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gizmo_the_mogwai [7]
3 years ago
13

Insert 9 rational numbers between 3/7 and 4/8​

Mathematics
1 answer:
valina [46]3 years ago
8 0
Answer: 0.43, 0.44, 0.45, 0.46, 0.47, 0.48, 0.49, 0.491, 0.492

Explanation:

3/7 = 0.428...
4/8 = 1/2 = 0.5

0.428 < x < 0.5

x = 0.429 to 0.499

But since we are only choosing 9 rational number:

Then we can pick some from 0.429 - 0.499.
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What is the x-value in the solution to this system of linear equations?
charle [14.2K]
Answer: 4

Solving Steps:
2x-y=11
x+3y=-5

-2x-y=11
-2x-6y=10

-7y=21
y=-3

x+3(-3)=-5
x=4
4 0
3 years ago
Given the function y=2x^3-3x^2. Find the average value of the function over the interval (-1,3)
MArishka [77]

Answer:

Average value of the function over the interval is 3.

Step-by-step explanation:

Average value of the function y = 2x³ - 3x² over the interval (-1, 3) will be defined by the area under curve for the given interval divided by width of the interval.

A = \int\limits^3_ {-1} \, (2x^{3}-3x^{2})dx

   = [\frac{2x^{4}}{4}-\frac{3x^{3}}{3}]^{3}_{(-1)}

   = [\frac{x^{4}}{2}]^{3}_{-1}-[x^{3}]^{3}_{-1}

   = [\frac{3^{4}-(-1)^{4} }{2}]-[3^{3}-(-1)^{3}]

   = [\frac{81-1}{2}]-[27+1]

   = 40-28

   = 12

Width of the interval = 3 - (-1) = 4

Average value = \frac{12}{4}=3

Therefore, average value of the function over the given interval is 3.

8 0
4 years ago
Someone help me please !
Artist 52 [7]

AE x BE = DE x CE

6x5 = 30

6 x DE = 30

DE = 30/6 =5

DC = DE +CE = 5+6 =11

Answer is C) 11

8 0
4 years ago
Question 6<br> 10 pts<br> Simplify 9 - (-4)=<br> 13<br> O-13<br> O 5<br> O-5
USPshnik [31]

9-(-4)=9+4=\boxed{13}

5 0
3 years ago
Read 2 more answers
Tall Which of the is equal to 64 inches 10.1) @ 4 fl © 6 ft
Vanyuwa [196]
B would be the right answer because there are 12 inches in a foot. 

64 divided by 12 is 5 with a remainder of 4 '

5 ft. 4 in.

B








3 0
3 years ago
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