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11111nata11111 [884]
3 years ago
13

Pls answer immediately I need help pls

Mathematics
2 answers:
nignag [31]3 years ago
7 0

Answer:

Step-by-step explanation:

2^{3}*2^{4}= 2^{3+4} = 2^{7} = 128

In exponents multiplication, if bases are same, we have to add the only  the powers

nekit [7.7K]3 years ago
3 0

Answer:

2^3*2^4=4^7 is wrong.

Step-by-step explanation:

2^3*2^4=2^7

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Why are linear functions sometimes symmetric about the y-axis but never symmetric about the x-axis
lina2011 [118]
Test for symmetry about the x-axis: Replace y with (-y). Simplfy the equation. If the resulting equation is equivalent to the original equation then the graph is symmetrical about the x-axis. Example: Use the test for symmetry about the x-axis to determine if the graph of y - 5x2 = 4 is symmetric about the x-axis.
Test for symmetry about the y-axis: Replace x with (-x). Simplfy the equation. If the resulting equation is equivalent to the original equation then the graph is symmetrical about the y-axis. Example: Use the test for symmetry about the y-axis to determine if the graph of y - 5x2 = 4 is symmetric about the y-axis.
I didn't fully understand the question but this is the best I can do! Hope this helps! :D
7 0
3 years ago
What will be the result of substituting 2 for x in both expressions below?
Gnom [1K]

Answer: pretty sure the answer is A

Step-by-step explanation:

1/2(2) + 4 = 1 + 4 = 5

2 + 6 - 1/2(2) -2 = 8 - 1 - 2 = 5

3 0
3 years ago
Read 2 more answers
a force of 2 pounds is needed to stretch a spring 8 inches.what force is required to stretch the spring 16 inches
Korvikt [17]

Answer:

Four (4) pounds

Step-by-step explanation:

Because we required two (2) pounds to stretch the spring eight (8) inches, we need double the force to stretch it sixteen (16) inches. Sixteen is just double the original amount, meaning we need four (4) pounds to stretch the spring sixteen inches.

Hope this helps!

5 0
3 years ago
What is the equation of the line that passes through the points given in the table
Zepler [3.9K]

Answer:

B: y = -2x + 5

Step-by-step explanation:

-2 - 1 = -3

9 - 3 = 6

\frac{6}{-3} = -2

gradient = -2

3 = 1 x -2 + c

3 = -2 + c

5 = c

y intercept = 5

equation = y = -2x + 5

so the answer is option b

7 0
3 years ago
After a 10% discount it became $450?
REY [17]
0.9x = 450
x = 450/0.9
x = 500

Answer = 500
7 0
3 years ago
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