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4 years ago

Which equation represents the line 5x - y = 3 in slope-intercept form?

Mathematics

1 answer:

Nat2105 [25]4 years ago

7 0

Answer:

y=5x-3

Step-by-step explanation:

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Andrew has a coupon for 20 % off of the price of any CD. If he purchases a CD originally priced at $16, what will the discounted

BartSMP [9]

Answer:

If you want to turn a percentage into a fraction divide by 100:

20%/100 = 0.2

0.2*16 = 3.2$

and if you want to turn a decimal into a fraction multiply by 100.

His discounted price will be 3.2$.

Have a nice day! :-)

and if you have questions please ask!

5 0

3 years ago

I need help with this question.

strojnjashka [21]

Step-by-step explanation:

$\frac{1}{4} = \frac{1 \times 5}{4 \times 5} = \frac{5}{20} \\ \\ \frac{2}{5} = \frac{2\times 4}{5 \times 4} = \frac{8}{20} \\ \\ \because \: 5 < 8 \\ \therefore \: \frac{5}{20} < \frac{8}{20} \\ \\ \huge \red{ \boxed{\therefore \: \frac{1}{4} < \frac{2}{5}}}$

8 0

3 years ago

Read 2 more answers

What is 221000000000000000000 expressed in scientific notation

alexgriva [62]

Answer:

2,21 * 10^20

Step-by-step explanation:

5 0

3 years ago

Read 2 more answers

In a relay race, Jill runs 250 meters in 1.5 minutes. She hands the baton to John, who walks for 3 minutes at a rate of 70 meter

disa [49]

9514 1404 393

Answer:

560 m

Step-by-step explanation:

Jill's distance is given as 250 m.

John's distance can be computed as ...

distance = speed × time = (70 m/min)(3 min) = 210 m

Suzy's distance is given as 100 m.

Then the total distance is ...

250 m + 210 m + 100 m = 560 m

The distance traveled is 560 m in this relay.

5 0

3 years ago

Please help with these

Nookie1986 [14]

The values would be

sin2x = -3/5

cos2x = -4/5

tan2x = 3/4

What are double angles in trigonometry?

The double angle formulas are used to find the values of double angles of trigonometric functions using their single angle values. For example, the value of cos 30° can be used to find the value of cos 60°. Also, the double-angle formulas can be used to derive the triple-angle formulas.

Given: tanx = -3

Now as we know,

$sin2x=\frac{2tanx}{1+tan^2x}\\\\sin2x=\frac{2(-3)}{1+(-3)^2}\\\\sin2x=\frac{-6}{10}\\\\sin2x=\frac{-3}{5}$

Now

$cos2x=\frac{1-tan^2x}{1+tan^2x}\\\\cos2x=\frac{1-(-3)^2}{1+(-3)^2}\\\\cos2x=\frac{1-9}{1+9}\\\\cos2x=\frac{-8}{10}\\\\cos2x=\frac{-4}{5}$

And similarly, we can find the value of tan2x, as

tan2x = sin2x/cos2x

= (-3/5)/(-4/5)

= 3/4

Hence,

The values would be

sin2x = -3/5

cos2x = -4/5

tan2x = 3/4

To learn more about double angles in trigonometry, visit:

brainly.com/question/6277459

#SPJ1

6 0

2 years ago