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2 years ago

7

Liliana correctly answered 92% of the questions on a geography quiz. Lu answered 47 of 50 questions correctly. Who earned the hi

gher score? Explain.

1 answer:

Gnoma [55]2 years ago

3 0

Answer:

Lu

Step-by-step explanation:

.....................m

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Can someone help me on this

balandron [24]

Answer:

7

Step-by-step explanation:

→ Substitute x = -1 into - 5x + 2

-5 × -1 = 5

5 + 2 = 7

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2 years ago

Which of these graphs do not represent constant rates of change? Check all that apply

sweet [91]

The first and last graph

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2 years ago

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Snowcat [4.5K]

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2 years ago

Find three positive integers ( a , b, and c ) such that a4 + b3 = c2

Lena [83]

A = 1
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3 years ago

How do you simplify this expression step by step using trigonometric identities?

olga55 [171]

$\bf \textit{Pythagorean Identities}\\\\ 1+tan^2(\theta)=sec^2(\theta) \\\\[-0.35em] \rule{34em}{0.25pt}\\\\ sec^2(\theta )cos^2(\theta )+tan^2(\theta )\implies \cfrac{1}{\begin{matrix} cos^2(\theta ) \\[-0.7em]\cline{1-1}\\[-5pt]\end{matrix} }\cdot \begin{matrix} cos^2(\theta ) \\[-0.7em]\cline{1-1}\\[-5pt]\end{matrix} +tan^2(\theta ) \\\\\\ 1+tan^2(\theta )\implies sec^2(\theta )$

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3 years ago