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blsea [12.9K]
2 years ago
12

In which quadrant is (1/2, -1.8)?

Mathematics
2 answers:
shutvik [7]2 years ago
6 0

Quadrant

1 has all ++ like (4, 5)

2 has -+ like (-4, 5)

3 has --  

4 has + -

Archy [21]2 years ago
3 0

Answer:

The point lies in 4 th quadrant.  

Step-by-step explanation:

Given : Point (\frac{1}{2},-1.8)

To find : In which quadrant is point exist ?

Solution :

We know that,

In quadrant 1 - x and y points are positive

In quadrant 2 - x is negative and y is positive.

In quadrant 3 - x and y both are negative.

In quadrant 4 - x is positive and y is negative.

We have given point (\frac{1}{2},-1.8)

Where, x is positive and y is negative.

Therefore, The point lies in 4 th quadrant.

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-9(m+3) +14=-49 please show work
yKpoI14uk [10]

Answer:

m=4

Step-by-step explanation:

−9(m+3)+14=−49

Step 1: Simplify both sides of the equation.

−9(m+3)+14=−49

(−9)(m)+(−9)(3)+14=−49(Distribute)

−9m+−27+14=−49

(−9m)+(−27+14)=−49(Combine Like Terms)

−9m+−13=−49

−9m−13=−49

Step 2: Add 13 to both sides.

−9m−13+13=−49+13

−9m=−36

Step 3: Divide both sides by -9.

−9m

−9

=

−36

−9

m=4

8 0
3 years ago
The equation h=7sin(pi/21t)+28 can be used to model the height, h, in feet of the end of one blade of a windmill turning on an a
satela [25.4K]

Answer:

7 feet is the length of the blade of the windmill.

Step-by-step explanation:

We have the equation

h = 7 sin(pi/21t) + 28 ------ eq1

At time 't' = 0, the end of the blade is pointing to the right parallel to the ground meaning it is at the same height as the other end. (Ф = 0°)

So, by calculating the maximum height of this end at  Ф = 90°. we can calculate the length of the blade.

Now, we know that a general model equation of a circular simple harmonic motion is represented as :     y = A sinωt + k ----- eq2

Where A is the amplitude that is, maximum displacement from mean to maximum position.

ω is the angular frequency.

Comparing eq1 and eq2:

A = 7

so the difference in blades end height at Ф = 0° and Ф = 90° is 7 feet.

Hence, the length of the blade is 7 feet.

4 0
3 years ago
Read 2 more answers
The question is below thanks
Paha777 [63]

Answer:

FH ~ 10.02

Step-by-step explanation:

1. Approach

One should first find the circumference of the given circle. Then one should find how large the fraction of the circumference one is supposed to find is. Finally, one should multiply the fraction of the circumference one is supposed to find by the total circumference.

2. Circumference of the circle

The formula for circumference is;

2rπ

Substitute in the given values;

It is given that the radius is, hence

2 (7) π

14π

3. Find the fraction of the circumference one is supposed to find

It is given that the angles over the measure of the total degrees of angles in a circle are equal to the arc surrounding the angles of the circumference. Essentially;

\frac{angles}{360}=\frac{arc}{circumference}

Substitute in the given information and solve;

\frac{82}{360}=\frac{arc}{14pi}

arc = \frac{41}{180}*14pi

arc = \frac{287}{90}*pi

arc ~ 10.02

3 0
3 years ago
HELPPPP DUEEE IN A FEW MINSSS PLS HELPPP
avanturin [10]
1.because it’s a straight line that passes through the origin
2.he make $16
3.$96
4. $240/16 per hour = 15
6 0
3 years ago
3x-12y=216 solve for y fully reduced​
Step2247 [10]

3x-12y=216

-3x. -3x

-12y=216-3x

÷-12. ÷-12

Y= -18+1/4x

I think

8 0
2 years ago
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