3 years ago

How can i solve it? I need to know how to solve iy

Mathematics

1 answer:

natita [175]3 years ago

6 0

All of my resources are saying that this has no inverse.

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Let g(x)=2x and h(x)=x^2+4 find the value. (hog)(a)

lisov135 [29]

In short, (h o g)(a) is just h( g(a) ).

so what we can do is simply get g(a) first and then plug that in h(x).

$\bf \begin{cases}
g(x)&=2x\\
h(x)&=x^2+4\\
(h\circ g)(a)&=h(~~g(a)~~)
\end{cases}
\\\\\\
g(a)=2(a)\implies g(a)=2a
\\\\\\
h(~~g(a)~~)\implies h(~~2a~~)=(2a)^2+4
\\\\\\
h(~~2a~~)=(2^2a^2)+4\implies h(~~2a~~)=4a^2+4$

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4 years ago

Maya is helping a gardener plant 300 bulbs. They plant 20% of the bulbs on Monday and 30% of the bulbs on Tuesday. Maya says thi

Katyanochek1 [597]

Answer:

because the total is 300 not 100 so 50 is not reasonable because that is the percentage they planted and since it is more than 100 then it should be a percent of 300 not 100. Maya is wrong about placing 50 bulbs instead they placed 150.

Step-by-step explanation:

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3 years ago

Hamdan says that when you add fractions with the same denominator, you can add the numerators and keep the same denominator. Is

Elina [12.6K]

Answer:

Yes, Hamdan is correct.

Step-by-step explanation:

Let the two fractions are q/r and s/r.

Here, the denominator is same for both the fractions.

So, as we add them, add the numerators and the denominators remains same.

$\frac{q}{r}+\frac{s}{r}\\\\=\frac{q + s}{r}$

For example

$\frac{3}{5}+\frac{4}{5}\\\\=\frac{3 + 4}{5}\\\\=\frac{7}{5}$

So, Hamdan is correct.

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3 years ago

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Answer:

Step-by-step explanation:

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Jennifer has 7 marbles in her bag. She has 4 blue, 1 white, 1 pink, and 1 yellow. She chooses one marble without looking. What i

lesantik [10]

In Jennifer's bag, there are 7 marbles. Out of 7 marbles, 4 of them are blue.

Hence, the probability that Jennifer picks one blue marble is 4/7. (Option 1).

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1 year ago