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3 years ago

Answer BOTH questions

Mathematics

1 answer:

Slav-nsk [51]3 years ago

6 0

Answer:

6. C) 2

7. C) 5

Step-by-step explanation:

6. 22 cupcakes

4 children

5 for each child which is 20

22- 20 = 2

25/5 = 5

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Find the values of x and y . Explain please

Len [333]

U see on the on the bottom, it says x=blah and y=blah, I am pretty sure all u have to is plug in the numbers to the equation (2x-70) and (x+30) and (5y)

8 0

4 years ago

25 POINTS AVAILABLE

Softa [21]

Answer:

H = 5 * sqrt(3)

Step-by-step explanation:

H^2 = 10^2 - (10/2)^2

H^2 = 100 - 25

H^2 = 75

H = 5 * sqrt(3)

7 0

4 years ago

Please help me I need help please

MakcuM [25]

Answer:

p = 4

Step-by-step explanation:

Given equation:

$x^2+(p-3)y^2-4x+6y-16=0$

<u>Standard equation of a circle:</u>

$(x-a)^2+(y-b)^2=r^2$

(where $(a,b)$ is the centre of the circle, and $r$ is the radius)

If you expand this equation, you will see that the coefficient of $y^2$ is always one.

Therefore, $p-3=1$

$\implies p=1+3=4$

<u>Additional information</u>

To rewrite the given equation in the standard form:

$\implies x^2+y^2-4x+6y-16=0$

$\implies x^2-4x+y^2+6y=16$

$\implies (x-2)^2-4+(y+3)^2-9=16$

$\implies (x-2)^2+(y+3)^2=16+4+9$

$\implies (x-2)^2+(y+3)^2=29$

So this is a circle with centre (2, -3) and radius √29

3 0

2 years ago

Select the correct answer. The top of a ladder is 10 meters from the ground when the ladder leans against the wall at an angle o

Anna11 [10]

Answer:

4 trust me

Step-by-step explanation:

8 0

4 years ago

Vika can run a mile in 15 minutes, Sandy can run 3

RSB [31]

Answer:

Hyun

Step-by-step explanation:

Vika: 1= 15 minutes

Sandy: 1= 10 minutes

Hyun: 1= 7 minutes

3 0

3 years ago