All categories

3 years ago

HELPPPP really quick

Mathematics

1 answer:

Reika [66]3 years ago

4 0

Answer:

y= 4 - 2/3 x, x= x

Step-by-step explanation: Substitute y=4 -2/3x [2x=12-3 (4-2/3x)]

Simplify: [2x=2x]

For y = 4- 2/3x

Expressing y in terms of x: y= 4 -2/3x

So the solutions to the system of Equations are: y = 4 - 2/3 x, x = x

You might be interested in

A year on mars is 1.88 times as long as a year n Earth.An Earth year lasts 365.3 days.Find the legth of a year on mars.

Kazeer [188]

I got 686.764 days for a year on Mars your welcome

8 0

3 years ago

Maria buys 2 dozen pens at $7.20 a dozen. she then sells the pens at 80c each. calculate her profit

Luda [366]

Her profit is $4.80 :)

$7.20•2=$14.40
24 pens • $0.80 =$19.20
$19.20-$14.40=$4.80 profit :)

3 0

3 years ago

In a random sample of 200 college students, 110 were females,125 were under the age of 21 years of age, and 45 males were 21 yea

Liono4ka [1.6K]

Answer: Option 'a' is correct.

Step-by-step explanation:

Since we have given that

Total number of students = 200

Number of females = 110

Number of students under the age of 21 years of age = 125

Number of males under the age of 21 years or older = 45

So, it becomes

Males Females Total

21 years 45 80 125

21 years or older 45 30 75

Total 90 110 200

So, Probability that a female student age 21 or older is selected is given by

$\dfrac{30}{200}=0.15=15\%$

Hence, Option 'a' is correct.

5 0

3 years ago

Solve for x. Show work<br><br><br> 10-1/2x = 6 + 3x

Vikki [24]

<h3>Answer:</h3>

$x = \frac{8}{7}$

<h3>Step-by-step explanation:</h3>

$10 - \frac{1}{2} x = 6 + 3x$

$20 - x = 12 + 6x$

$20 - x - 6x = 12 + 6x - 6x$

$20 - x - 6x = 12$

$- x - 6x = 12 - 20$

$- 7x = 12 - 20$

$- 7x = - 8$

$x = \frac{8}{7}$

3 0

3 years ago

Read 2 more answers

Mrs. Cervantes wants to paint her windmill. It has six sides, each of which is 3.5 feet wide by 11 feet tall. How many square fe

wolverine [178]

Answer:

231 ft²

Step-by-step explanation:

Given that :

Dimension of each side = 3.5 feets by 11 feets

Area of each side :

Length * width = (3.5 * 11) feets = 38.5 ft²

Number of sides = 6

Hence, number of square feets to paint :

Number of sides * area of each side :

6 * 38.5 ft²

= 231 ft²

7 0

3 years ago