Mathematics: I need help with this test I’m online school and my teacher sucks at teaching plz help!!

Step-by-step explanation:GivenRate of interest time period Amount Amount in compound interest is given by where, Insert the valuesSo, Praise starts with...

I need help with this test I’m online school and

Ответ:

gaby8282

06.12.2020

Mathematics

38°

Step-by-step explanation:

The figure given is a triangle.

Sum of angles in triangle = 180°

So;

∠D + ∠E + ∠F = 180°

( 5x - 2) + (9x + 3) + (11x - 21) = 180

5x -2 + 9x + 3 + 11x -21 = 180

25x -20 = 180

25x = 200

x = 8

Now since ∠D = 5x -2;

∠D = 5(8) - 2 = 38°

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Ответ:

Yuii

17.10.2022

Mathematics

$\$2297.47$

Step-by-step explanation:

Given

Rate of interest $r=4.5\%$

time period $t=10\ year$

Amount $A=\$3567.91$

Amount in compound interest is given by

$\Rightarrow A=P[1+r\%]^t$

where, $P=\text{Principal}$

Insert the values

$\Rightarrow 3567.91=P[1+0.045]^{10}\\\\\Rightarrow P=\dfrac{3567.91}{1.5529}\\\\\Rightarrow P=\$2297.47$

So, Praise starts with $\$2297.47$

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I need help with this test I’m online school and my teacher sucks at teaching plz help!!

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