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3 years ago

7. scatterplots easy help asap

Mathematics

2 answers:

Lynna [10]3 years ago

8 0

Answer:

300

Step-by-step explanation: 180 in mins is three hours and the numbers going vertical are to be expressed in hundreds and 3 and 180 meet at a point

Minchanka [31]3 years ago

3 0

Answer:

The answer is 180

Step-by-step explanation:

looking at the line plot, if you go up to the 3 and see where the line intersects with it, you see that it's 180.

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If the sin 30° is one half, then the cos ________° = ________.

svetoff [14.1K]

Step-by-step explanation:

$sin(a) = cos(90 - a)$

60°= one half

7 0

2 years ago

4,265÷6= and explain it plaese

PSYCHO15rus [73]

Answer:

Exact Form:

4265/6

Decimal Form: 710.83

Mixed Number Form:

710 5/6

Step-by-step explanation:

8 0

3 years ago

The equation of a circle is given below. x^{2}+(y-2.25)^{2} = \dfrac{196}{169}x 2 +(y−2.25) 2 = 169 196 x, squared, plus, left

Lostsunrise [7]

Center = $(h,k) = (0,2.25)$
Radius = $r = \frac{14}{13}$

<u>Step-by-step explanation:</u>

Here we have following equation : $x^{2}+(y-2.25)^{2} = \dfrac{196}{169}$

We need to find the center & radius of this circle . Let's find out:

We know that , Equation of a circle is given by :

⇒ $(x-h)^2+(y-k)^2=r^2$ ........(1)

Here , (h,k) are the co-ordinates of center & r is the radius of circle.Collectively called as a circle with radius r and center at (h,k) . Let's frame given equation in question :

⇒ $x^{2}+(y-2.25)^{2} = \frac{196}{169}$

⇒ $(x-0)^{2}+(y-2.25)^{2} = (\frac{14}{13})^2$

On comparing this equation with equation (1) we get :

Center = $(h,k) = (0,2.25)$
Radius = $r = \frac{14}{13}$

6 0

3 years ago

Read 2 more answers

I need this quickly please

IRINA_888 [86]

Answer:

y = 15x + 20 or 15x - y + 20 = 0

x = 11

Step-by-step explanation:

Line is passing through the points (0, 20) & (2, 50)

Slope of line = (50 - 20)/(2 - 0) = 30/2 = 15

Equation of line

y - 20 = 15(x - 0)

y - 20 = 15x

y = 15x + 20 or 15x - y + 20 = 0

Plug y = 185 in above equation, we find:

185 = 15x + 20

185 - 20 = 15x

165 = 15x

x = 165/15

x = 11

5 0

2 years ago

Determine if the triangles, ΔYPQ and ΔNPD, are similar. If so, identify the similarity criterion.

pav-90 [236]

Answer:

The answer to your question is A) they are similar because of AA criterion

Step-by-step explanation:

- ∠ QYP is ≅ to ∠ DNP given

- ∠ QPN is ≅ to ∠ DPN vertical angles

- ∠ YQP is ≅ to ∠ NDP if two angles are congruent third angle

is also congruent.

Conclusion

ΔYPQ is similar to ΔNPD because of AA similarity.

6 0

3 years ago