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madreJ [45]
2 years ago
11

SHOW WORK: ok now after that other stuff i have 10 more questions im ligit crying rn i need to sleep im very tired plz help me..

. YOU GET BRAINLIEST
Evaluate the expression: 3/8 + 2/6

Evaluate the expression: 2 1/4 - 3/6 (simplify)

What is the sum of 3 4/5 and 1 1/3?

What is the difference of 6 and 2 1/5?

Chris mowed 1/3 of his yard in the morning and then 3/6 of his yard in the afternoon. How much of his yard has Todd mowed so far?

Aoife has a piece of wood that measures 2 2/9 feet. She cut off 1 1/3 feet of wood for a project. How much wood does she have remaining?

COMPARE: 2/9 3/14
Mathematics
2 answers:
monitta2 years ago
6 0
The person who answered deserved way more points
tiny-mole [99]2 years ago
5 0

Answer:

1) So, you're going to add fractions. 3/8 + 2/6 =

Step-by-step explanation:

1) First, you find the LCD. (<em>Least Common Denominator) </em>The lowest common number between 6 and 8 is 24. So,

3/8 = 3 x 3/8 x 3 =9/24

2/6 = 2 x 4/ 6 x 4 =8/24

Now add.

8/24 + 9/24 = 17/24

Ans: 17/24

2)  First, you make 2 1/4 into an <u>improper fraction</u>. So, add 8 to 1/4.

1/4 + 8 = 9/4

Now, find the LCD. (<em>Least Common Denominator)  </em>The mallest number that 6 and 4 both equal is 12. So-

9 x 3/ 4 x 3 = 27/12

3 x 2/6 x 2 =6/12

Subtract.

27/12 - 6/12 = 21/12

Simplify.

21/12. Divide both the numerator and the denominator by 3.

21 ÷ 3/12 ÷ 3 = 7/4

Make it a Mixed Number.

7/4 = 1 3/4

Ans: 1 3/4

3) Do the same steps for Number 1. I'll show them again.

First, make both fractions <u>improper fractions</u>.

3 4/5 = 19/5

1 1/3 = 4/3

First, you find the LCD. (<em>Least Common Denominator) </em>The lowest common number between 5 and 3 is 15. So,

19/5 = 19 x 3/5 x 3 = 57/15

4/3 = 4 x 5/3 x 5 = 20/15

Now subtract.

57/15 - 20/15 = 37/15

Now make it an <u>mixed number</u>.

37/15 = 2 7/15

Ans: 2 7/15

4) First, make 6 into a fraction. 6 = 6/1.

Then, make 2 1/5 an improper fraction.

2 1/5 = 11/5

Find the LCD. (<em>Least Common Denominator)</em>

The lowest number that 1 and 5 have in common is 5.

6 x 5 / 1 x 5 = 30/5

11 x 1 / 5 x 1 = 11/5

Now, subtract.

30/5 - 11/5 = 9/5

Now make 9/5 a <u>mixed number</u>.

9/5 = 1 4/5

The others are word problems, and I'll answer them in a separate comment, hope these help. :)

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— 9a3. — Зазь<br> simplify
-BARSIC- [3]

Answer:

-3a(9+3b)

Step-by-step explanation:

-9a3-3a3b

= -27a-9ab

= -3a(9+3b) answer

4 0
3 years ago
1. -x=10y<br><br>2. y+8=-x<br><br>3. -4+7x+4=3y​
fiasKO [112]

Answer:

1 y=-1/10x

2 y=-x-8

3 y= 7/3x or 2 1/3x

Step-by-step explanation:

1 -x=10y

divide -x and 10 by 10

2 y+8=-x

subtract 8

3 -4+7x+4=3y

divide everything by 3

6 0
3 years ago
Vivian is getting a pet snake. She is choosing between the ball python and the corn snake. the ball python is 4 1/2 ft long and
Nadusha1986 [10]

Answer:

The 45 in snake is the shorter one.

Step-by-step explanation:

Which is shorter, 45 in or 4 1/2 ft?

                                                                                        12 in

Convert 4 1/2 ft into inches by multiplying 4 1/2 ft by --------- = 54 in.

                                                                                          1 ft

Thus, the 45 in snake is shorter than the 54 in one and should b e V's first choice.

8 0
3 years ago
Been stuck on these last 2 questions. can anybody help? thanks in advance!
Maurinko [17]

The equation that passes through the point (7, -2) and (11, 5) is y = 4/7x - 9

Equation of the line:

The standard form of the equation of the line is written as

y = mx + b

here

x and y represents the coordinates of the equation

m refers the slope of the equation

b refers the y intercept of the equation

Given,

Here we have the points (7, -2) and (11, 5).

Now we have to find the equation that passes through this points.

If you want to find the equation of the line, we have to find the slope and the intercept of the line.

The slope of the line is calculated by using the given point (7, -2) and (11, 5),

=> m = (11 - 7) / ( 5 - (-2))

=> m = 4/7

Now, we have to use the slope and the point (11, 5) to find the value of y intercept of the equation,

=> 5 = (4/7) (11) + b

=> 35 = 44 + b

=> b = -9

Therefore, the equation that passes through the points is y = 4/7x - 9

To know more about equation of the line here.

brainly.com/question/21511618

#SPJ1

4 0
1 year ago
In a volleyball game, a player on one team spikes the ball over the net when the ball is 10 feet above the court. The spike driv
Fynjy0 [20]

Answer:

4.75 seconds

Step-by-step explanation:

Initial height of the ball from the ground = 10 feet

Upward initial velocity given = 55 feet per second

Value of g ( acceleration due to gravity) = 32.2 feet per s²

Motion of the ball:

The ball first goes vertically upwards, gravity decelerates the body and it momentarily comes to rest at a point in its upward trajectory, which is the point of maximum height. From this point, to the ground, the ball behaves as a freely dropped body.

Till the ball reaches its maximum height:

u = + 55

v = 0 ( final velocity is zero)

a = - 32.2 (since it is deceleration)

we know that <em>v = u + at </em>

⇒    0 = 55 - 32.2t

⇒  t = 1.7 s

Also , we have <em>s = ut + (1/2)at²</em>

Here, s is the maximum height from the point where ball is thrown

So,     s = 55(1.7) - (0.5)(32.2)(1.7)(1.7)

⇒ s = 140 feet

So at a height of 140 feet + 10 feet (initial height) = 150 feet, the ball acts as a freely dropped body.

Here,      u = 0

               a = +32.2

               s= 150

<em>s = ut + (1/2)at²</em>

⇒  150 = 0.5 ( 32.2) (t²)

⇒  t² = 300/32.2 = 9.31

⇒ t = 3.05 sec

So total time = 1.7 + 3.05 = 4.75 seconds

8 0
3 years ago
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