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spayn [35]
3 years ago
8

• are equal for _____ value of the variable. • can be reduced or rewritten to look the ______ . Only ______ real value for the v

ariable that shows expressions that are not equal is enough to prove the expressions are not equivalent.

Mathematics
1 answer:
BartSMP [9]3 years ago
7 0

Answer: the first one is what then the 3 one is the

Step-by-step explanation:

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Select all of the potential solution(s) of the equation 2log5x = log54.
Vanyuwa [196]

Answer:

x = ±2

Step-by-step explanation:

A equation is given to us , which is ,

\longrightarrow 2log_5(x) = log_5 4

From <u>properties </u><u>of </u><u>logarithm </u>we know that ,

\longrightarrow alog\ m = log \ m^a

Applying this to LHS , we have ;

\longrightarrow log_5 x^2 = log_5 4

Now the bases of logarithm on LHS and RHS is same . On comparing , we have ;

\longrightarrow x^2 = 4

Put square root on both sides,

\longrightarrow x =\sqrt{4}

Simplify ,

\longrightarrow \underline{\underline{ x =\pm 2 }}

This is the required answer.

6 0
2 years ago
The pentagons JKLMN and PQRST are similar.<br> Find the length x of PQ????? Help plssss
wariber [46]

Answer:

4.5

Step-by-step explanation:

4 0
3 years ago
I need help quick please ​
sweet [91]
B.


Step-by-step explanation:
3 0
2 years ago
Find the number if 5/3% of it is 4.75
Lostsunrise [7]
If 5/3% of some number is 4.75, then 1/3% of that number would be 4.75/5. Then multiply that answer by 3 to get 3/3=1% of the number, and finally multiply by 100 to get 100%.
7 0
3 years ago
Ruben has two congruent wooden dowels. He cuts one dowel in two in order to have three pieces to make a triangle. Explain why, d
e-lub [12.9K]
Let us use the Pythagorean theorem in identifying what triangle can be formed.

Let us assume that the 2 wooden dowels each measure 8 inches. We cut off one wooden dowel into half, so it becomes 2 pcs of 4 inches each.

The 3 wooden dowels now measure, 4 inches, 4 inches, and 8 inches. 

The Pythagorean theorem states: 

a² + b² = c²
4² + 4² = 8²
16 + 16 = 64
34 ≠ 64

The measure of the cut wooden dowel must be longer than the uncut wooden dowel to create a triangle. 

I also tried this on a piece of paper, I cut each piece according to the assumed measure. No triangle can be formed under this activity. 
4 0
3 years ago
Read 2 more answers
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