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2 years ago

8

If a, b, and c are prime numbers, do (a + b.and c have a common factor that is greater than 1 ?

1 answer:

valina [46]2 years ago

8 0

Let's do the math. In the example a =2, b = 3, c = 5. If we are trying to see if the sum of these numbers has a common factor more than 1 do the math. 2 + 3 + 5 = 10. Ten has four factors which are 1, 2, 5, and 10. So the answer to your question is yes.

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Y=4x-18<br><br> Find ordered pairs of intercepts of each line

Masja [62]

The ordered pairs for the intercepts are as follows:

x intercept = 9/2

y intercept = -18

In order to find either of these you must put 0's in for the other variable. So, to find the x intercept, we start by putting 0 in for y.

y = 4x - 18

0 = 4x - 18

-4x = -18

x = 9/2

To find the y intercept, we put a 0 in for x.

y = 4x - 18

y = 4(0) - 18

y = 0 - 18

y = -18

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2 years ago

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3 years ago

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Vanyuwa [196]

Umm I though it was 14

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2 years ago

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Lera25 [3.4K]

Answer:

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Step-by-step explanation:

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2 years ago

Which of the following is true about the function y= 4 * 3tothepowerofx

xenn [34]

Only true statement for function f(x) = $4(3^{x})$ is <u>c. if the value of x increases by 1, the value of y will triple</u>.

<u>Step-by-step explanation:</u>

<u>a. the function decreases </u>

f(x) = $4(3^{x})$ , For value of x<1 function decreases and for x>1 function increases . False statement .

<u>c. if the value of x increases by 1, the value of y will triple. </u>

For value of x increases by 1 we have , $f(x) = 4(3^{x+1}) = 4(3^{x})(3) = f(x) (3) = y(3)$ . True statement.

<u>b. the function has a y-intercept of (0, 3) </u>

At y intercept x=0, f(x) = $4(3^{x})$ , $f(0) = 4(3^{0}) = 4$ . Function has a y-intercept of (0,3). False statement.

<u>d. the function contains the point (1, 4)</u>

At x=1, $f(1) = 4(3^{1}) = 12$ . Function contains (1,12) not (1,4) . False statement.

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2 years ago