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Shalnov [3]
3 years ago
14

AAAAAAAAA help please​

Mathematics
1 answer:
Firdavs [7]3 years ago
4 0
The answer is the first one BC ~ CD
Ok done. Thank to me:>
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The standard tip in a restaurant is 15% of the bill before tax. Many people in California find the tip by doubling the sales tax
cricket20 [7]
To answer this you could do a couple things. 1. Actually calculate both tips and then subtract them. Here is the math ( assuming it is $60, not 60% that you mean). a. 0.15 x 60 = $9. b. 0.0825 x 2 x 60=$9.90. c. 9.90-9.00= $0.90 difference.

The other strategy would be to find the difference on the percents and then multiply by $60. a. 8.25%x2=16.5%-15%. Difference of 1.5%. b. 0.015 x $60=$0.90.
3 0
4 years ago
Which one doesn’t belong and why? (look at the picture)
QveST [7]
I think b because all the other lines are the same length and b lines aren’t
7 0
3 years ago
If g(x) = 3x^2+2x-1. Find g(-1).​
Mandarinka [93]

Step-by-step explanation:

g(x) = 3x² + 2x - 1

g(-1) = 3(-1)² + 2(-1) - 1

= 3(1) -2 -1

= 3 - 3

= 0

5 0
3 years ago
In a scale drawing of a garden, a distance of 35 feet is represented by a line segment 4 inches long. on the same drawing, what
nalin [4]

Answer:

122.5\ ft

Step-by-step explanation:

we know that

Using proportion

\frac{35}{4}\frac{ft}{in}=\frac{x}{14}\frac{ft}{in}\\ \\x=35*14/4\\ \\x=122.5\ ft

7 0
3 years ago
Use unit circle to determine sine, cosine and tangent functions of the angle 5pi/4
Brrunno [24]
5pi/4 is located in quadrant III.
In Q III, sin and cos are negative, tan is positive.
T-bar for 5pi/4 is pi/4.
sin and cos are - (sqrt 2)/2
Tan is 1
5 0
3 years ago
Read 2 more answers
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