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3 years ago

10

Help please))))))))))

1 answer:

viva [34]3 years ago

4 0

I only know (b) and 28 (c)
(b) Multiples of 120= 120,240,360,480,600
Multiples of 150= 150,300,450,600
Both numbers have 600 as their first common multiple so the ANSWER is 600
28. (a) Common factors of 24= 1,2,3,4,6,8,12,24
Common factors of 64= 1,2,4,8,16,32,64
8 is the only common factor for both 24 and 64 so 8 is the ANSWER

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2.<br> If 2x - 7 = 19, then x =

Rainbow [258]

Answer:

X = 13

Step-by-step explanation:

Add 7 to both sides

2x = 26

divide by 2

x = 13

3 0

3 years ago

The sum of two consecutive even integers is at most 400. Find the pair of integers with the greatest sum

vladimir2022 [97]

199 + 200 = 399
199 and 200 is the pair.

6 0

3 years ago

pshichka [43]

Answer:82

Step-by-step explanation:12*8= 96 and 96-14=82

5 0

3 years ago

Read 2 more answers

If 25% of a number is 100, what is the number?

natta225 [31]

Answer:

400

Step-by-step explanation:

25% = 1/4

you can ultimately take this fraction and see that if you add two zeroes at the end of '1', you get 100

100/4

although, because you added two zeroes at the top, you have to do the same to the bottom.

100/400

this shows 400; 25% of 400 is 100.

6 0

3 years ago

Read 2 more answers

Let f(x) = x² + x - 6 and g(x) = 3x - 6, what are f ⋅ g and f/g. state the resulting function and it's domain.

Lady bird [3.3K]

Answer:

$f \cdot \: g = 3 {x}^{3} - 3 {x}^{2} - 24x + 36$

Domain: All real numbers

$\frac{f}{g} = \frac{x + 3}{3}$

Domain: x≠2

Step-by-step explanation:

The given functions are

$f(x) = {x}^{2} + x - 6$

and

$g(x) = 3x - 6$

$f \cdot \: g = f(x) \cdot \: g(x)$

This implies that:

$f \cdot \: g = (3x - 6)( {x}^{2} + x - 6)$

We expand to get:

$f \cdot \: g = 3x ( {x}^{2} + x - 6) - 6( {x}^{2} + x - 6)$

We expand to get:

$f \cdot \: g = 3 {x}^{3} + 3 {x}^{2} - 18x - 6{x}^{2} - 6 x + 36$

We group like terms to get:

$f \cdot \: g = 3 {x}^{3} - 3 {x}^{2} - 24x + 36$

This is a polynomial function, the domain is all real.

Also;

$\frac{f}{g} = \frac{f(x)}{g(x)}$

$\frac{f}{g} = \frac{ {x}^{2} + x - 6 }{3x - 6}$

Factor to get:

$\frac{f}{g} = \frac{(x - 2)(x + 3)}{3(x - 2)}$

Cancel common factors:

$\frac{f}{g} = \frac{x + 3}{3}$

The domain is all real numbers, except numbers that will make the denominator zero.

$x \ne2$

4 0

4 years ago