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3 years ago

Express y in terms of x

Mathematics

2 answers:

sertanlavr [38]3 years ago

8 0

Answer:

y = 3x

Step-by-step explanation:

to get y we multiply x by 3 so we have that y = 3x.

ArbitrLikvidat [17]3 years ago

4 0

The correct answer is y = 3x! :)

Explanation:
Plug in for each variable.
(2, 6): 6 = 3(2) TRUE
(4, 12): 12 = 3(4) TRUE
(6, 18): 18 = 3(6) TRUE

(Also, I would love to get brainliest!)

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I need to know how to do this one.

Dennis_Churaev [7]

Answer:

$x \approx 11.6906$

I made the assumption those were right triangles.

Step-by-step explanation:

I like your 30 there.

I found the length in orange by doing 55-30=25.

Now we can try to find the length in light purple by doing orange length plus the length you found which is 25+30=55.

So we can use a trig function to find $x$ .

I made another picture to focus our problem more.

Now if you look at the triangle we have here and refer to trig right triangle definitions, we can setup an equation form this.

The opposite side of the angle, whose measurement is $12$ degrees, is $x$ .

The adjacent side of the angle, whose measurement is $12$ degrees, is $55$ .

So I will use the tangent ratio.

$\tan(12^\circ)=\frac{\text{opposite}}{\text{adjacent}}$

$\tan(12^\circ)=\frac{x}{55}$

Multiply both sides by 55:

$55 \cdot \tan(12^\circ)=x$

Now it is handy dandy calculator punching in time:

$11.6906 \approx x$

$x \approx 11.6906$

3 0

3 years ago

A contractor purchases 7 dozen pairs of padded work gloves for $103.32. He incorrectly calculates the unit price at $14.76 per p

Aneli [31]

They didn’t multiply 7 by 12, making it seven dozen

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3 years ago

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Using factoring, which values are the solutions to the quadratic equation 2m2+7m−30=0?

Luden [163]

Answer:

B: m = -6 or m = 5/2

Explanation:

$\rightarrow \sf 2m^2 +7m - 30 = 0$

breakdown

$\rightarrow \sf 2m^2 +12m -5m- 30 = 0$

take out common factor

$\rightarrow \sf 2m(m +6) -5(m+ 6) = 0$

collect into groups

$\rightarrow \sf (2m -5)(m+ 6) = 0$

set to zero

$\rightarrow \sf 2m -5=0, \ m+ 6 = 0$

change sides

$\rightarrow \sf m=2.5, \ m= -6$

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Kisachek [45]

Answer:

it is -12, -6, -4, -3, 1, 4

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3 years ago

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Mr Wiggins buys 100 bags of candy for $5. What is the cost per bag?

GaryK [48]

Answer:

Step-by-step explanation:

$5= 500cents

500÷100=5

5 cents per bag of candy

6 0

3 years ago

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