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den301095 [7]
3 years ago
12

How much more is 8x + 7 than 2x - 3?

Mathematics
1 answer:
Anna007 [38]3 years ago
3 0
(8x + 7) - (2x - 3)
(8x + 7) + (-2x + 3)
combine like terms
8x - 2x and 7 + 3

6x + 10
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When will dividing a whole number by a fraction result in a whole number answer? Explain.
Lubov Fominskaja [6]

Answer:

From these examples, we can conclude, we will get a whole number  when we divide if the numerator of the fraction  is a factor of the whole number

Step-by-step explanation:

Lets look at a couple of examples

Example 1

4 ÷ 1/3

Copy dot flip

4 * 3/1 = 12

Whole number

Example 2

2 ÷11/12

Copy dot flip

2 * 12/11

24/11

11 goes into 24 2 times  

11*2 = 22  

24-22 =2

11 goes into 24  2 times with 2 left over,  The left over goes over the denominator.

2 2/11

2 2/11 is  a mixed number not a whole number

Example 3

8 ÷2/11

Copy dot flip

8 * 11/2

88/2

44


From these examples, we can conclude, we will get a whole number  when we divide if the numerator of the fraction  is a factor of the whole number

5 0
4 years ago
The table below shows the amounts of lemon juice and sugar used in each container of lemonade. The ratio of lemon juice to sugar
lesantik [10]

Answer:

i believe the answer would be C! sorry if im wrong! ;-; <333

3 0
3 years ago
Read 2 more answers
Choose 10 whole numbers AND 10 decimals. Calculate 10% for all 20 numbers. Then, describe the pattern that you notice. Repeat fo
Serga [27]
Btw I got this answers from gauth math
answer: 2

3 0
2 years ago
How would you write -4.5 as a rational number in the form of a/b?
kvv77 [185]
You could really rewrite -4.5 in an infinite amount of ways. But a couple of simple ones: \frac{-4.5}{1} or \frac{-9}{2}
5 0
3 years ago
What is the inverse of g? <br> g(x) = 3/x+7
ikadub [295]

Given function :-

\bf \implies g(x) = \dfrac{3}{x}+7

  • To find its reverse , substitute y = g(x) .

\bf \implies y = \dfrac{3}{x}+7

  • Interchange x and y .

\bf \implies x = \dfrac{3}{y}+7

  • Solve for y .

\bf\implies \dfrac{3}{y}= x -7 \\\\\bf\implies y =\dfrac{3}{x-7}

  • Replace y with f-¹(x) .

\implies\boxed{\red{\bf f^{-1}(x) = \dfrac{3}{x-7} }}

6 0
3 years ago
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