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3 years ago

Need help sorry to bother please help I don't get it.

Mathematics

1 answer:

poizon [28]3 years ago

3 0

so it says 6 times as old as June

so that would be 6x

then it said the sum so that's addition is no less than so that's subtraction

so it would be

X because we June's father age

so x times 6 > 77

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Solve the following formula for m C = amt m = Answer as expression

d1i1m1o1n [39]

M=c/at

Divide both sides by a and t to isolate m. Then the solution is just m=c/at

4 0

3 years ago

If f(x)= 5x + 4 and g(x) = 1/2x find , a) fg(5)

Veseljchak [2.6K]

Answer:

f(g(5)) = 16.5

Step-by-step explanation:

To calculate f(g(5)), evaluate g(5) then substitute the value obtained into f(x)

g(5) = $\frac{1}{2}$ × 5 = 2.5 , then

f(2.5) = 5(2.5) + 4 = 12.5 + 4 = 16.5

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3 years ago

Read 2 more answers

8. A box is filled with candies in different colors. We have 40 white candies, 24 green ones, 12

Darya [45]

Answer:

$P(Green\ or\ Red) = 0.30$

Step-by-step explanation:

Given

$White = 40$

$Green = 24$

$Red = 12$

$Yellow = 24$

$Blue = 20$

Required

$P(Green\ or\ Red)$

The total numbe of candy is:

$Total = 40 + 24 + 12 + 24 + 20$

$Total = 120$

This probability is calculated as:

$P(Green\ or\ Red) = P(Green) + P(Red)$

For each, we have:

$P(Green\ or\ Red) = \frac{Green}{Total} + \frac{Red}{Total}$

Take LCM

$P(Green\ or\ Red) = \frac{Green+Red}{Total}$

$P(Green\ or\ Red) = \frac{24+12}{120}$

$P(Green\ or\ Red) = \frac{36}{120}$

$P(Green\ or\ Red) = 0.30$

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3 years ago

Give an example of a quadratic with complex roots. Explain how you know it has complex roots.

Vladimir [108]

2x^2 + x + 3=0 has only complex roots.

The determinant is 1-4*2*3 = -23

-23 (or any determinant) is the part under the square root sign, If that determinant is negative, knowing you cannot take the square root of a negative number, we know the answers must be complex.

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3 years ago

Verdadero o falso: Q (números racionales) ∩ I (números irracionales) = Ø. Porque?

ozzi

Answer:

I think true but can u translate to english so I could understand

7 0

3 years ago