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IRINA_888 [86]
3 years ago
8

Are the numbers 4/7 and 10/17.5 a proportion? Same question for the following....

Mathematics
2 answers:
zhenek [66]3 years ago
8 0
Proportional:

4/7 and 10/17.5
2/3 and 9/12
18/8 and 9/4


NOT proportional:

3/8 and 6/141
7/5 and 27/50
Serjik [45]3 years ago
6 0

Answer:

previous answer is right -

Step-by-step explanation:

2/3 and 9/12 is not proportional

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Find all zeros for f(x)=x(5x-2)(x^2+1)
Svetach [21]
Factoring x2+5x-1

The first term is, x2 its coefficient is 1 .
The middle term is, +5x its coefficient is 5 .
The last term, "the constant", is -1

Step-1 : Multiply the coefficient of the first term by the constant 1 • -1 = -1

Step-2 : Find two factors of -1 whose sum equals the coefficient of the middle term, which is 5 .

-1 + 1 = 0

Conclusion : Trinomial can not be factored

Final result :

x2 + 5x - 1
This is what did but I not sure it's right?!
5 0
3 years ago
There was a layer of snow on joes driveway when it began to snow again. As the snow fell, joe measure the depth, in centimeters
OLga [1]
The minutes will be ur x axis and the cm of snow will be ur y axis

(10,2),(30,3.6).....using 2 points and the slope formula : (y2 - y1) / (x2 - x1)

slope = (3.6 - 2) / (30 - 10) = 1.6 / 20 = 0.08 cm per minute <=== 
4 0
2 years ago
Urgent!!!!
LekaFEV [45]

Answer:

One pair of socks is $370.

Step-by-step explanation:

Sean bought <em>three pairs</em> of the same socks and a shoe polish for $1450. If the

polish cost $340, how much is the cost of <em>one pair</em> of socks.

6x - 340 = 1450

6x = 1450 -340

6x = 1110

2x = 1110 / 3

2x = 370

8 0
2 years ago
Read 2 more answers
A flood a creek's water level changes by −4 7/10 feet in 2 hours. What is the average change in the creek's water level per hour
dezoksy [38]

Answer:

-2.35

Step-by-step explanation:

Divide -4.7/2 = -2.35

3 0
2 years ago
The inverse of G(x) is a function.<br> A. True<br> . B. False
Flauer [41]

Answer:

The answer of this question is FALSE.

8 0
2 years ago
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