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vlabodo [156]
3 years ago
8

PLEASE HELP ME I need help I never learned this!!!!

Mathematics
2 answers:
Harlamova29_29 [7]3 years ago
4 0
Rellection across the y-axis, and then rotation 90
counterclockwise around the origin
frosja888 [35]3 years ago
3 0
C. Reflection across the y axis
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Three raised to the square of a number, x, is equal to nine raised to the power two times the same number x decreased by one.
Lady bird [3.3K]

Answer:

Step-by-step explanation:

3^x^2=9^{2x-1}\\3^x^2=(3^2)^{2x-1}\\x^2=4x-2\\x^2-4x+2=0\\X^2-4X+4=-2+4\\(X-2)^2=2\\|x-2|=\pm \sqrt{2} \\x=2+\sqrt{2},2-\sqrt{2}

6 0
3 years ago
Solve this Expression below : W -1/4 = 3 /7 .So that the Question is to Solve for W. ​
mezya [45]

W-1/4= 3/7

W-1/4+1/4= 3/7+1/4

find the common denominator for the fractions

common denominator is 28

Multiply by 4 , top and bottom for 3/7

Multiply by 7 , top and bottom for 1/4

W= 12/28+7/28

W= 19/28

Answer is W= 19/28

4 0
4 years ago
Two months ago, Marty’s dog weighed 3712 pounds. The dog was put on a diet and exercise plan and now weighs 2914 pounds. How muc
deff fn [24]

Answer:

Step-by-step explanation:

3712-2914= 798 pounds

5 0
3 years ago
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If a=(5) and b=(-3)find |a-b|<br> (4). ( 4 )​
alexira [117]

Answer:

8

Step-by-step explanation:

5-(-3)=8

|8|=8

3 0
3 years ago
What three numbers are the Pythagorean triple generated by using 4 for x and 1 for y. Remember to use the formulas:
sertanlavr [38]

Answer:

8, 15, and 17

Step-by-step explanation:

a=4^2 - 1^2 = 15 \\ \\ b=2(4)(1)=8 \\ \\ c=4^2 + 1^2 = 17

7 0
2 years ago
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