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3 years ago

Plesase help will mark brainliest

Mathematics

1 answer:

gavmur [86]3 years ago

8 0

C. is correct because the y-intercept is at 2. Hope this helps! Could I be the brainliest please?

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A car releases 19.6 pounds of carbon dioxide for every 1 gallon of gasoline burned. Estimate the number of pounds of carbon diox

dezoksy [38]

The answer is 300.
Hope this helps! :D

3 0

3 years ago

Estimate the sum or difference<br> 8/9 +4/7=

zhenek [66]

Answer:

1 29/63

Step-by-step explanation:

To add fractions, find the LCD and then combine.

7 0

3 years ago

There are 8 candidates for student government: Hal, Mary, Ann, Frank, Beth, John, Emily, and Tom. The three candidates that rece

sveticcg [70]

Answer:

Step-by-step explanation:

Given that there are 8 candidates for student government: Hal, Mary, Ann, Frank, Beth, John, Emily, and Tom.

The three candidates that receive the highest number of votes become candidates for a runoff election.

i.e. 3 persons out of 8 to be selected for becoming candidates for a runoff election.

Since order does not matter we use combinations here

3 persons out of 8 can be done in 8C3 ways

= 56

no of 3-candidate combinations possible are 56

3 0

4 years ago

: In Ms. Perron’s class, 40% of the students are boys. There are 10 boys in the class. What is the total number of students in M

ruslelena [56]

<h3>Total number of students in Ms. Perron’s class is 25</h3>

<em><u>Solution:</u></em>

In Ms. Perron’s class, 40% of the students are boys

There are 10 boys in the class

Let "x" be the total number of students in Perron class

From given,

40 % of total students are boys

Therefore,

40 % of x = 10

$\frac{40}{100} \times x = 10\\\\40x = 1000\\\\x = 25$

Thus total number of students in Ms. Perron’s class is 25

7 0

3 years ago

A cubical water tank can contain 1000/125 cubic meters of water. Find the length of a side of the water tank.

Annette [7]

Given:

Volume of cubical tank = $\dfrac{1000}{125}$ cubic meters.

To find:

The length of a side of the water tank.

Solution:

The volume of a cubical tank is:

$V=a^3$

Where, a is the side length.

It is given that the volume of cubical tank is $\dfrac{1000}{125}$ cubic meters. So,

$a^3=\dfrac{1000}{125}$

$a^3=\dfrac{(10)^3}{5^3}$

Taking cube root on both sides, we get

$a=\dfrac{10}{5}$

$a=2$

Therefore, the length of a side of the water tank is 2 meters.

3 0

3 years ago