-1/4 + (-3/7) what is the answer???

Answers

Answer 1
Find the Least Common Denominator (LCD) which is 28.

-1/4 (7) = -7/28

-3/7 (4) = -12/28

-7 - 12 = -19

-19/28

Simplify if you can.

Related Questions

which table shows y as Directly propertional to x

Answers

Where is the table?

based only on the given information, it is guaranteed that ac is congruent to bc. true or false?

Answers

True. SAS or ASA. It shows that AD and BD are congruent and the triangles also share two sides and two angles.

Answer:

True. SAS or ASA. It shows that AD and BD are congruent and the triangles also share two sides and two angles.

Step-by-step explanation:

Please help!!! Brainliest?

Answers

I think the answer is b i hope this helps

what are the three legal moves when using algebra tiles

Answers

Answer:

There are three types of “legal moves” in which you can preform on your expression math that help you simply an algebraic expression.

Flipping. Flipping a tile to move it out of one region into the opposite region (i.e., finding its opposite). ...

Zero Pairs.

Step-by-step explanation:

thats your answer :)

credit: Google

It takes Austin 8 hours longer than Elliott to construct a wooden chair in shop class. When the classmates work together, they can complete one chair in 3 hours. This situation can be represented by this expression, where t is the amount of time, in hours, it takes Elliott to complete a chair on his own.

Answers

The equivalent expression obtained using the least common multiple concept is [tex] \frac{6t + 24}{t^{2} +8}[/tex]

To solve, we need to obtain the L. C. M of the denominator values :

The L. C. M of t and t + 8 = [tex] t^{2} + 8t[/tex]

Hence,

[tex]\frac{3}{t} + \frac{3}{t+8} = \frac{6t + 24}{t^{2} +8}[/tex]

Therefore, the equivalent expression which represents the situation described above ls ;[tex] \frac{6t + 24}{t^{2} + 8t}[/tex]

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Answer:

D

Step-by-step explanation:

What is the value of x in the equation Negative StartFraction 6 over 7 EndFraction = Negative StartFraction x over 84 EndFraction?

Answers

Answer:

c =72

Step-by-step explanation:

Answer:

C: 72

Step-by-step explanation:

I took the test on edge

Which group of ordered pairs are on the line given by the equation 5x−2y=6?

Answers

Answer:

(0, -3), (2, 2), (4,7) these are just some points

Step-by-step explanation:

Put the equation in y=mx+b format. It will be 2y=5x-6.

y=5/2x -3

the first point will be (0, -3) because of the y-intercept which is negative 3. You can graph the slope from that point to get (2, 2) and (4, 7). You can get more points too

Answer:

There are infinite ordered pairs are on the line because it has infinite solutions.

Step-by-step explanation:

5x - 2y = 6

-5x        -5x

-2y = -5x + 6

-2y/2 = -5x/-2 + 6/-2

y = 5/2x - 3

5x - 2(5/2x - 3) = 6

5x - 5x + 6 = 6

6 = 6

Which type of activity does Jeff do at a speed of 4.5 point, 5 miles per hour?

Answers

Answer:

Swimming

Step-by-step explanation:

The type of activity that Jeff does at a speed of 4.5 miles per hour is Swimming

If this was helpful, please mark brainliest. Have a beautiful day.

Jack and Jill are going up the hill to pull weeds. Jack can pull all of the weeds by himself in 8 hours; if Jill helps him they can pull the same amount of weeds in 5 hours. How long would it take Jill to pull the weeds working alone?

Answers

Answer:

it would take jill 12 hours

Answer:

13.3 hours

Step-by-step explanation:

5/8 +5/b = 1

8b(5/8+5/b=1)

5b+40=8b

40=3b

40/3=b

40/3=13.3 hours

You want to order a pizza for dinner. The pizza shop has a deal where you can buy a three-topping pizza for 11.99. If the pizza shop has 30 different toppings that you can put on your pizza, how many different pizzas could you get for 11.99?

A.4060


B.8120


C.24360


D.12180

Answers

Answer: A. 4060 Explanation (30 & 3)= (30*29*28)/(3*2*1)= 24,360/6= 4060

true or false dilation of a triangle are congruent to the original triangle

Answers

Answer:

True

Step-by-step explanation:

Hope this helps :)

Answer:

Step-by-step explanation:

ITS TRUE hope this helps

I will mark you brainlist

Answers

6 would equal 360 and 7 would equal 420

what is the equation of the line that passes through the point (-3, 4) and has a slope of 1/3? ​

Answers

Answer:

Y=1/3x+5

Step-by-step explanation:

I hope it help you

can someone help me with my test i have too write out the whole entire process & simplify them -
1st -3(2x-5)
2nd - 5+3x-8y+2x+9y-12

Answers

Answer:

1st -6x + 15

2nd 5x + y - 17

Simplified = -x + y -2

Step-by-step explanation:

Just add like terms if that's what it's asking.

1 Shannon runs at a constant rate. She can run 3 miles in 26 minutes. What distance, Y in miles, can she run in 15 minutes, x?

Answers

Answer:

1,75 miles

Step-by-step explanation:

3 miles ______26 minutes

1 miles =>26 :3 =8,5 (8 minutes and 5 seconds)

15:8,5 =1,75 miles

Evaluate the following expression if x=12, y=6, and z=-4

Answers

Answer:

wheres the expression

Step-by-step explanation:

Help please it is due in 10 min
will give brinly

Answers

Answer:

b

Step-by-step explanation:

Answer:

B

Step-by-step explanation:

A doesn't have a a slope of 3/5

C and D don't past through (2,4)

Find the measure of each missing angle.

Answers

Answer:

<1=63°

<2=49°

<3=87°

<4=44°

Step-by-step explanation:

<1=180-68-49=63°

<2=49°

<3=180-93=87°

<4=180-49-87=44°

Round the price to the nearest dollar.
crackers $1.28

Answers

Answer:

$1

Step-by-step explanation:

You only round up when the number next to the number they are asking is 5 or higher

Answer:

$2

Step-by-step explanation:

You do not want to bring $1 to buy crackers because you wouldn't have enough and you would go home with no crackers.

I need to know ASAP! Thanks ^^

Answers

Answer:

PQ=30

Step-by-step explanation:

Knowing that the segment has 3 parts that are 3:1:1 and sum up to 50, you could find how much 1 would equal by finding the total in relation to the ratio (doing 3+1+1) which gets you 5 parts. Then you can divide the total (50) by 5 to figure out how much one part would equal (10). Now, since you know that 1 part is equal to 10 and that PQ is 3 parts, you can find that PQ is equal to 3x10, or 30.

PLEASE HELP! THANKS!!!

Answers

Answer:

A. 3

B. 4.5

Explanation:

A. 2(5x - 3) = 24

10x - 6 = 24

then add six on both sides

U get 10x = 30

divide 10 on both sides

U get x is 3

B. 5(2x + 1) = 50

10x + 5 = 50

minus five on both sides

10x = 45

divide by 10 on both sides

The answer is x = 4.5

Mario walked at a rate of 5/6 miles every 10 minutes what is his unit rate every mile per hour

Answers

Answer:

Mario's unit rate is 5/1

Step-by-step explanation:

We know that Mario walks 5/6 miles per 10 minutes.

We need to find out how many miles Mario walks in 60 minutes (1 hour).

10 * 6 = 60. Which means that we must multiply 5/6 by 6.

[tex]\frac{5}{6} *\frac{6}{1} = \frac{30}6[/tex]

30/6 = 5

Mario walks 5 miles per hour.

To put this in to a unit rate we must put this is a fraction:

[tex]\frac{Miles}{Hour}[/tex]

Substitute:

5/1

Answer:

Mario's unit rate is given by 900 miles/hour

Step-by-step explanation:

We have been given that Mario walked at a rate of 2/3 miles every 10 minutes

We have the relation between speed, time and distance, which is given by

speed = distance/Time

we have,

distance = 2/3 miles

Time = 10 minutes

On substituting these values in above formula, we got

speed 2/3 /10

speed 2/10.3

We have to find the unit rate in mile per hour, so we need to multiply it by 60

Thus, unit rate is given by

1/15 X 60

= 4 miles/hour

can someone pls help me out

Answers

Answer:

1. y=1/5x-1 2/5

2. y=-1/2x+1/2

Step-by-step explanation:

Parallel or perpendicular 3x+5y=10 and 5x-3y=-6

Answers

3x+5y=10 and 5x-3y=-6 is perpendicular.

Write the equation of the line that passes through the given points. (-2,2.5) and (0,-4.5)

Answers

Answer: y = -3.5x - 4.5

suppose: the equation of the line is y = ax + b ( a ≠ 0 )

because the line passes through (-2;2.5) => 2.5 = -2a + b

the line passes though (0;-4.5) => -4.5 = b

=> b = -4.5

   2.5 = -2a + b

=> a = -3.5

    b = -4.5

=> the equation of the line is y = -3.5x - 4.5

Step-by-step explanation:

The equation Of the line is y =-3.5x-4.5

Tina has two rectangular playpens to keep her new pet dogs. The first rectangle has a width of 6 feet and a length of x - 4 feet. The second rectangle has a width of 8 feet and a length of x + 2 feet. What is the sum of the two perimeters?

Answers

Answer:

4x+24 ft.

Step-by-step explanation:

Perimeter of first rectangular playpen mentioned: 2(6+x-4), which can be simplified to 2(x+2) = 2x + 4.

Perimeter of second playpen mentioned: 2(8+x+2), which can be simplified to 2(x+10) = 2x+20.

Add these two together: 2x+4 + 2x+20 = 4x+24. Don't forget to add units: 4x+24 ft.

A scale drawing of a rectangle park measures 6 inches long and 2 inches wide. If the scale used for the 3 inches equals 7 yards, what is the actual length of the park?

Answers

I’m so sorry for this

Evaluate 5x-2w+t

Help needed!!

Answers

the answer is the same

The value of x is (2w - t)/5.

The value of w is (5x + t)/2.

The value of t is  2w - 5x.

What is an expression?

An expression is a way of writing a statement with more than two variables or numbers with operations such as addition, subtraction, multiplication, and division.

Example: 2 + 3x + 4y = 7 is an expression.

We have,

5x - 2w + t = 0

Solve for x.

5x - 2w + t = 0

5x = 2w - t

x = (2w - t)/5

Solve for w.

5x - 2w + t = 0

5x + t = 2w

w = (5x + t)/2

Solve for t.

5x - 2w + t = 0

t = 2w - 5x

Thus,

The value of x, w, and t is given above.

Learn more about expressions here:

https://brainly.com/question/3118662

#SPJ2

This table represents the number of ounces, u, a kitten grows after w, weeks. When graphed, all of the points in the table lie on the same line. What is the slope and y-intercept of the line? slope=−23, y-intercept=−0.2 slope=32, y-intercept = 3 slope=23, y-intercept=−0.2 slope=−32, y-intercept = 3

Answers

Using the slope and intercept formula, the slope and y - intercept values of the graphed data are 3/2 and 3 respectively

Given the data :

Weeks, w ___ Weight in ounces, u

0 __________ 3

3 _________ 7.5

6 __________12

9 _________16.5

The y - intercept :

This is the value of y when the value of x = 0

From the table given, the initial weight of the kitten (weight at week 0) = 3 ounces

Hence, the intercept is 3 ounces.

2.)

The slope :

Slope = Rise / Run

Rise = y2 - y1 = (16.5 - 3) = 13.5

Run = x2 - x1 = 9 - 0 = 9

Slope = 13.5 / 9 = 1.5

Therefore, the slope is 1.5

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-5(3-r)=30
Please help!

Answers

The answer to -5(3-r)=30
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