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iren2701 [21]
3 years ago
9

Free

Mathematics
1 answer:
Aleksandr [31]3 years ago
6 0

Answer:

tysm. Have a wonderful day...

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Given that sinθ=-3/4 in quadrant 4 find cosθ
Gekata [30.6K]

Step-by-step explanation:

sin∅=-3/4 in 4 quadrant which sine is negative there

using soh cah toa

sin=opp/hyp

where our opp=-3 and our hyp=4

using pythagoras theorem

hyp²=opp²+adj²

(4)²=(-3)²+adj²

16=9+adj²

16-9=adj²

adj²=7

adj=√7

from soh cah toa

cos∅=adj/hyp

cos∅=√7/4

4 0
2 years ago
What is the total value in cents of x quarters, y nickels, and z pennies?
lesya692 [45]

Answer:

25x + 5y + z cents

Step-by-step explanation:

1 quarter is worth 25 cents.

1 nickel is worth 5 cents.

1 penny is worth 1 cent.

Therefore, x quarters, y nickels and x pennies will be worth:

(x * 25) + (y * 5) + (z * 1)

= 25x + 5y + z cents

4 0
3 years ago
9^2 - (4) (2) (-6) what is the answer?
Rus_ich [418]

Answer:

129

Step-by-step explanation:

pls heart and give brainliest much appreciated

4 0
3 years ago
How do I factorise 42x-18
ikadub [295]
6 (7x - 3) 

You have to factor 6 out of 42x - 18.

Hope this Helps!!
7 0
3 years ago
Read 2 more answers
If 5-3(2a+1)=-4a+10, what is the value of a+2​
AlekseyPX

Answer:

-2

<em>BRAINLIEST, PLEASE!</em>

Step-by-step explanation:

5 - 3(2a + 1) = -4a + 10

5 - 6a - 3 = -4a + 10

2 - 6a = -4a + 10

-2a = 8

a = -4

-4 + 2 = -2

5 0
3 years ago
Read 2 more answers
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