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Sloan [31]
3 years ago
10

Please help meeeeeeeee

Mathematics
2 answers:
Drupady [299]3 years ago
7 0
Since the diameter is twice the radius, the diameter is 44.

2*22=44

:) I hope this helps!
Darina [25.2K]3 years ago
4 0
2 x 22 = 44 Thad ur answer
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How many liters of water must be added to 15 liters of 40 % sugar syrup to obtain 30 % sugar syrup?
Ivanshal [37]

Answer:

The amount of water need to be added is 5 liters.

Step-by-step explanation:

Let's "x" be amount of water in (liters) added to 15 liters of 40% of sugar syrup.

Now find the amount of sugar syrup = 40% of 15

= 0.4 × 15

The amount of sugar syrup = 6 Liters

To dilute  30% we need to find amount of water to be added.

So,

30% of (15 + x) = 6

0.3 × (15 + x) = 6

4.5 + 0.3x = 6

0.3x = 6 - 4.5

0.3x = 1.5

Dividing both sides, by 0.3, we get

x = 5

So, the amount of water need to be added is 5 liters.

6 0
3 years ago
Read 2 more answers
An arts academy required there to be 4 teachers for every 64 students and 6 tutors for every 48 students.How many students does
irina [24]

Answer:

1. 16 teachers  2. 8 tutor  3. 6 teachers

Step-by-step explanation:

3 0
3 years ago
Melanie invested $9,800 in an account paying an interest rate of 4.5 compounded quarterly. Amelia invested $9,800 in an account
Zolol [24]

Answer:

$13,082.60 more

Step-by-step explanation:

Melanie:

A=P(1+\frac{r}{n})^(20)\\ A=9800(1+\frac{.045}{4})^(20)\\A=$12,257.36

Amelia:

A=Pe^(rt)\\A=9800e^(.0475*20)\\A=$25,339.95

Amelia-Melanie= $13,082.60

6 0
2 years ago
A state is considering license plates that have two digits followed by four letters. Assuming no combinations are excluded, how
love history [14]

Answer:

32,292,000

Step-by-step explanation:

In your question, it asks how many license plate combinations we could make WITHOUT repeats.

We need some prior knowledge to answer this question.

We know that:

  • There are 26 letters in the alphabet
  • We can make 10 digits (0 - 9)

With the information we know above, we can solve the question.

Since we CAN'T have repeats, we would be excluding a letter or number for each license plate.

We're going to need to multiply each "section" in order to find how many combinations of license plates we can make.

We decrease by one letter and one number in each section since we can't have repeats.

Now, we can solve.

Work:

26*25*24*23*10*9 = 32,292,000

When you're done multiplying, you should get 32,292,000.

This means that there could be 32,292,000 different combinations of license plates.

<h3>I hope this helps you out.</h3><h3>Good luck on your academics.</h3><h3>Have a fantastic day!</h3>
8 0
3 years ago
Read 2 more answers
Hi can I have help please tysm!
Tems11 [23]

Step-by-step explanation:

7 + 21 \\  \\  = 7(1 + 3) \\  \\ is \: the \: answer

8 0
3 years ago
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