2 years ago

Evaluate f plz easy 20 pts

Mathematics

1 answer:

noname [10]2 years ago

3 0

Answer:

the 2nd option

Step-by-step explanation:

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Which diagram contains a pair of similar triangles?

Musya8 [376]

Answer:

Step-by-step explanation:

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3 years ago

Please help me out :)

arlik [135]

Answer:

$\frac{\sqrt{17} }{7}$

Step-by-step explanation:

Using the Pythagorean identity

sin²x + cos²x = 1, then

sinx = $\sqrt{1-cos^2x}$

Note that ( $\frac{4\sqrt{2} }{7}$ )² = $\frac{32}{49}$

sinΘ = $\sqrt{1-(32/49)}$

= $\sqrt{\frac{17}{49} }$ = $\frac{\sqrt{17} }{7}$

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3 years ago

How do you solve this, r-4<1

Romashka-Z-Leto [24]

Answer:

r <5

Step-by-step explanation:

r-4<1

Add 4 to each side

r-4+4<1+4

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3 years ago

A toaster is marked up $10 and sells for $45. Find the cost and percent markup, if the markup is based on cost.

Marina86 [1]

About 20% I would say. Hope I helped, please award brainliest!

6 0

3 years ago

Read 2 more answers

Ann purchased a prepaid phone card for $20. Long distance calls cost 11 cents a minute using this card. Ann used her card only o

inn [45]

Answer:

I believe the answer is 33 minutes.

Step-by-step explanation:

20$-16.37 is 3.63$

.11cents × 33 minutes is 3.63$

4 0

3 years ago