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butalik [34]
3 years ago
10

Last summer Karl went to the beach every 5 days Antonia went to the beach every 7 days . How often did they see each other?

Mathematics
1 answer:
Nata [24]3 years ago
7 0
They saw each other every 35 days because the gcf that they both go into is 35
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christen has to run around the rectangle soccer field during practice. The soccer field measures 60 meters long by 45 meters wid
Elena L [17]

Answer:

210 m

Step-by-step explanation:

Perimeter is the distance around the outside of a two-dimensional shape.

Area is the space inside of a two-dimensional shape. We can also think of area as the amount of space a shape covers.

Christen ran around the soccer field, so she ran around the perimeter.

We can find the perimeter by adding all of the side lengths.

Perimeter=60 m+45 m+60 m+45 m

Christen ran 210m.

7 0
3 years ago
A single standard six sides die is rolled. what is the probability the roll is a multiple of three given that it is an even numb
tankabanditka [31]
33.3%

Since we are given that it is an even number, we know there is only 3 options (2, 4, 6). Since only one of them is an even number, we know that we need the fraction 1/3 or 33.3% for a probability. 
5 0
3 years ago
please help I have no idea on how to do this please help​ I will give a brainlyist to the first person to answer
Julli [10]
Cutting to the chase, the answer is more than 1 kilometer, up to 1,715 meters. If the speed of sound is 343 meters per second then 343 * 5 = 1,715 meters every 5 seconds
8 0
3 years ago
-x - 1 = 221 + 2x <br> plzzzzzzzzz help
Otrada [13]
Simplifying&#10;-1x + -1 = 221 + 2x&#10;&#10;Reorder the terms:&#10;-1 + -1x = 221 + 2x&#10;&#10;Solving&#10;-1 + -1x = 221 + 2x&#10;&#10;Solving for variable 'x'.&#10;&#10;Move all terms containing x to the left, all other terms to the right.&#10;&#10;Add '-2x' to each side of the equation.&#10;-1 + -1x + -2x = 221 + 2x + -2x&#10;&#10;Combine like terms: -1x + -2x = -3x&#10;-1 + -3x = 221 + 2x + -2x
Combine like terms: 2x + -2x = 0&#10;-1 + -3x = 221 + 0&#10;-1 + -3x = 221&#10;&#10;Add '1' to each side of the equation.&#10;-1 + 1 + -3x = 221 + 1&#10;&#10;Combine like terms: -1 + 1 = 0&#10;0 + -3x = 221 + 1&#10;-3x = 221 + 1&#10;&#10;Combine like terms: 221 + 1 = 222&#10;-3x = 222&#10;&#10;Divide each side by '-3'.&#10;x = -74&#10;&#10;Simplifying&#10;x = -74
5 0
3 years ago
Which equation represents the hyperbola in general form?
valina [46]

ANSWER

D.

9 {y}^{2}  - 4 {x}^{2}- 36y + 16x - 16 = 0

EXPLANATION

The standard equation of the hyperbola is

\frac{ {(y - 2)}^{2} }{4}  -  \frac{ {(x - 2)}^{2} }{9}  = 1

We multiply through by 36 to obtain:

9 {(y - 2)}^{2}  - 4( {x - 2)}^{2}  = 36

We now expand to get,

9( {y}^{2}  - 4y + 4) - 4( {x}^{2}  - 4x + 4) = 36

Expand :

9 {y}^{2}  - 36y + 36  - 4 {x}^{2}  + 16x - 16 = 36

To get the general form, we equate everything to zero to get,

9 {y}^{2}  - 4 {x}^{2}- 36y + 16x - 16 = 0

The correct choice is D.

7 0
3 years ago
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