All categories

4 years ago

WILL GIVE BRAINLYLIST IF AWNSERD IN LESS THAN 5 MIN The map shows the location of four places in a city:

Mathematics

1 answer:

Kamila [148]4 years ago

4 0

Answer:

The correct answer is (-2,-5).

Step-by-step explanation:

Ordered pairs in the first quadrant: x>0 and y>0.

Ordered pairs in the second quadrant: x<0 and y>0.

Ordered pairs in the third quadrant: x<0 and y<0.

Ordered pairs in the fourth quadrant: x>0 and y<0.

If City Park is shown on (-3,-4), then in the third quadrant.

Jade's house is in the same quadrant as the city park. Which of the following could be the coordinates of Jade's house?

(2, 5)

(−2, 5)

(2, −5)

(−2, −5)

You might be interested in

Convert the Cartesian equation x^2 + y^2 = 16 to a polar equation.

RideAnS [48]

Answer:

Problem 1: $r=4$

Problem 2: $r=-2\sin(\theta)$

Problem 3: $r\sin(\theta)=3$

Step-by-step explanation:

Problem 1:

So we are going to use the following to help us:

$x=r \cos(\theta)$

$y=r \sin(\theta)$

$\frac{y}{x}=\tan(\theta)$

So if we make those substitution into the first equation we get:

$x^2+y^2=16$

$(r\cos(\theta))^2+r\sin(\theta))^2=16$

$r^2\cos^2(\theta)+r^2\sin^2(\theta)=16$

Factor the $r^2$ out:

$r^2(\cos^2(\theta)+\sin^2(\theta))=16$

The following is a Pythagorean Identity: $\cos^2(\theta)+\sin^2(\theta)=1$ .

We will apply this identity now:

$r^2=16$

This implies:

$r=4 \text{ or } r=-4$

We don't need both because both of include points with radius 4.

Problem 2:

$x^2+y^2+2y=0$

$(r\cos(\theta))^2+(r\sin(\theta))^2+2(r\sin(\theta))=0$

$r^2\cos^2(\theta)+r^2\sin^2(\theta)+2r\sin(theta)=0$

Factoring out $r^2$ from first two terms:

$r^2(\cos^2(\theta)+\sin^2(\theta))+2r\sin(\theta)=0$

Apply the Pythagorean Identity I mentioned above from problem 1:

$r^2(1)+2r\sin(\theta)=0$

$r^2+2r\sin(\theta)=0$

or if we factor out r:

$r(r+2\sin(\theta))=0$

$r=0 \text{ or } r=-2\sin(\theta)$

r=0 is actually included in the other equation since when theta=0, r=0.

Problem 3:

$y=3$

$r\sin(\theta)=3$

8 0

4 years ago

A cookie recipe calls for 1/3 of a cup of sugar and 1 1/2 cups of flour. What is the unit rate of flour to sugar for the cookie

Serggg [28]

Answer:

Rate = 4.5

Step-by-step explanation:

It is given that,

A cookie recipe calls for 1/3 of a cup of sugar and 1 1/2 cups of flour.

We need to find the unit rate of flour to sugar for the cookie recipe. It can be calculated as follows :

$U=\dfrac{\text{No of cups of flour}}{\text{No of cups of sugar}}\\\\=\dfrac{1\dfrac{1}{2}}{\dfrac{1}{3}}\\\\=\dfrac{\dfrac{3}{2}}{\dfrac{1}{3}}\\\\=\dfrac{3}{2}\times 3\\\\=4.5$

So, the unit rate of flour to sugar for the cookie recipe is 4.5

6 0

3 years ago

Find the length of the segment indicated.

Goryan [66]

Answer:

I think the answer is 12.5

4 0

4 years ago

I need help with 5***.

anygoal [31]

This statement may not be true because if 3 more people voted for pop, then that's 3 less votes for the other choices, and 1 or maybe 2 of those votes may have come from water, meaning pop would then be the most popular.

8 0

4 years ago

Describe and correct the error in the solving equation

tester [92]

Answer:

the error is that you have passed the negative sign alongside with the 0.8 but you have corrected by putting the -0.8 in the parentheses. if you used a computer check your answer something that could have messed up was the negative sign on the right side of the r in the part where It says r=12.6+(-0.8)

8 0

3 years ago