2 years ago

Please helpppppppjshdbdjshjdbdjdjsbdnd

Mathematics

1 answer:

melamori03 [73]2 years ago

7 0

The answer is the first one so A

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Simplify the following expression.

HACTEHA [7]

Remember that exponentioal rule
x^m times x^n=x^(m+n)
therefor
7^4 times 7^-6=7^(4-6)=7^(-2)
remember the other rule
x^-m=1/(x^m) so
7^-2=1/(7^2)=1/49
answe ris A

5 0

3 years ago

An amount of 25,000 is borrow for 15 years at 5.5% interest, compounded annually. If the loan is paid in full at the end of that

Airida [17]

Answer: $55,811.91$

Step-by-step explanation:

Given

Principal amount is 25,000

Time Period is $t=15\ yr$

Rate of interest $r=5.5\%$

Amount in compound interest is given by

$\Rightarrow A=P\left(1+r\%\right)^t$

Insert the values

$\Rightarrow A=25,000(1+\dfrac{5.5}{100})^{15}\\\\\Rightarrow A=25,000(1.055)^{15}\\\Rightarrow A=55,811.91$

Therefore, $55,811.91$ must be paid back

7 0

3 years ago

Help pleaseeeee?????

BARSIC [14]

H i think is the answer

4 0

3 years ago

Please can someone find X! Please!

allochka39001 [22]

Answer: x=26

Explanation:
24^2+10^2= 676
Sqrt 676 = 26

6 0

3 years ago

Find the average value of the function over the given interval and all values of x in the interval for which the function equals

MrRissso [65]

The average value of $f(x)=4x^3-3x^2$ over [-1, 3] is

$\displaystyle\frac1{3-(-1)}\int_{-1}^3(4x^3-3x^2)\,\mathrm dx=\frac14\left(x^4-x^3\right)\bigg|_{-1}^3=\frac{(3^4-3^3)-(1+1)}4=\boxed{13}$

8 0

3 years ago