3 years ago

Find the product of the solutions of this equation. 15x^2+23x-41=0

Mathematics

1 answer:

Soloha48 [4]3 years ago

8 0

(x + 7) • (x + 6) =0<span>
</span>

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[] divided 1/3 =6/7.

Ganezh [65]

Answer:

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Step-by-step explanation:

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2 years ago

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What is value of the expression -2r/5s if r = -1/4 and s = 4/5?

Tanzania [10]

I don't know if this is right but 0.125

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3 years ago

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the weight M of an object on Mars varies directly as it’s weight E on Earth. A person who weighs 95 lb on Earth weighs 38 lb on

lorasvet [3.4K]

Answer:

A 100 lb person will weight 40 lb on Mars

Step-by-step explanation:

Given:

Weight on Mars directly varies as its weight on earth.

Let weight on Mars be = $M$

Let weight on Earth be = $E$

Its known that:

$M$ ∝ $E$

Thus

$M=kE$

where $k$ is constant of proportionality.

when $E=95\ lb$ , then $M=38\ lb$

thus, we have

$38=k(95)$

dividing both sides by 95.

$\frac{38}{95}=\frac{k(95)}{95}$

∴ $k=\frac{38}{95}$

Thus when $E= 100$ , $M$ would be calculated as

$M=\frac{38}{95}\times 100$

$M=\frac{3800}{95}$

∴ $M=40\ lb$ (Answer)

∴ A 100 lb person will weight 40 lb on Mars.

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3 years ago

1/3y=3<br> Find the value of y

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Answer is 1/9
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3 years ago

What is the real part of the complex number when 4 plus 5i is multiplied with 2 minus i?

Nady [450]

Answer:

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Step-by-step explanation:

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