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3 years ago

How to solve for x in the following equation x(a-b)=m(x-c)

1 answer:

5 0

Expand,

$xa-xb=mx-mc$

Transfer all "x" terms to one side,

$xa-xb-mx=-mc$

Factor x out of the LHS.

$x(a-b-m)=-mc$

Divide both sides by (a-b-m).

$x= -\frac{mc}{a-b-m}$

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If b is the measure of an acute angle and cos b = 0.75, then:

Marina CMI [18]

Answer:

option (2)

Step-by-step explanation:

Using the cofunction identity

cosx = sin(90 - x) , then

cosb = sin(90 - b) = 0.75

3 0

3 years ago

15 * 4 2/3 please help

Elenna [48]

4 2/3 = 14/3

15 = 15/1

14/3 * 15/1 = 14*15=210, 3*1 = 3

210/3 = 70

answer is 70

3 0

3 years ago

Read 2 more answers

An arithmetic sequence has this recursive formula: <br> A1=5<br> An=an-1-4

Olenka [21]

Answer:

A recursive formula designates the starting term, a1, and the nth term of the sequence, an , as an expression containing the previous term (the term before it), an-1.Find a recursive formula. This example is an arithmetic sequence (the same number, 5, is added to each term to get to the next term).

8 0

3 years ago

Rewrite the quality 827,000,000,000,000 pico second to show :

Ilia_Sergeevich [38]

Answer:

a. 1 sig. fig. _800,000,000,000,000 picoseconds (8 x 10^14 picoseconds)

b. 2 sig. figs. 830,000,000,000,000 picoseconds (8.3 x 10^14 picoseconds)

c. 3 sig. figs. 827,000,000,000,000 picoseconds (8.27 x 10^14 picoseconds)

d. 4 sig. figs. 827,000,000,000,000 picoseconds (8.270 x 10^14 picoseconds)

e. 5 sig. figs. 827,000,000,000,000 picoseconds (8.2700 x 10^14 picoseconds)

Step-by-step explanation:

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3 years ago

Need help plzzzz....need this done by today

ddd [48]

For this case, we must indicate which of the given graphs corresponds to the following inequality:

$y\geq 1-3x$

If we substitute the point $(x, y) = (0,0)$ we have:

$0> = 1-3 (0)\\0> = 1$

It is not met, so we discard options A and C.

It is observed that the lines of option B and D correspond to the equation $y = 1-3x$ . But the dotted line of option B indicates that the region given by: $y> 1-3x$ is plotted

Thus, the region that indicates $y\geq 1-3x$ is option D

Answer:

Option D

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3 years ago