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lawyer [7]
3 years ago
8

Simplify (4/5) (5/6) (6/7) (7/8) (8/9)

Mathematics
2 answers:
egoroff_w [7]3 years ago
8 0
4/9 thank you for the points
JulijaS [17]3 years ago
5 0

Answer:

4/9

Step-by-step explanation:

using cross canceling you see

(4(5)(6)(7)(8))/(5(6)(7)(8)(9))

everything cancels except for the 4 on top and the 9 on the bottom so

4/9

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Steve uses an app that shows him how many kilometers he has run to prepare for a marathon. The app said he ran 6.436 kilometers.
8_murik_8 [283]

Steve ran 4 miles.

Step-by-step explanation:

Given,

Distance = 6.436 kilometers

According to given statement;

1 mile = 1.609 kilometers

Therefore,

Distance in miles = \frac{Distance\ in\ kilometers}{1.609}

Distance in miles =\frac{6.436}{1.609}\\Distance = 4\ Miles

Steve ran 4 miles.

Keywords: Distance, Division.

Learn more about division at:

  • brainly.com/question/6069822
  • brainly.com/question/6073431

#LearnwithBrainly

4 0
3 years ago
Which system of equations is graphed below? On a coordinate plane, a line goes through (0, 1) and (4, negative 2) and another go
natulia [17]

Answer:

The correct option is (B)

(B) x-y = 6 , 3x+4y = 4

Step-by-step explanation:

As we can see in the graph given below, both lines intersect at (4, -2), which should be the solution of given equations:

Find the values of x and y for (B);

x - y = 6 ⇒ (i)

3x + 4y = 4 ⇒ (ii)

Lets consider equation (i)

x - y = 6

x = 6 + y

Substitute in equation (ii)

3(6+y) + 4y = 4

18 + 3y + 4y = 4

7y = -14

y = -2

Substitute in equation (i)

x - (-2) = 6

x + 2 = 6

x = 6 - 2

x = 4

As solution of part C is also (4, -2), it represents the graph

You can also find the (x, y) for other options the similar way, which will show you they don't have the same value

4 0
3 years ago
Read 2 more answers
-9(-5k + 3m) + 9m - 5(-5m + 9k) <br> Rewrite in simpler terms
Natalka [10]

Answer:

7m

Step-by-step explanation:

-9(-5k + 3m) + 9m - 5(-5m + 9k)

Distribute

45k -27m +9m +25m -45k

Combine like terms

45k -45k   -27m+9m+25m

0k + 7m

7m

6 0
3 years ago
Read 2 more answers
slips of paper numbered 1 to 50 are placed in a hat. of a person picks a slip of paper out of the hat, what is the probability t
Rashid [163]

the probability is 5/50


3 0
3 years ago
Read 2 more answers
50 POINTS!! Please please help find height and volume of pyramid!!!
nikdorinn [45]

FORMULA:

Volume of pyramid = L × B × H/3

Height of pyramid = 3V/area of base(L × B)

ANSWER:

So, we have to just plug the respective value.

Height of given pyramid = √(22.1² - 14²)

  • √(488.41 - 196)
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Now, Volume of given pyramid = 28 × 28 × 17.1/3

  • 784 × 17.1/3
  • 4468.8m³
6 0
3 years ago
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