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3 years ago

What is 2 3/7 X78.....???

Mathematics

1 answer:

PolarNik [594]3 years ago

3 0

Answer:

189.1

Step-by-step explanation:

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If each dozen cost $3.70 what should be the selling price be if he wants to make an 80% profit?

klemol [59]

Answer: $6.66

Explanation:
3.70 multiplied by 0.80 = 2.96.
3.70 + 2.96 = $6.66

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3 years ago

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M/7 + 1 = 6 ? What is it equal too

jasenka [17]

Answer: M= 35

The correct answer to m/7 + 1 = 6 is M = 35

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3 years ago

Find the slope-intercept form of the

3241004551 [841]

Parallel lines have the same slope.
So I plug in the -5 and -4
-4 = 1/2(-5) + b
-4 = -2.5 + b
b = -1.5

So I get y = 1/2x - 3/2

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3 years ago

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Ksivusya [100]

She can make 8

48/6=8
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3 years ago

3. Let sin 21 = 0.358. What is the value of x for cos x=0.358?

r-ruslan [8.4K]

Answer:

$\cos(69)$

Step-by-step explanation:

We will use the co-function identity for sine, where:

$\sin(x)=\cos(90-x)$

Since sin(21)=0.358=cos(x). This means that:

$21=90-x$

Solve for x. Add x to both sides:

$x+21=90$

Subtract 21 from both sides:

$x=69\textdegree$

Hence:

$\sin(21)=\cos(69)\approx0.358$

6 0

3 years ago