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MakcuM [25]
4 years ago
14

Pleaseee help me with this only 3 questions!!!!

Mathematics
1 answer:
ElenaW [278]4 years ago
5 0

Answer:

2. quadrant 4

3. quadrant 2

4. quadrant 3

Step-by-step explanation:

You can refer to the picture.

2. Since tan\theta less than 0 which means  tan\theta is negative, sin\theta less than 0 which means  sin\theta is negative.

So, the angle lies in quadrant 4 (Cos quadrant)

3. Since tan\theta less than 0 which means  tan\theta is negative, cos\theta less than 0 which means  cos\theta is negative.

So, the angle lies in quadrant 2 (Sin quadrant)

4. Since tan\theta more than 0 which means  tan\theta is positive, sin\theta less than 0 which means  sin\theta is negative.

So, the angle lies in quadrant 3 (tan quadrant)

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In a sample of 169 students, 16 said they donated blood. What percent of students have donated blood?
Leni [432]

Answer:

9/79/169%

Step-by-step explanation:

16/169×100%=9/79/169%

5 0
3 years ago
A farm grew 19.8 tons of wheat in 2013. The farm's wheat output increased by 9.8% from
iogann1982 [59]

Answer:

Step-by-step explanation:

19.8(1.098)(1.051)\approx 22.8 tons

8 0
3 years ago
a sandbox is in the shape of a right triangle. The two legs measure 9 inches and 16 inches. what is the perimeter of the sandbox
rewona [7]

Answer:

Perimeter = 50 inches

Step-by-step explanation:

Use pythagoreon theorem to find the hypotenuse

a^2 + b^2 = c^2

3^2 + 4^2 = 5^2

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8 0
3 years ago
Solve the equation. 4(2m-1) = 16
GaryK [48]
4(2m-1)=16
8m-4=16
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Hope this helps. Just ask if you need a better explanation.
7 0
3 years ago
Read 2 more answers
Please use picture for the question not the writing
Alex787 [66]

\tt \: f(x) =  {x}^{2}  + 4x - 1

To complete the square, the same value needs to be added to both sides

\tt \: f(x)  +  ? =  {x}^{2}  + 4x  + ? - 1

To complete the square, Add 4 on both sides of the equation

\tt \: f(x) + 4 =  {x}^{2}  + 4x + 4 - 1

Use a²+2ab+b²=(a+b)² to factor the expression

\tt \: f(x) + 4 = (x + 2)^{2}  - 1

Move the constant to the right-hand side and change its sign

\tt \: f(x) =  {(x + 2)}^{2} - 1 - 4

Calculate the difference

\tt \: f(x) =  {(x + 2)}^{2} -5

And, We are done solving!!~

\red{ \rule{35pt}{2pt}} \orange{ \rule{35pt}{2pt}} \color{yellow}{ \rule{35pt} {2pt}} \green{ \rule{35pt} {2pt}} \blue{ \rule{35pt} {2pt}} \purple{ \rule{35pt} {2pt}}

<em>The option that corresponds our final answer is option D...</em>

7 0
3 years ago
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