pounds

b) The solution of the system is:

m = 2.5

p = 2.5

7 0
3 years ago
Identify the vertex and axis of symmetry.<br> f(x) = 3(x+7)²-5
Verizon [17]

Answer:

haiii i can only solve for the vertex...

Step-by-step explanation:

so to find the vertex you have to make it to

y - h = a(x - k)^2

i think

(you could also just make it y = a(x - k)^2 + h but i like the second one better)

soo

y + 5 = 3(x + 7)^2

the vertex is

(-7, -5)

and ummm i think the axis for the axis of symmetry .ss

x = 2a/b but im not sure

5 0
2 years ago
Read 2 more answers
What is the probability of getting heads while flipping a coin and getting a number greater than or equal to 5 when rolling a si
iogann1982 [59]
So 1/2 for the Coin and 2/6 or 1/3 for the Coin 

So you need to add them

1/2 + 1/3 

you'll multiple the Numerators and denominators

1x1= 1

2x3= 6

Answer: So you have  1/6 chance of flipping a Coin on heads and also rolling 5 or greater on a dice :)
7 0
3 years ago
Which of these prices is lower that 8 for $10.00?
nika2105 [10]
No options are given. You might have to resubmit you question.
7 0
3 years ago
At a private​ school, each​ first-year student is sorted into one of four houses. if 4 students are randomly selected from 19 av
ANEK [815]

21% that they at the four youngest


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2 years ago
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