Please can someone tell me the answer

Answers

Answer 1

Answer: It affects the answer because parentheses signifies or implies that yoy are doing the operation inside of their that step comes first because if you forget about that step and move on it will affect your answer and you will get it wrong write this down

Answer 2

Answer: Hi there again! Anyways the answer is simple. The parenthesis r there for a reason. It is to show that that part is the one that u have to do first. So if the problem was (5-3)-1+2 u would have to do the parenthesis part first or u would get the wrong answer. I hope this helped u!

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At San Jacinto Middle School there are 528 students and 22 teachers. What is the ratio of students to teachers at this Middle School?

Answers

Answer:

528:22

Step-by-step explanation:

528 students : 22 teachers

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Final answer:

The ratio of students to teachers at San Jacinto Middle School is 264 : 11, which means for every 11 teachers, there are 264 students.

Explanation:

The subject of the question is Mathematics and it pertains to the concept of ratios. Ratios are used to compare two or more numbers. In this context, we are given the total number of students and teachers at San Jacinto Middle School and asked to find the ratio of students to teachers. To calculate this, we divide the number of students by the number of teachers.

Here's how you do it step-by-step: The school has 528 students and 22 teachers. So, the ratio would be 528 : 22. This ratio can be simplified by dividing both numbers by their greatest common divisor, which is 2 in this case. Hence, the simplified ratio is 264 : 11.

So, the ratio of students to teachers at San Jacinto Middle School is 264 : 11. This means for every 11 teachers, there are 264 students.

Learn more about Ratio here:

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The points (0, 10) and (–3, –5) fall on a particular line. What is its equation in slope-intercept form?

Answers

The answer would be : y = 5x + 10

The quotient is33 3/4. What is the divisor? How do you know

Answers

Dividend if the number that you divide, divisor is the number that you divide dividend into, and quotient is the number that you get from dividing dividend into divisor. For example, in 12/3=4, 12 is the dividend, 3 is the divisor, and 4 is the quotient

Which of the following are examples of exponential decay? - The population of a Florida is increasing by 43% each year.
- The pesticide DDT has a half-life of 15 years.
- March Madness has 64 teams in the bracket. Each round, half the teams are eliminated.
- After an antibiotic is added to a culture of bacteria, the number of bacteria is reduced by half every three hours.
- A tree frog population doubles every three weeks.

Answers

The correct answer for the question that is being presented above is this one: "- The pesticide DDT has a half-life of 15 years; - March Madness has 64 teams in the bracket. Each round, half the teams are eliminated; - After an antibiotic is added to a culture of bacteria, the number of bacteria is reduced by half every three hours."

Answer: the correct ones are

B “ The pesticide DDT has a half live of 15 years”

C “March madness has 64 teams in the bracket. Each round, half the teams are eliminated” and

D “After an antibiotic is added to a culture of bacteria, the number of bacteria is reduced by half every three hours”

What times what equals 15 but adds up to positive 2

Answers

3 times 5 equals 15.

The numbers that satisfy both conditions are 3 and 5.

To find two numbers that multiply to 15 and add up to positive 2,

we can use algebraic reasoning.

Let the two numbers be x and y.

We know that:

x * y = 15 (they multiply to 15).

x + 2 = y (they add up to positive 2).

Now we can use these two equations to solve for x and y.

From equation (2), we can express y in terms of x:

y = 2 + x

Now, substitute this expression for y into equation (1):

$x(x + 2) = 15\nx^2 + 2x = 15\nx^2 + 2x - 15 = 0$

To factor the quadratic equation, we need to find two numbers whose product is -15 and whose sum is 2.

The two numbers are 5 and -3.

So, we can rewrite the equation as:

(x + 5)(x - 3) = 0

Set each factor to zero and solve for 'x'.

x + 5 = 0 or x - 3 = 0

For the first factor:

x + 5 = 0

x = -5

For the second factor:

x - 3 = 0

x = 3

we can see that the two numbers that multiply to 15 and add up to 2 are 3 and 5.

3 * 5 = 15

3 + 5 = 8

So, the numbers that satisfy both conditions are 3 and 5.

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The answer is 3 and 5 since it is positive of 2

A circle has an area of 81 7 square inches. What is the circumference of the circle?A. 4.5 inches
B. 2.25 inches
C. 18 inches
D. 9 inches

Answers

A

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