3 years ago

Will be marked brainliest if answered correctly

Mathematics

2 answers:

alexandr402 [8]3 years ago

8 0

Answer:

the second one

Step-by-step explanation:

lozanna [386]3 years ago

7 0

Answer:

Hope that answers your question

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suppose y varies directly with x, and y = 8 when x = -6. what direct variation equation relates x and y? what is the value of y

Kisachek [45]

$\bf \qquad \qquad \textit{direct proportional variation}\\\\
\textit{\underline{y} varies directly with \underline{x}}\qquad \qquad y=kx\impliedby 
\begin{array}{llll}
k=constant\ of\\
\qquad variation
\end{array}\\\\
-------------------------------\\\\
\textit{we also know that }
\begin{cases}
y=8\\
x=-6
\end{cases}\implies 8=k(-6)\implies \cfrac{8}{-6}=k
\\\\\\
-\cfrac{4}{3}=k\qquad therefore\qquad \boxed{y=-\cfrac{4}{3}x}
\\\\\\
\textit{when x = -2, what is \underline{y}?}\qquad y=-\cfrac{4}{3}(-2)$

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3 years ago

The total cost of 2 bracelets and 3 necklaces is $15.50. The total cost of 4 bracelets and 1 necklace is $13.50. Let b represent

Kaylis [27]

Answer:

$2.50

Step-by-step explanation:

b = cost of bracelet

n = cost of necklace

2b+3n = 15.50

4b+1n = 13.50

Multiply the first equation by -2

-4b -6n = -31

4b +n = 13.50

---------------------------

-5n = -17.50

Divide each side by -5

-5n/-5 = -17.5/-5

n = 3.50

Now we can find b

4b+n = 13.50

4b+3.50 = 13.50

4b+3.50-3.50 = 13.50 -3.50

4b = 10

Divide by 4

4b/4 = 10/4

b = 2.50

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3 years ago

What is the theoretical probability of the spinner landing on Elisondra’s section?

WARRIOR [948]

Answer:

1/4

Step-by-step explanation:

Just did this.

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3 years ago

For two weeks, Mario recorded the color of the traffic light at the intersection of Main Street and North Avenue as his bus appr

GaryK [48]

A because that's the only one with matching data.

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3 years ago

Read 2 more answers

Cscθ - sinθ = _____

galina1969 [7]

So you maybe know that $\csc x = \frac{1}{\sin x}$ . Now let us try to simplify the expression

$\csc x - \sin x = \frac{1}{\sin x} - \sin x = \frac{1}{\sin x} - \frac{\sin^2 x }{\sin x}=\frac{1-\sin^2 x}{\sin x} =$

$= \frac{\cos^2 x}{\sin x} = \cot x \cdot \cos x$

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4 years ago