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Alex
3 years ago
8

Which equation is true for all x- and y- values in the table below?​

Mathematics
2 answers:
Liula [17]3 years ago
6 0

Put in 1 for x and which problem gives you 7

the answer is y=7x

ratelena [41]3 years ago
6 0

Answer:  The correct option is (D) y=7x.

Step-by-step explanation:  We are given to select the correct equation that is true for all x and y in the following table :

x      1       2        3       4  

y     7      14       21     28

From the above table of values of x and y, we note the following :

(1,7)~~~~\Rightarrow 7=7\times 1,\\\\(2,14)~~~\Rightarrow 14=7\times2,\\\\(3,21)~~~~\Rightarrow 21=7\times3,\\\\(4,28)~~~~\Rightarrow 28=7\times4.

Therefore, we can conclude the following equation :

y=7\times x\\\\\Rightarrow y=7x.

Thus, the correct option is (D).

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The answer is 12/70 you can simplify it
4vir4ik [10]

Answer:

6/35

Step-by-step explanation:

12 divided by 2 is 6 and 70 divided by 2 is 35

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Totsakan's school is selling tickets to a spring musical. On the first day of ticket sales the school sold 1 adult tickets and 8
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Answer:

Each ticket cost $13

Step-by-step explanation:

Day 1-- 1 adult and 8 child ticket= Total of 9 tickets = $117

Day 2--6 adult and 8 child ticket= Total of 14 = $182

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Whats y⁵ ×y im confused lol pls respond to this​
klemol [59]

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5y^5

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3 0
3 years ago
A flow meter is attached in a hydraulic line that measures 18 gal/min. The line has an inside diameter of 1.0 in. What is the fl
snow_tiger [21]

The flow velocity measured as in/min at the meter is 5924.13 in/min

<h3 /><h3>Volumetric flow rate</h3>

We know that the volume flow rate Q = Av where

  • A = cross-sectional area of pipe and
  • v = flow velocity

Now, Q = 18 gal/min

Converting this to in³/min, we have

Q = 18 gal/min = 18 × 1 gal/min = 18 × 231 in³/min = 4158 in³/min

A = πd²/4 where d = diameter of pipe = 1.0 in.

<h3 /><h3>Flow velocity, v</h3>

Since Q = Av, making v subject of the formula, we have

v = Q/A

v = 4Q/πd²

Substituting the values of the variables into the equation, we have

v = 4Q/πd²

v = 4 × 4158 in³/min ÷ π × (1.0 in)²

v = 16632 in/min ÷ π

v = 5924.13 in/min

So, the flow velocity measured as in/min at the meter is 5924.13 in/min

Learn more about flow velocity here:

brainly.com/question/15648466

5 0
2 years ago
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