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Anuta_ua [19.1K]
3 years ago
11

If tan x = .76 and cos x = .22, what is sin x?

Mathematics
1 answer:
andrezito [222]3 years ago
3 0
If we have in mind that tanx = sinx / cosxso we can rightly say that sinx=tanx×cosx
If you place the data in the right places, the answer should be 0.1672
I hope this can help you greatly
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4x^2-7x=15<br> Solve by factoring and please please please explain or show the work
vodomira [7]

Answer:

x=3 and x=-1.25

Step-by-step explanation:

4x^2-7x=15

subtract 15 from each side:

4x^2-7x-15=0

factor  (trying different numbers that the sum is 7 and the quotient is 15)

(2x-6 )(2x+2.5 )=0

2x-6=0 add 6 to each side

2x=6

x=3

2x+2.5=0   subtract 2.5 from each side

2x=-2.5

x=-1.25

8 0
3 years ago
What equation represents the relationship between p and q shown in the table
mash [69]

q = 10p because all of them are multiplied by ten

6 0
3 years ago
Jayden is debating whether to use a straightedge and compass or a computer drawing program to complete a construction of an equa
kenny6666 [7]
Computer drawing program
5 0
3 years ago
What is the circumference of a circle with area 50cm2. Give your answer to three significant figures.
Mnenie [13.5K]

Answer:

c = 25.1

Step-by-step explanation:

C = 2\sqrt{pi A}

C = 2 \sqrt{3.14 * 50 }

C = 25.1

Mark me brainly plz

7 0
3 years ago
HELPPPPPPPPPPP
liubo4ka [24]
<span>(A) Find the approximate length of the plank. Round to the nearest tenth of a foot.
Given that the distance of the ground is 3ft.
In order to get the length of the plank,
we can use the this one.

cos 49 = ground / plank
cos 49 = 3 / plank
plank = cos 49 / 3
plank = 0.10 ft

</span><span>(b) Find the height above the ground where the plank touches the wall. Round to the nearest tenth of a foot.
</span><span>
The remaining angle is equal to
angle = 180 - (90+49)
angle = 41

Finding the height.
tan 41 = height / ground
tan 41 = height / 3
height = tan 41 / 3
height = 0.05 ft.

(A) 0.10 feet
(B) 0.05 feet</span>
3 0
3 years ago
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