MATHEMATICS HIGH SCHOOL

Two-thirds of a number is equal to negative one-fifth. What is the numberanswers: -7 1/2, -3/10, -2/15, -3 1/3

Answers

Answer 1
Answer:

The required number would be -3/10.which is the correct answer would be option (B).

What is the number system?

A number system is defined as a way to represent numbers on the number line using a set of symbols and approaches. These symbols, which are known as digits, are numbered 0 through 9.

We have been given that two-thirds of a number is equal to a negative one-fifth.

Let the number would be x

According to the given question, the required solution would be as:

⇒ (2/3)x = -1/5

Divided by (2/3) both sides of the above equation,

⇒ (2/3)x/ (2/3) = (-1/5)/(2/3)

⇒ x = (-1/5)/(2/3)

Reciprocal the term in the numerator,

⇒ x = (-1/5) × (3/2)

Apply the multiplication operation, and we get

⇒ x = -3/10

Therefore, the required number would be -3/10.

Hence, the correct answer would be option (B).

Learn more about the number system here:

brainly.com/question/21751836

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Answer 2
Answer:

Answer: -7 1/2

Step-by-step explanation:

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The price of apples went from $0.30 per lb to $0.90 per lb in three years. Find the rate of change of the price of apples.

Answers

Answer:

Hence, the rate of change of the price of apples is:

                             $ 0.20 per year.

Step-by-step explanation:

Let P denote the price of apples.

It is given that the initial price of apples is: $ 0.30 per lb.

i.e. P(0)=$ 0.30 per lb.

Also, the price of the apples after three years is:  $ 0.90 per lb.

i.e.  P(3)=$ 0.90 per lb.

Hence, the rate of the change of the price of apples is calculated by:

Rate\ of\ change=(P(3)-P(0))/(3-0)

Now on putting the value in the formula we obtain:

Rate\ of\ change=(0.90-0.30)/(3-0)\n\n\nRate\ of\ change=(0.60)/(3)\n\n\nRate\ of\ change=0.20

                          The rate of change is:

                             $ 0.20 per year.
90c-30c=60cent change

60cents/3years=20cents/year

It changed 20cents a year

Can someone answer q3

Answers

Step-by-step explanation:

(2x + 5)/(4) = 9x - 11

2x + 5 = 4(9x - 11)

2x + 5 = 36x - 44

36x - 44 = 2x + 5

36x - 2x = 5 + 44

34x = 49

x = 49/34

Answer:

x=49/34

Step-by-step explanation:

1.) Multiply both sides by 4

(4) 2x+5/4 = 9x-11 (4)

2x+5 = 36x-44

2.) Subtract 2x from both sides

2x+5 = 36x-44

    -2           -2  

5 = 34x-44

3.) Add 44 to both sides

5 = 34x-44

+44      +44

49=34x

4.) Divide by 34

49/34 = 34x/34

x=49/34

Solve:6g=2
11 5
those are fractions btw
what is g?​

Answers

G is apart of the equation

Verify that 1 + cot2 x = csc2 x is an identity.

Answers

\sin ^( 2 ){ x } +\cos ^( 2 ){ x } =1\n \n \frac { \sin ^( 2 ){ x+\cos ^( 2 ){ x } } }{ \sin ^( 2 ){ x } } =\frac { 1 }{ \sin ^( 2 ){ x } }

\n \n \frac { \sin ^( 2 ){ x } }{ \sin ^( 2 ){ x } } +\frac { \cos ^( 2 ){ x } }{ \sin ^( 2 ){ x } } =\frac { 1 }{ \sin ^( 2 ){ x } } \n \n 1+\cot ^( 2 ){ x } =\csc ^( 2 ){ x }

In any triangle, there can be at most 1 obtuse angle. At most, how many obtuse angles can there be in an equilateral triangle?

Answers

Zero. An equilateral triangle has only 60 degree angles

What is 16+(48/8)
and please do not give me a fraction i want a whole number for this answer, thank you

Answers

Answer: If the entry is a fraction only, leave the whole number field blank. This is the greater of the two entries. After determining which entry is greater, the compare fractions calculator will show its work and give a detailed explanation of each step it took to arrive at the answer.

Step-by-step explanation:

the answer 22
The answer is 22, because if you divide 48 by 8 you will get 6. ( You have to solve what’s in the brackets first!)
Then after you get 6, you will do 16+6 which equals to 22
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