2 years ago

Liana started to evaluate the function f(x) = 2x2 – 3x + 7 for the input value 2.

Mathematics

2 answers:

Katen [24]2 years ago

6 0

Answer:

(A) 9

Step-by-step explanation:

Thank the other guy

Ne4ueva [31]2 years ago

5 0

Step-by-step explanation:

the answer is 9 i hope it helps

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Step-by-step explanation:

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Why is ac smaller than ad if they both look very close

kakasveta [241]

Let's begin by listing out the information given to us:

We start out by observing that Triangles MKR & ACD are similar or proportional

$\begin{gathered} MK=21;AC=\text{?} \\ MR=24;AD=28\frac{4}{5} \\ KR=CD=\text{?} \end{gathered}$

We will solve for the missing side by using the similar triangle theorem. This is shown below:~

$\begin{gathered} \Delta MKR\approx\Delta ACD \\ \frac{MK}{AC}=\frac{MR}{AD} \\ \frac{21}{AC}=\frac{24}{28\frac{4}{5}} \\ \text{Cross multiply, we have:} \\ 24\cdot AC=28\frac{4}{5}\cdot21 \\ AC=\frac{28\frac{4}{5}\cdot21}{24}=25\frac{1}{5} \\ AC=25\frac{1}{5} \end{gathered}$

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1 year ago

An adult usually has 32 teeth. People sometimes lose some of their teeth. Pat has only 5/8 of her teeth left. How many teeth has

Marizza181 [45]

Answer:

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Step-by-step explanation:

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3 years ago

Read 2 more answers