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3 years ago

What is the value of x in the solution to the system of linear equations?

Mathematics

1 answer:

Romashka [77]3 years ago

6 0

Answer:

i think it is C

Step-by-step explanation

are the only equivalent answer to y and v

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Which are perfect square trinomials? Select two options. x2 − 9 x2 −100 x2 − 4x + 4 x2 + 10x + 25 x2 + 15x + 36

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Answer:

C and D

Step-by-step explanation:

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2 years ago

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Which scenario would result in 12 possible outcomes?

Gnesinka [82]

Answer:

You roll a number cube, and then you flip a coin.

Step-by-step explanation:

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2 years ago

Which graph represents the function. H(x)=

scZoUnD [109]

Answer:

See attached picture.

Step-by-step explanation:

h(x) has two functions in it. It has y = x and y =-x. Both have a slope of 1 or -1 and are diagonal lines. This means only 2 graphs of the four choices are possible answers.

Notice that y = -x has an interval that is greater than or equal to. This means it is marked with a closed or filled in dot at its start. This means choice B is the correct choice.

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2 years ago

Simplify. 3/5 +(− 1/4 ) 7/10 Enter your answer, in simplest form, in the boxes.

vitfil [10]

3/5+(-7/40)

=3/5-7/40

=24/40-7/40

=17/40

8 0

3 years ago

Read 2 more answers

HEEELP

Drupady [299]

Answer: (c)

Step-by-step explanation:

Given

$f(x)=\dfrac{1}{x-3}\\\\g(x)=\sqrt{x+5}$

Here, $\sqrt{x+5}\ \text{is always greater than equal to 0}\\\Rightarrow x+5\geq 0\\\Rightarrow x\geq -5\quad \ldots(i)$

To get $f\left(g(x)\right)$ , replace $x$ in $f(x)$ by $g(x)\ \text{i.e. by}\ \sqrt{x+5}$

$\Rightarrow f\left(g(x)\right)=\dfrac{1}{\sqrt{x+5}-3}\\\\\text{Denominator must not be equal to 0}\\\\\therefore \sqrt{x+5}-3\neq0\\\Rightarrow \sqrt{x+5}\neq 3\\\Rightarrow x+5\neq 9\\\Rightarrow x\neq 4\quad \ldots(ii)$

Using $(i)$ and $(ii)$ it can be concluded that the domain of $f\left(g(x)\right)$ is all real numbers except 0.

Therefore, its domain is given by

$x\in [-5,4)\cup (4,\infty)$

Option (c) is correct.

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2 years ago