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vovangra [49]
3 years ago
11

Simplify -2/3 + -4/5 + 7/15 + -11/20

Mathematics
1 answer:
Yanka [14]3 years ago
4 0

Answer:

-\frac{31}{20}

Step-by-step explanation:

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Can someone please help me
yulyashka [42]

9514 1404 393

Answer:

  D. at the ballpark

Step-by-step explanation:

The y-coordinate doesn't change between points C and D. That means Daniel's distance from home is not changing. Since Daniel rode to the ballpark and back, and since segment CD represents Daniel's farthest distance from home, we conclude ...

  CD represents the time Daniel spent at the ballpark.

5 0
3 years ago
Oliver sewed a quilt 3 2/3 feet long and 2 1/4 feet wide. what is the area of her quilt?
Hunter-Best [27]

Answer:

8.25 feet

Step-by-step explanation:

3 2/3 times 2 1/4 equals 8.25

4 0
2 years ago
If n erasers have a weight of 80 grams, what is the total weight of 50 erasers?
Black_prince [1.1K]

Answer:

The\ weight\ of\ the\ 50\ erasers\ be\ \frac{4000}{n}\ grams.

Step-by-step explanation:

As given

if n erasers have a weight of 80 grams .

I.e

n erasera =  80 grams.

1 erasers weight .

1\ erasers\ weight = \frac{80}{n}

Now find out the weight of the 50 erasers.

Weight\ of\ 50\ erasers = \frac{50\times 80}{n}\ grams

Simplify the above

Weight\ of\ 50\ erasers = \frac{4000}{n}\ grams

Therefore\ the\ weight\ of\ the\ 50\ erasers\ be\ \frac{4000}{n}\ grams.

6 0
3 years ago
Read 2 more answers
Write the equation of the line in fully simplified slope-intercept form.
fiasKO [112]

y = -\frac{1}{2}x - 1

Step-by-step explanation:

Let's pick two points on the line: P_1(-4, 1) and P_2(2, -2). Let's calculate the slope of this line using these points:

m = \dfrac{y_2 - y_1}{x_2 - x_1} = \dfrac{-2 - 1}{2 - (-4)} = -\dfrac{1}{2}

With this value of the slope, we can write the general slope-intercept form of the equation as

y = -\frac{1}{2}x + b

To solve for the y-intercept b, let's use either P1 or P2. I'm going to use P2:

-2 = -\frac{1}{2}(2) + b \Rightarrow b = -1

Therefore, the slope-intercept form of the equation is

y = -\frac{1}{2}x - 1

6 0
2 years ago
What is y=-x+6?........
SIZIF [17.4K]

Answer:

Slope = -2/2 = -1

x-intercept = 6/1 = 6

y-intercept = 6/1 = 6

I wasn't sure what you really were asking for, so I did slope, x, and y.

8 0
3 years ago
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