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kupik [55]
3 years ago
8

2/x+3/y=94/x+9/y=21​

Mathematics
1 answer:
Brrunno [24]3 years ago
3 0

Answer:

ok

Step-by-step explanation:

ok

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63 is 90% of what number? using double number lines to get the answer
iren2701 [21]
Since the 90% is 63. divide it by 9. then you would get value of 7. then multiple it by 10.
which is equal to 70. so 100% is 70.
7 0
3 years ago
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Peter tracks the goals he scores in 9 soccer games. In two games Peter scored 2 goals each, in one game he scored 0 goals, in tw
Reika [66]

The average number of goals per game Peter scores, rounded to one decimal place is 1.6

<u><em>Explanation</em></u>

In first two games Peter scored 2 goals each. So, total score in two games = (2×2)= 4

In one game he scored 0 goal and in next two games he scored 3 goals each, so the total is (3×2)= 6

In the last four games he scored 1 goal in each, so the total is (1×4)= 4

So, the total score in all 9 games =4+0+6+4=14

Thus, the average number of goals = \frac{14}{9}= 1.5555....

So, the average number of goals per game Peter scores, rounded to one decimal place is 1.6

3 0
3 years ago
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Evaluate.
ohaa [14]

Step-by-step explanation:

\frac{9.2 \times  {10}^{ - 8} }{2.3 \times  {10}^{3} }  \\  = 4.0 \times  {10}^{ - 11}

8 0
3 years ago
Plz help me i dotn know this
miv72 [106K]

Answer:

it's D. I think 105 cubic feet

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From the table below, determine whether the data shows an exponential function. Explain why or why not.
Ierofanga [76]
X        Δx                                   y             Δy

3                                               1          

1        1 - 3 = - 2                        2             2 - 1 = 1

-1        -1 - 1 = -2                      3              3 - 2 = 1

-3        -3 - (-1) = -2                  4               4 - 3 = 1


So, as you see y in increasing in regular constant intervals, when x also increases in regular constant intervals. => Δy / Δx = constant.

That is the result of a linear function, not an exponential one.

So, the true statement is given by the option <span>(A) No; the domain values are at regular intervals and the range values have a common sum 1. </span>
8 0
3 years ago
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