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miss Akunina [59]
3 years ago
12

Marissa is ordering Negative one-sixth, negative one-third, 1.4, 0.2, two-thirds from least to greatest. Here are her steps: (1)

Write each decimal as a fraction. (2) Write every fraction with a common denominator of 18. (3) Plot the numbers on the number line. (4) List the numbers from left to right as they are plotted on the number line. Identify any and all errors that Marissa made in her steps. Marissa should have only plotted the fractions on the number line. Marissa should have used 30 as the common denominator. Marissa should have listed the numbers from right to left after she plotted them on the number line. Marissa should have used a common denominator of 30 and should have listed the numbers from right to left after she plotted them on the number line.
Mathematics
1 answer:
Deffense [45]3 years ago
3 0

Answer:

A graph plots Score, from 0 to 90, in increments of 10, versus Study time, in hours, from 0 to 4.5, in increments of 0.5, on an x y plane. Dozens of points rise diagonally in a tight, narrow cluster between (1.8, 62) and (4.4, 95). A regression line rises diagonally through the center of the cluster from (0, 38) to (4.2, 100). All values estimated.

Step-by-step explanation:

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Which equation represents a proportional relationship that has a constant of proportionality equal to -10
stira [4]

Answer:

y =  - 10x

Step-by-step explanation:

A proportional relationship has equation:

y = kx

where k is the constant of proportionality.

Since we are looking for a proportional relationship that has a constant of proportionality equal to -10, we have k=-10.

We substitute k=-10 into the equation to get:

y =  - 10x

Therefore the correct choice is

y =  - 10x

7 0
2 years ago
Read 2 more answers
A right triangle has a base of 11 yards and a height of 7 yards . If you were to construct a similar but not congruent right tri
Dimas [21]

Answer:

bae of 44 yds and a height of 28 yds

Step-by-step explanation:

11x7 = 88 yd^2 = area of small triangle

616/88 = 16 so the larger triangle area is 16 times larger than the smaller triangle.

The area of a triangle is not proportional to it's dimensions. An increase of 16 times the area only increases the dimensions by 4 times.

larger triangle dimensions are 11 x 4 = 44 and 7 x 4 = 28

5 0
3 years ago
Graph 2x-5=2x+8 please
lapo4ka [179]
2x-5=2x+8
-5=8

y=2x-5
y=2x+8

4 0
3 years ago
Alberto uses the steps below to solve the equation One-half x minus 3 equals 7. Step 1: One-half x minus 3 plus 3 equals 7 plus
natka813 [3]

Answer:

Identity property of multiplication

Step-by-step explanation:

From step 5:

1x = 20

Here, to solve for x so that the variable x stands alone, Alberto uses the identity property of multiplication, which justifies what he has in step 6.

Step 6:

x = 20

According to the identity property of multiplication, any value you multiply by 1 gives you that same value.

Therefore, 1x = 1 × x = x.

The variable x multiplied by 1 will give you x.

7 0
2 years ago
The area of a parallelogram is 31.5 ft and the height is 6.3 ft. What is the length of the base?
makvit [3.9K]
The base is 5 because when you divide 31.5 by 6.3 it's 5
4 0
3 years ago
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