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3 years ago

Which is not an improper fraction equal to eight

Mathematics

2 answers:

Oliga [24]3 years ago

7 0

The fraction that is improper and it equals 8 is 64/8

Nady [450]3 years ago

6 0

It would be 64/8 hope that helped

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Point J (-4, -6) and point K (4, 4) are located on a coordinate grid. Which measurement is closest to the distance between point

shepuryov [24]

Answer:

The points are sqrt(164) or 2sqrt(41) units apart.

Explanation:

You didn't provide the options in your question. But to find the distance, you need to use the distance formula.

d=sqrt((y2-y1)^2 + (x2-x1)^2)

d is the distance, and (x1, y1) and (x2, y2) are the points.

Use point J (-4,-6) for (x1,y1) and point K (4,4) for (x2, y2).

d=sqrt((4-(-6))^2 + (4-(-4))^2)

=sqrt(10^2 + 8^2)

=sqrt(100+64)

=sqrt(164)=2sqrt(41)

You can compare this to the answer options and find the closest. Hope I could help! :)

3 0

3 years ago

Find the roots of the equation x^2+2x+5=0

stiv31 [10]

Answer:

x = - 1 ± 2i

Step-by-step explanation:

we can use the discriminant b² - 4ac to determine the nature of the roots

• If b² - 4ac > , roots are real and distinct

• If b² - 4ac = 0, roots are real and equal

• If b² - ac < 0, roots are not real

for x² + 2x + 5 = 0

with a = 1, b = 2 and c = 5, then

b² - 4ac = 2² - (4 × 1 × 5 ) = 4 - 20 = - 16

since b² - 4ac < 0 there are 2 complex roots

using the quadratic formula to calculate the roots

x = ( - 2 ± $\sqrt{-16}$ ) / 2

= (- 2 ± 4i ) / 2 = - 1 ± 2i

7 0

3 years ago

A negative linear relationship implies that larger values of one variable will result in smaller values in the second variable.

solong [7]

Answer:

True

Step-by-step explanation:

The negative linear relationship means that there is inverse relationship between two variables. It means that if the independent variable increases the dependent variable decreases and if the independent decreases the dependent variable increases. It means that due to larger values of independent variable there occurs the smaller values for dependent variable.

3 0

3 years ago

The cost of renting a boat is $20 plus $2.50 per hour, where x is the number of hours of boat rental. Millie wants to spend less

kakasveta [241]

Answer:

D. 20 + 2.50x < 50

Step-by-step explanation:

20 + 2.50x < 50 - the sign has to be less than because Millie wants to spend less than $50

8 0

3 years ago

Which statement is best supported by the dot plot? Choose ONE and explain your

maksim [4K]

Answer:

The statement that is best supported by the dot-plot is iii)

The mode of the number of miles Amanda skated in July is equal to the

mode of the number of miles skated in August.

<u>This is a true statement.</u>

The mode of the number of miles Amanda skated in July is equal to 1.

The mode of the number of miles Amanda skated in August is equal.

Step-by-step explanation:

i) The range of the number of miles Amanda skated in August is less than the

range of the number of miles she skated in July.

This is a true statement.

the range of the number of miles Amanda skated in August is 1 to 3

the range of the number of miles Amanda skated in July is 1 to 4

ii) The distribution of data is approximately symmetrical in both sets of data.

This is NOT a true statement.

the distribution of data of the number of miles Amanda skated in August

is not symmetrical.

the distribution of data of the number of miles Amanda skated in August

is approximately symmetrical.

iii) The mode of the number of miles Amanda skated in July is equal to the

mode of the number of miles skated in August.

This is a true statement.

The mode of the number of miles Amanda skated in July is equal to 1.

The mode of the number of miles Amanda skated in August is equal.

8 0

3 years ago