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2 years ago

A lake covers a surface area of about 20,000 square miles.

Mathematics

1 answer:

trapecia [35]2 years ago

4 0

Step-by-step explanation:

2×1000¹⁰

hope this helps

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after a birthday party, 1 4 of a large cake was left. If this piece of cake was shared equally among the 6 people, what fraction

il63 [147K]

The 6 people each got $\frac{1}{24}$ . To get this answer you need to divide the $\frac{1}{4}$ of the cake among 6 people.

Equation ⇒ $\frac{1}{4}$ x $\frac{1}{6}$

You get the answer by multiplying the bottom denominators.

8 0

2 years ago

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Kayla has a bowl of beads that contains 42 yellow beads, 28 green beads, 12 white beads, and 18 red beads. She randomly draws a

podryga [215]

42 + 28 + 12 + 18 = 100 total beads

probability of not drawing a yellow or a green : (12 + 18) / 100 = 30/100 reduces to 3/10 or 30%

probability of drawing a red or green : (18 + 28) / 100 = 46/100 reduces to
23/50 or 46%

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2 years ago

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What is y=3x-4and y=x-2

IrinaVladis [17]

Answer:

x= 1

y= -1

Hope this helps!

Step-by-step explanation:

1 Substitute y=3x−4 into y=x-2

3x-4=x-2

2 Solve for x in 3x-4=x-2

x=1

3 Substitute x=1 into y=3x-4

y=-1

4 Therefore,

x=1

y=-1

3 0

2 years ago

Help! What is 5(3^3*3^-3) (Use Laws of Exponents) Thanks:)

RideAnS [48]

(3^3)* (3^-3)= 3^0
Remember that if you have the same base, add the exponents.

3^0=1

5(1)=5

Final answer: 5

3 0

3 years ago

Seis manzanas y 8 peras cuestan $26. ¿Cuanto cuesta cada pera y cada manzana sabiendo que cada manzana cuesta el triple de lo qu

Rom4ik [11]

Usando un sistema de ecuaciones, se encuentra que

Cada manzana cuesta $3.
Cada pera cuesta $1.

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Un sistema de ecuaciones soluciona esta pergunta.
El custo de una manzana es x.
El custo de una pera es y.

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Seis manzanas y 8 peras cuestan $26, o sea, $6x + 8y = 26$
Cada manzana cuesta el triple de cada pera, o sea, $x = 3y$

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Primero, encontramos el cuesto de una pera, substituyendo la segunda en la primera ecuación.

$6x + 8y = 26$

$6(3y) + 8y = 26$

$18y + 8y = 26$

$26y = 26$

$y = \frac{26}{26}$

$y = 1$

Cada pera cuesta $1.

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Cada manzana cuesta el triple de cada pera, o sea, $x = 3y = 3(1) = 3$ .

Cada manzana cuesta $3.

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2 years ago