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34kurt
3 years ago
15

Easy 10 points for the day a challenge question will be given out by me every day so here is the first on. -7+7x30+101/2. There

it is who gets it right first will be the one to have the brainliest answer.
Mathematics
1 answer:
Ksju [112]3 years ago
7 0
The answer is 131/2 that is the answer
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Which property is illustrated by the following statement <br><br> 2x (6) = (6) 2x
igomit [66]

the answer to it is 24X squared but the answer to your question is both are ok they both give u 12X which is 24X squared the way u wrote it lol

4 0
3 years ago
Sally invests £8000 in a savings account. The account pays 2.8% compound interest per year work out the value of her investment
Alborosie

Answer: the value of her investment after 4 years is £8934.3

Step-by-step explanation:

The formula for determining compound interest is expressed as

A = P(1+r/n)^nt

Where

A = total amount in the account at the end of t years

r represents the interest rate.

n represents the periodic interval at which it was compounded.

P represents the principal or initial amount invested.

t represents the duration of the investment in years.

From the information given,

P = 8000

r = 2.8% = 2.8/100 = 0.028

n = 1 because it was compounded once in a year.

t = 4 years

Therefore,

A = 8000(1+0.028/1)^1 × 4

A = 8000(1+0.028)^4

A = 8000(1.028)^4

A = £8934.3 to the the nearest penny

6 0
3 years ago
Is 0.21 rational or irrational
Tanya [424]
A rational number can be made into a fraction
0.21 = 21/100....so it is rational
3 0
3 years ago
Read 2 more answers
Prove: An odd number squared is an odd number. = (2n + 1)2 ​
Mnenie [13.5K]

Answer:

{(2n + 1)}^{2}  = 4 {n}^{2}  + 4n + 1 = 2(2 {n}^{2}  + 2n) + 1

4 0
2 years ago
Michael wants to celebrate 4th July (US Independence Day) by putting together little gifts for his friends. He bought 176 red, 1
shepuryov [24]

Answer:

32

Step-by-step explanation:

2⊥ 96, 112, 176

2     48, 56, 88

2     24, 28, 44

2     12,  14,  22

2      6,   7,   11

Highest common factor= 2x2x2x2x2= 32

7 0
3 years ago
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