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3 years ago

The net of a square pyramid is shown in the diagram.

Mathematics

2 answers:

yanalaym [24]3 years ago

7 0

Answer:

208

............

LenaWriter [7]3 years ago

3 0

Answer:

the general formula for the total surface area of a regular pyramid isbT. S. A. =12pl+B where p represents the perimeter of the base

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A swimmer swam 48 kilometers in d days. What is the value of d if the swimmer swam an average of 3.2 kilometers daily?

DedPeter [7]

D = 15!

48 kilometers divided by 3.2 kilometers = 15. To prove this, 3.2 multiplied by 15 equals 48.

6 0

3 years ago

What is the answer to -28 + 38

anzhelika [568]

What if I wrote + 38 - 28 .

Would you be able to solve it that way ?

They're both the same number.

6 0

3 years ago

PLEASE HELP ME FOR BRAINLIEST!!!!

lana [24]

Use cosine rule and sine rule

3 0

3 years ago

Answer Please!!<br>I will brainlist him/her

NeTakaya

Answer:

11 : 4

12 : 4 / 4

13 : 6/6

14 : 12 / 4

15: 9/3

16: 4/4

17: 15/5

18: 6/2

19: 10/5

20: 6/6

5 0

2 years ago

What is the exact time t, in years, needed for the balance of an account that earns 5% annual 8. Interest compounded continuousl

Brums [2.3K]

Answer:

It takes 22.52 years for the balance to triple in value.

Step-by-step explanation:

Continuous compounding:

The amount of money earned using continuous compounding is given by the following equation:

$A(t) = A(0)(1+r)^t$

In which A(0) is the initial amount of money and r is the interest rate, as a decimal.

Interest rate of 5%.

This means that $r = 0.05$ , and thus:

$A(t) = A(0)(1+r)^t$

$A(t) = A(0)(1+0.05)^t$

$A(t) = A(0)(1.05)^t$

Time for the balance to triple?

This is t for which $A(t) = 3A(0)$ . So

$A(t) = A(0)(1.05)^t$

$3A(0) = A(0)(1.05)^t$

$(1.05)^t = 3$

$\log{(1.05)^t} = \log{3}$

$t\log{1.05} = \log{3}$

$t = \frac{\log{3}}{\log{1.05}}$

$t = 22.52$

It takes 22.52 years for the balance to triple in value.

3 0

3 years ago