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Naddik [55]
3 years ago
9

Whats the answer? pleaseeeeeeeeeee

Mathematics
2 answers:
Helen [10]3 years ago
7 0
Answer =
0.89
Step by step explanation
sergejj [24]3 years ago
6 0

Answer:

D. 0.89

Step-by-step explanation:

Use the change of base rule:

\log_b a = \dfrac{\log_x a}{\log_x b}

\log_9 7 =

= \dfrac{\log_{10} 7}{\log_{10} 9}

= \dfrac{0.8451}{0.9542}

= 0.8856

Answer: D. 0.89

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The table shows the values of a function f(x).
QveST [7]

Answer:

The average rate of change is =-4

Step-by-step explanation:

The average rate of change from x=a to x=b of f(x) is given by;

=\frac{f(b)-f(a)}{b-a}

We want to find the average rate of change of the function represented in the table  from x=-2 to x=2.

=\frac{f(2)-f(-2)}{2--2}

From the table f(-2)=25 and f(2)=9

The average rate of change from x=-2 to x=2 is

=\frac{9-25}{2--2}

=\frac{-16}{4}

=-4

3 0
3 years ago
How to do exponents a quicker way!! Please help my brother!
jekas [21]
You need to remember your exponent rules. I don’t know any easier way to do it. These are all the ones I can remember right now

3 0
2 years ago
line y = 2x+1 is transformed by a dialation with a scale factor of two and centered at (0,-4). what is the equation of the image
Gekata [30.6K]

Answer: y = 2x + 6

Step-by-step explanation:

Here the equation of line,

y = 2x + 1

y-intercept of the line is, (0, 1)

And, the slope of the line is 2.

Since, If a point (x,y) is dilated by a scale factor k about a point (a,b),

Then transformed point are get by,

(x,y)\rightarrow (k(x-a)+a, k(y-b)+b)

Thus, The transformed point of point (0,1) when dilation is occur by the scale factor 2 about the point (0,-4),

(0,-4)\rightarrow (2(0-0)+0, 2(1+4)-4)

(0,-4)\rightarrow (0, 6)

Thus, the point of the new line is (0,6)

And, the slope of the new line is 2 ( because in the dilation, the slope of the line does not change)

Thus, the equation of new line,

(y - 6) = 2 (x - 0)

y - 6 = 2x

y = 2x + 6


5 0
3 years ago
Use the equation: C=0.5n to determine the cost for 14 hamburgers in dollars
Goshia [24]
C=$7.00

C stands for the cost, and n would be the amount of hamburgers. Since we are looking to determine the costs of 14 hamburgers we would have to then multiply 0.5 and 14.

14 x 0.5 =7

So your answer is 7 dollars
7 0
3 years ago
Read 2 more answers
SOMEONE DO NUMBER 1 FOR ME IM RUSHING. GIVING BRAINLIEST!!
MrRissso [65]

Answer:

Step-by-step explanation:

                            Mixed number          Improper fraction

a) 1 + 1 + 1/3 =            2\frac{1}{3}                                7/3

b) 1 + 1 + 1 + 5/8 =     3\frac{5}{8}                                 29/8

c) 1 + 1 + 1 +2/4 =      3\frac{2}{4}                                  14/4

6 0
2 years ago
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