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2 years ago

Please help me with question 3 here

Mathematics

1 answer:

butalik [34]2 years ago

5 0

Answer:

y = (1/2)x + 2, in which 1/2 represents a fraction.

Step-by-step explanation:

Remember your formula y = mx + b; where m is the slope, and b is the y-intercept.

Now, simply look for the y-intercept (should be 0, 2), and plug in the x value in for the b.

The equation is now y = mx + 2.

For the next part, you'll find the slope; forewarning is that it doesn't matter how you do it, as long as you do it right. You can either use the slope formula, but I like to do rise over run. They're the same thing. If you don't know what rise over run is, look it up, it's pretty easy to understand. If not just do the slope formula.

Anyways, you need to grabs two different points that plot on the line; let's say (0, 2) and (2, 3). If you do the formula it should be (3 - 1) / (2 - 0). This will get you your 1/2.

Plug that into m, and your formula should be y = (1/2)x + 2, where 1/2 is a fraction.

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BRAINLIEST AWARD NO.2

zzz [600]

Answer:

A whole number first term to render as fifth term a value larger than 10000, should be at least 121

Step-by-step explanation:

The formula is given as recursive since it involves the previous number of the sequence, and defined as:

$a_n=a_{n-1}*3+6$

we also know that the first term is 4

Then in this case, the first five terms are:

$a_1=4\\a_2=4*3+6=18\\a_3=18*3+6=60\\a_4=60*3+6=186\\a_5=186*3+6=564\\$

So if we want to find the first term in the case that the fifth one is greater than 10,000 using this recursive formula, now we have to start backwards, and say that the fifth term is "> 10000" and what the fourth one is.

Notice that if you have this definition for the nth term, we can obtain from it, what the previous term is to find the general rule:

$a_n=a_{n-1}*3+6\\a_n-6=a_{n-1}*3\\\frac{a_n-6}{3} = a_{n-1}\\a_{n-1}=\frac{a_n}{3} -2$

So the rule is to subtract 6 from he term, and divide the subtraction by 3. Then working backwards:

$a_5>10000\\\frac{a_5}{3} -2>\frac{10000}{3} -2\\a_4>=\frac{10000}{3} -2\\\frac{a_4}{3} -2>\frac{\frac{10000}{3}-2}{3}-2 =\frac{10000}{9}-\frac{8}{3} \\a_3>\frac{10000}{9}-\frac{8}{3} \\\frac{a_3}{3} -2>\frac{\frac{10000}{9}-\frac{8}{3} }{3} -2=\frac{10000}{27} -\frac{8}{9} -2=\frac{10000}{27} -\frac{26}{9}\\a_2=\frac{10000}{27} -\frac{26}{9}\\\frac{a_2}{3} -2>\frac{\frac{10000}{27} -\frac{26}{9}}{3} -2=\frac{10000}{81} -\frac{80}{27} \\a_1>\frac{10000}{81} -\frac{80}{27}\approx 120.49$

therefore, the starting first term should be at least about 121 to give a fifth term larger than 10,000

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2 years ago

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Answer:

Step-by-step explanation:

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2 years ago

Find the measure of the missing angles. 147° d = e = f=

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Answer:

D = 90°

E = 147°

F = 33°

Step-by-step explanation:

E is 147°, because it is vertical to the angle 147°

F is 33°, because 147* is its supplementary angle, or angles that add up to 180°

D is worth 90°, because its supplement is worth 90°

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disa [49]

Answer:

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a real estate agent earns a commission on a house she sells her commision is 5% on the first $500,000 of the sale

ki77a [65]

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