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ad-work [718]
3 years ago
6

PLEASE HELP ME!

Mathematics
1 answer:
Ilya [14]3 years ago
5 0

Answer:

(a) 8.3 x 4.9  = 40

(b) 12.1 x 2.95   = 36

(c) 60.94 ÷ 5.7  = 10

(d) 32.79 ÷ 3.1  = 11

Step-by-step explanation:

Here, the given expressions are:

<u>(a) 8.3 x 4.9 </u>

Now, here 8.3 can be  approximated as 8

4.9 can be approximated as  5.0

So,  8.3 x 4.9  ≈ 8 x 5  = 40

Hence, the suitable estimated product for   8.3 x 4.9  = 40

<u>(b) 12.1 x 2.95 </u>

Now, here 12.1 can be  approximated as 12.

2.95 can be approximated as  3.0

So,  12.1 x 2.95   ≈ 12 x 3   = 36

Hence, the suitable estimated product for   12.1 x 2.95   = 36

<u>(c) 60.94 ÷ 5.7  </u>

Now, here 60.94 can be  approximated as 61.

5.7 can be approximated as  6

So, 60.94 ÷ 5.7   ≈ 61  ÷   6   = 10 . 16

Hence, the suitable estimated quotient for  60.94 ÷ 5.7  = 10

<u>(d) 32.79 ÷ 3.1 </u>

Now, here 32.79 can be  approximated as 33.

3.1 can be approximated as 3.

So, 32.79 ÷ 3.1   ≈ 33  ÷ 3   = 11

Hence, the suitable estimated quotient for   32.79 ÷ 3.1  = 11

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0.52

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Please help me w the answer
evablogger [386]

Answer:

\frac{2(x-6)(x-10)}{(x-4)(x-5)}

Step-by-step explanation:

In essence, one needs to work their way backwards to solve this problem. Use the information to construct the function.

The function has verticle asymptotes at (x = 4) and (x = 5). This means that the denominator must have (x - 4) and (x - 5) in it. This is because a verticle asymptote indicates that the function cannot have a value at these points, the function jumps at these points. This is because the denominator of a fraction cannot be (0), the values (x - 4) and (x - 5) ensure this. Since if (x) equals (4) or (5) in this situation, the denominator would be (0) because of the zero product property (this states that any number times zero equals zero). So far we have assembled the function as the following:

\frac{()}{(x-4)(x-5)}

The function has x-intercepts at (6, 0), and (0, 10). This means that the numerator must equal (0) when (x) is (6) or (10). Using similar logic that was applied to find the denominator, one can conclude that the numerator must be ((x - 6)(x-10)). Now one has this much of the function assembled

\frac{(x-6)(x-10)}{(x-4)(x-5)}

Finally one has to include the y-intercept of (0, 120). Currently, the y-intercept is (60). This is found by multiplying the constants together. (6 * 10) equals (60). One has to multiply this by (2) to get (120). Therefore, one must multiply the numerator by (2) in order to make the y-intercept (120). Thus the final function is the following:

\frac{2(x-6)(x-10)}{(x-4)(x-5)}

6 0
3 years ago
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