2 years ago

Si la gráfica de coseno es negativa tiene forma de montaña?

Mathematics

1 answer:

Annette [7]2 years ago

3 0

Answer:

Step-by-step explanation:

El gráfico aumentará antes de llegar a su vértice y luego volverá a caer a la línea original del origen.

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How many solutions does the system have? \begin{cases} 5y =15x-40 \\\\ y = 3x-8 \end{cases} ⎩ ⎪ ⎪ ⎨ ⎪ ⎪ ⎧ 5y=15x−40 y=3x−8 C

Ksenya-84 [330]

Answer:

Step-by-step explanation:

Converting the lines into the from $ax+by+c=0$

$5y=15x-40\\\Rightarrow 15x-5y-40=0$

$y=3x-8\\\Rightarrow 3x-y-8=0$

$\dfrac{a_1}{a_2}=\dfrac{15}{3}=5$

$\dfrac{b_1}{b_2}=\dfrac{-5}{-1}=5$

$\dfrac{c_1}{c_2}=\dfrac{-40}{-8}=5$

So, $\dfrac{a_1}{a_2}=\dfrac{b_1}{b_2}=\dfrac{c_1}{c_2}$ .

Hence, these lines have infinitely many solutions.

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2 years ago

Elizabeth can run 3/4 mile in 1/10 of an hour. What is her speed in miles per hour?

Temka [501]

0.75 miles per hour I think....

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2 years ago

15 points! Please help me with this question

Galina-37 [17]

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Write the expression in exponential form.<br> log 3^9= 2

denis23 [38]

Answer: 3^2

Step-by-step explanation:

remember logb a=n <---> a=b^n

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