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sveta [45]
2 years ago
12

1. There are red and blue marbles in a bowl.

Mathematics
1 answer:
kkurt [141]2 years ago
4 0

Answer:

2r, where r is the number of red marbles

Step-by-step explanation:

Since there is twice as many blue marbles as red marbles, it infers blue marbles = 2 × red marbles.

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Students did push-ups for a fitness test. Their goal was 20 push-ups. For each student,
ale4655 [162]

Answer:

1- 80%

2- 210%

3- 65%

4- 105%

Step-by-step explanation:

5 0
3 years ago
A car dealership purchased a car for $15,000. They mark up the price by 35%. What is the retail price of the vehicle
Snowcat [4.5K]

Answer: the answer is 20,250

Step-by-step explanation:

35% of 15,000 = 5,250

15,000+5250 = 20,250

4 0
3 years ago
Which of the following is equivalent to (6/x)2?
Agata [3.3K]
Looks like A is the answer.
3 0
3 years ago
A line passes through the point ( 18 , − 11 ) and has a slope of − 5 . Write an equation in slope-intercept form for this line.
fenix001 [56]

Answer:

The equation of the line in the slope-intercept form is y = -5x + 79

Step-by-step explanation:

The slope-intercept form of the linear equation is y = m x + b, where

  • m is the slope of the line
  • b is the y-intercept

∵ The slope of the line is -5

∴ m = -5

∵ The form of the equation is y = m x + b

→ Substitute the values of m in the form of the equation

∴ y = -5x + b

→ To find b substitute x and y in the equation by the coordinates

   of any point on the line

∵ The line passes through the point (18, -11)

∴ x = 18 and y = -11

∵ -11 = -5(18) + b

∴ -11 = -90 + b

→ Add 90 to both sides to find b

∵ -11 + 90 = -90 + 90 + b

∴ 79 = b

→ Substitute it in the equation

∴ y = -5x + 79

∴ The equation of the line in the slope-intercept form is y = -5x + 79

7 0
3 years ago
Evaluate x - 3y when x = -2 and y= -4 <br>A. -10 <br>B. -4<br>C. 4<br>D. 14​
Galina-37 [17]

Answer: 10

Step-by-step explanation:

When given the x and y values, you plug them in and solve.

-2-3(-4)         [multiply]

-2+12            [add]

10

Now, we know that the answer is 10. 10 is not provided as an answer choice, but it is the correct the answer.

7 0
3 years ago
Read 2 more answers
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