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3 years ago

Write 343 with an exponent by using 7 as the base

Mathematics

2 answers:

pochemuha3 years ago

8 0

7^3 = 343

7×7=48
7×7×7=343

stira [4]3 years ago

5 0

343=7^?
divide both sides by 7
49=7^(?-1)
divide both sides by 7

7=7^(?-2)
7^1=7^(?-2)
1=?-2
3=?

answer is 7^3

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3 years ago

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

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

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3 years ago

Using appropriate properties find: 2/3 × 3/4 + 3/7 × 3/4

Viktor [21]

Answer:

$\frac{23}{28}$

Step-by-step explanation:

$\frac{2}{3} \times \frac{3}{4} + \frac{3}{7} \times \frac{3}{4}$

$= > \frac{3}{4} ( \frac{2}{3} + \frac{3}{7} )$

$= > \frac{3}{4} \times \frac{23}{21}$

Reducing 3 from numerator and denominator,

$= > \frac{23}{4 \times 7} = \frac{23}{28}$

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2 years ago