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3 years ago

Write (2X -5)^2 as a tri nominal

Mathematics

2 answers:

Illusion [34]3 years ago

8 0

Answer:

4x² - 20x + 20

Step-by-step explanation:

(a - b)² = a² - 2ab + b²

a = 2x ; b = 5

(2x- 5)² = (2x)² - 2*2x*5 + 5² {(2x)² = 2x * 2x = 4x²}

= 4x² - 20x + 25

bezimeni [28]3 years ago

5 0

Answer:

(2X -5)^2 as a tri nominal:

2x+2x-10

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(a) 6 hours and 45 minutes

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2 years ago

The Monthly Bank pays 3 percent interest, compounded monthly, on their savings accounts. The Daily Bank pays 3 percent interest,

Novosadov [1.4K]

Answer:

The amount that we should deposit in each bank is around $942.

Step-by-step explanation:

Case 1:

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The compound interest formula is :

$A=p(1+\frac{r}{n})^{nt}$

Substituting values in the formula;

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$p=\frac{1000}{1.06175}$

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Case 2:

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p = ?

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=> $1000=p(1.0000822)^{730}$

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The amount that we should deposit in each bank is around $942.

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3 years ago

Read 2 more answers

Harry Potter decides it’s too cold for him to stay in Hogwarts and wants to fly straight south. He is not sure where to point hi

GrogVix [38]

Harry Potter decides it’s too cold for him to stay in Hogwarts and wants to fly straight south, the heading he should have and the velocity of the broom with respect to the ground are mathematically given as

VR = 20, 699 m/s South

<h3>What is the heading he should have and the velocity of the broom with respect to the ground?</h3>

Divide horizontal and vertical components of Vs and Vw vectors

For Vs

Vs = Vs cos∅ [s] + Vs Sin∅ [w]

Vs = 18 Co58 [s] + 18 sin∅ [w]

For Vw

Vw = Vw Cos 55' [s] + Vw Sin 55 [E]

5.8333 x Cos 55 (s) + 5-8333 Sin 55 [E]

Vw = 3.3458 [s] + 4.7783 [E]

Resultant velocity VR = Vs + Vw

VR= 18 Coso (s) + 18 sine [w] +3.3458 (5) +42783 (E)

VR = (186030 +3.3458) [5] + (18sing - 4.7183)6]

(Harry Potter) flies south

18sin∅ - 4.7783 18=0

Hence

Sin∅ = 4.7783 18/18

∅ =sin{-1}(4.7783 18/18)

∅ = 15.3943

Harry Potter flies in the direction south to ∅ = $15.3943w]

Hence velocity

VR = (18 cos∅ + 35452) s + 0

VR = (17.3541 +3-3458) s

VR = 20, 69999 m/s South

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2 years ago

Q-The circumference of the circle is also sometimes called:

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