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2 years ago

PLEASE HELP!!!! see attachment below… I bet you cant solve this:

Mathematics

1 answer:

d1i1m1o1n [39]2 years ago

3 0

Answer:

Step-by-step explanation:

(-1) $^{i}$ (5!*5/4!) $^{1/2}$ = - $\sqrt{25}$

(-1) $^{i}$ (5!*5/4!) $^{1/2}$ = $\sqrt{25}$

So the sum of the first 100 terms is zero

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What is the value of the expression 6c^2 - 5d + 8, when c=5 and d=4?

Ganezh [65]

Answer:

138

Step-by-step explanation:

6c^2- 5d +8

6(5)^2- 5(4) + 8

6(25) - 5(4) + 8

150 - 5(4) +8

150 - 20 + 8

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3 years ago

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ur welcome

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2 years ago

Hej proszę o szybkie napisanie zad takie: Skalary stanowią 4/7 a mieczyki 5/9 wszystkich rybek w pewnym akwarium. Czy w tym akwa

Kruka [31]

Answer:

The translation of the question is: " Angelfish are 4/7 and gladiolus 5/9 of all fish in a certain aquarium. Are there more angelfish or gladiolus in this aquarium?

The answer is: there are more angelfish.

Explanation:

You have the fraction for both angelfish and gladioulus in a certain aquarium, so you need to compare those fractions to conclude which fraction is greater.

To compare fractions you can divide one by the other. Whether the quotient (the result of the division) is greater than, equal than, or less than one will tell which fraction is greater than the other.

If fraction 1 / fraction 2 > 1 ⇒ fraction 1 is greater than fration 2

If fraction 1 / fraction 2 = 1 ⇒ fraction 1 is equal to fraction 2

If fraction 1 / fraction 2 < 1 ⇒ fraction 1 is less than fraction 2.

Now, lets compare the fish's fractions:

$\frac{\frac{4}{7}}{\frac{5}{9}}=\frac{4}{7}.\frac{9}{5}=\frac{4.9}{7.5}=\frac{36}{35}>1$

Then, you conclude that 4/7 is greater than 5/9, and thus the fraction of angelfish is greater than the fraction of gladioulus: there are more angelfish in the aquarium.

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3 years ago

At a certain time of the day, a tree 15 m tall casts a shadow of 12 m, while a second tree casts a shadow of 20 m. How tall is t

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We can write a proportion: 15 m is to 12 m as some other height $h$ is to 20 m

So we get
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$\rightarrow 15*20=12h$
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So the second tree is 25 m tall.

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3 years ago

Write the linear inequality in slop-intercept form. 4x - 6y ≥ 16

Pachacha [2.7K]

2/3x -8/3 >= y is the answer

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3 years ago

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