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julia-pushkina [17]
3 years ago
14

The sum of the squares of two numbers is 8 . The product of the two numbers is 4. Find the numbers.

Mathematics
1 answer:
adell [148]3 years ago
4 0

Explain:The sum of the squares of two numbers is 8 . The product of the two numbers is 4. Find the numbers.

i hope this helps abit

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An amount of $4000 was deposted in a bank of 7% compounded quarterly for 2 years. The rate the increased to 10% and was compound
GarryVolchara [31]

Answer:

  $5599.20

Step-by-step explanation:

The quarterly interest rate for the first two years was ...

  7%/4 = 0.0175

So, the multiplier each quarter for those 8 quarters was 1+0.0175 = 1.0175. At the end of the first 8 quarters, the account value had been multiplied by ...

  1.0175^8

For the next 8 quarters, the quarterly interest rate was 10%/4 = 0.025. So at the end of those 8 quarters, the balance had been multiplied by ...

  1.025^8

Then the balance at the end of 4 years was ...

  $4000(1.0175^8)(1.025^8) ≈ $5599.20

The balance was $5599.20.

6 0
3 years ago
Explain why 3(5x) does not equal to (3 times 5)(3times x)
Anit [1.1K]

Answer:

Because 3(5x) is the same as 3 *5 * x

Step-by-step explanation:

When a number is next to another in parantheses, it signifies multiplication. In this case, we already have 5 and x grouped together by a multiplication sign, so the entire thing is 5 * x. The statement below is key

Distribution in multiplication is only possible if a variable is grouped to another real number by a plus or minus sign.

So in this case, we have 3 * 5 * x, which is 15x. However, if we had 3(5 + x), we would have 15 (3 * 5) + 3x (3 * x).

Hopefully that makes sense!

7 0
3 years ago
If f(x)= 5x + 40, what is f(x) when x = -5?
kap26 [50]

Answer:

f(x) = 15

Step-by-step explanation:

"If f(x)= 5x + 40, what is f(x) when x = -5?"

Substitute x for -5:

f(x) = 5x + 40

f(x) = 5(-5) + 40

f(x) = -25 + 40

f(x) = 15

6 0
3 years ago
(-5q^2 + 6q + 7) - (-q^2 + 4q)
beks73 [17]

Steps to solve:

(-5q^2 + 6q + 7) - (-q^2 + 4q)

~Distribute the left side

-5q^2 + 6q + 7 + q^2 - 4q

~Combine like terms

-4q^2 + 2q + 7

Best of Luck!

5 0
3 years ago
Read 2 more answers
Kayak: $329.95, 33% off find the discount price
mafiozo [28]

Answer:

$221.07

Step-by-step explanation:

To find the discount price, you do 329.95*.67= 221.0665

221.0665 is rounded to 221.07

Hope this helps!

6 0
3 years ago
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