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3 years ago

7

A penguin walks 10 feet in 6 seconds, so how long does it take for a penguin to walk 45 feet ?? Plz help me its due in a couple

days

1 answer:

Nata [24]3 years ago

6 0

Answer: The penguin would walk 45 feet in around 27 seconds.

Step-by-step explanation: 10 ft = 6 sec, 20ft = 12sec, 30ft = 18 sec, 40 ft = 24 sec, 5 ft = 3 sec

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Juma earns $12.50 for each newspaper subscription he sells. He also earns a $50 base salary each week. If he wants to earn $400

garik1379 [7]

Answer: 400=12.50x+50

400-50=12.50x

350=12.50x

350÷12.50=x

28=x

Step-by-step explanation:

3 0

2 years ago

Read 2 more answers

Am I right ? Because I need help with this please thanks.

bazaltina [42]

to find the hypotenuse (or the ramp in question 4) you can use the equation

$a^{2} +b^{2} =c^{2}$

with a and b being the 3 feet and 9 feet and c being the unknown (ramp).

So if you plug 3 and 9 into the equation, it looks like this.

$3^{2} +9^{2} =c^{2}$

then square them.

$9+81=c^{2}$

simplify.

$90=c^{2}$

take the square root of both sides.

$\sqrt{90} = c$

$\sqrt{90}$ is approx. 9.5 so the answer would be H.

7 0

3 years ago

The Mazurskys decide to retile their mud room in 18 in. by 18 in. tiles. If their mudroom is 5 ft 6 in. by 13 ft, how many tiles

Mrac [35]

The area of one tile is 18 x 18 = 324 square inches.

Convert the dimensions of the room into inches:

5 ft 6 in. = 66 inches.

13 ft = 156 inches.

The area of the room is: 156 x 66 = 10296 square inches.

To find the number of tiles needed, divide the total area of the room by the area of one tile:

10,296 / 324 = 31.78, which means they will need 32 tiles.

4 0

3 years ago

Read 2 more answers

Help :D .......................

LUCKY_DIMON [66]

Answer:

The circunference is represented by the equation is $x^{2}+y^{2}-6\cdot x +4\cdot y +9=0$ .

The graph of this function is presented in the attachment.

Step-by-step explanation:

The general equation of the circunferece is defined by the following formula:

$x^{2}+y^{2}+A\cdot x + B\cdot y + C = 0$ (1)

We can determine the value of the coefficients by knowing three distinct points: $(x_{1}, y_{1}) = (3,0)$ , $(x_{2},y_{2}) = (5,-2)$ , $(x_{3},y_{3}) = (1, -2)$

The system of linear equations is:

$3\cdot A + C = -9$ (2)

$5\cdot A -2\cdot B + C = -29$ (3)

$A -2\cdot B + C = -5$ (4)

The solution of this system is: $A = -6$ , $B = 4$ , $C = 9$ .

The circunference is represented by the equation is $x^{2}+y^{2}-6\cdot x +4\cdot y +9=0$ .

The graph of this function is presented in the attachment.

7 0

2 years ago

Assume Cylinder A and Cone B are the same height and the bases have the same radius. If A has a volume of 18π cm3, what is the v

Tomtit [17]

The answer is a because you multiply Cylinder A by 1/3 to get Cone B

7 0

3 years ago