MATHEMATICS MIDDLE SCHOOL

Ating a Line with a Positive SlopeA line passes through the point (0, –1) and has a positive slope. Which of these points could that line pass through? Check all that apply.

(12, 3)
(–2, –5)
(–3, 1)
(1, 15)
(5, –2)

Answers

Answer 1
Answer:

Answer:

The points (12,3), (-2,-5) and (1,15) through which the line can pass.

Step-by-step explanation:

A line passes through the point (0, –1) and has a positive slope.

(i) The slope of the line passing through the points (0,-1) and (12,3) will be

(- 1 - 3)/(0 - 12) = (1)/(3) > 0

(ii) The slope of the line passing through the points (0,-1) and (-2,-5) will be

(- 1 + 5)/(0 + 2) = 2 > 0

(iii) The slope of the line passing through the points (0,-1) and (- 3,1) will be

(- 1 - 1)/(0 + 3) = - (2)/(3) < 0

(iv) The slope of the line passing through the points (0,-1) and (1,15) will be

(- 1 - 15)/(0 - 1) = 16 > 0

(v) The slope of the line passing through the points (0,-1) and (5,-2) will be

(- 1 + 2)/(0 - 5) = - (1)/(5) < 0

Therefore, the points (12,3), (-2,-5) and (1,15) through which the line can pass. (Answer)
Answer 2
Answer:

Answer:

A, B, D

Step-by-step explanation:

just took it on edg

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I need to answer these for test corrections and it is due tomorrow can anyone help?

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Solve for z. z−49−13=59 Enter your answer in the box. z=

Answers

Answer:

z = 131

General Formulas and Concepts:

Pre-Algebra

Order of Operations: BPEMDAS

  1. Brackets
  2. Parenthesis
  3. Exponents
  4. Multiplication
  5. Division
  6. Addition
  7. Subtraction
  • Left to Right  

Equality Properties

  • Multiplication Property of Equality
  • Division Property of Equality
  • Addition Property of Equality
  • Subtraction Property of Equality

Step-by-step explanation:

Step 1: Define

Identify

z - 49 - 13 = 59

Step 2: Solve for z

  1. Subtract:                                                                                                             z - 62 = 69
  2. [Addition Property of Equality] Add 62 on both sides:                                  z = 131

Answer:

\small \sf \: z = \fbox{121}

Step-by-step explanation:

z - 49 - 13 = 59

We need to find z.

solve for z

z - 49 - 13= 59

  • combine like terms

z - 62 = 59

  • Add 62 to both sides

z - 62 + 62 = 59 + 62

z = 59 + 62

  • Add 59 and 62 to get 121.

z = 121

If a cone-shaped vase can hold 45 cubic centimeters of water and has a radius of 2 centimeters, what is the height of the vase? Use 3.14 for pi. Round your answer to the nearest hundredth.

Answers

Answer:

3.58

Step-by-step explanation:

45cm3= 2 squared x height x 3.14

So you take 45 and divide it by 2 squared which is 4 and 3.14. Then you would get 3.582 and round it to 3.58

Answer:

13.14

Step-by-step explanation:

v= 1/3 pi r^2 h

45 = 1/3 (3.14) (4) h

45 = 1/3 (12.56) h

45 = 1/3 12.56/ 4 = 4 h/4

h = 3.14

45 = 1/3 (12.56)  (3.14)

45 = 1/3 (39.44)

45 = 39.44/3 = 13.14

Four out of every five visitors at an amusement park buy day passes what percent of the visitors buy passes?

Answers

The percentage of visitors who buy passes is 80%.

What is the percentage?

A percentage is a value per hundredth. Percentages can be converted into decimals and fractions by dividing the percentage value by a hundred.

We know fractions can be converted into percentages by multiplying them by 100.

Given, Four out of every five visitors at an amusement park buy day passes.

∴ The percentage of people who buy passes is (4/5)×100 = 80%.

learn more about percentages here :

brainly.com/question/24159063

#SPJ5
80% 
THis is because you are supposed to multiply 20 to the denomintaor and numerator.
4 times 20=80
~JZ
Hope it helps

Jack and Luke were wrapping presents. Jack was able to wrap presents at a constant rate of 3 presents every 15 min. Luke was able to wrap presents at a constant rate of 5 presents every 20 min. Each boy had 20 presents to wrap, and the boys started wrapping presents at the same time.Write an equation to find the rate each boy wraps presents. You may use y=kx or w=rt (4 points 2 for each)

Answers

jack = 3 presents every 15 minutes
luke = 4 presents every 20 minutes
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Luke: 20 minutes / 5 presents = 4 minutes per present

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Luke:
y = 4 minutes per present * 20 presents = 80 minutes

Write a definition of rounding in your own words???

Answers

Rounding is when you have at least a two digit number (26 for example) and if the number the right (6) is 5 or above  then the number goes up one unit, (therefore 26 becomes 27). But if the number (22) to the right is 4 or lower, then the number to the right stays the same, but the number to the right becomes a zero, (making 22 now 20).
Rounding is when you make your number go higher or lower based on the given information.
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