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VLD [36.1K]
3 years ago
11

Can someone please help me with this​

Mathematics
1 answer:
vovangra [49]3 years ago
3 0

Answer:

y = 5

z = 55

Step-by-step explanation:

90 - 35 = 55

z = 55

7y = 35

\frac{7y}{7} = \frac{35}{7}

y= 5

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Can someone please help me please
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2 years ago
Grade 9 transformation graph
yaroslaw [1]

Answer:

1) D

2) C

3) A

4) B

Step-by-step explanation:

Ok, we need to try each function in the point x = 0 and then analyze the limit as x goes to really large values.

1) g(x) = -3^x

When x = 0, we have:

g(0) = -3^0 = -1

Then we know that the graph of this function will be either A or D.

Now, as x goes to really large values, 3^x will eventually approximate to infinity.

Then - 3^x will approximate to negative infinnity.

From that, we can conclude that the graph for this function is the one that goes to negative infinite as x increases. That is graph D.

2) h(x) = (1/3)^(-x) = 3^x

This is the exact opposite of the previous function. So we need to find the graph that is an exact reflection across the x-axis of graph D, and that one is the graph C.

then the graph if this function is C.

3) k(x) = - (1/3)^x = -1/(3^x)

When x = 0

k(0) = -(1/3)^0 = -1

We have two options with a y-intersect at y = -1  (graph A and D) and in this case, we can see that the part that grows fast is in the denominator, then as x increases, the denominator increases, and thus the function will tend to zero, then the graph of this function is graph A.

4) g(x) =  3^(-x) = 1/(3^x)

g(0) = 1/(3^0) = 1/1 = 1

And same as before, as x increases, g(x) tends to zero.

Then the remaining graph (B) is the graph of this function.

3 0
3 years ago
An item is priced at $13.55. If the sales tax is 4%, what does the item cost including sales tax? A. $0.54 B. $18.97 C. $14.09 D
Natasha_Volkova [10]
How To Solve It:

$13.55 x 0.04 = 0.54

$13.55 + 0.54 = $14.09

Answer:

$14.09

I hope this helps! :)
7 0
3 years ago
Read 2 more answers
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