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denpristay [2]
3 years ago
13

At a sale, Salazar bought 4 T-shirts and 3 pairs of jeans for $181. At the same store, Jenna bought 1 T-shirt and 2 pairs of jea

ns for $94. The T-shirts were all the same price, and the jeans were all the same price. Write a system of equations that can be used to represent this situation
Mathematics
1 answer:
tankabanditka [31]3 years ago
4 0

Answer:

Step-by-step explanation:

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A weed called the raindrop vine is known for growing at a very fast rate. It can grow up to 0.75 feet per day. How fast in inche
jarptica [38.1K]

1 foot = 12 inches.

0.75 feet x 12 inches per foot = 9 inches per day.

1 day = 24 hours.

9 inches /  24 hours = 0.375 inches per hour ( 3/8 inch per hour)

Not sure if you need a decimal or fraction for an answer so I provided both.

3 0
3 years ago
Read 2 more answers
The line l with equation x - 2y + 2 = 0 crosses the y-axis at the point P. The line
Sauron [17]

Answer:

Area of ΔPQR is 28 units²

Step-by-step explanation:

-P is the point with coordinates ( 0, y-intercept for line x-2y+2 =0)

-rearrange the equation in the point-slope form y=mx+b  to find the y coordinate of the point P( 0, b)

x-2y+2 = 0, subtract x and 2 from both sides

-2y = -x-2, divide by -2 both sides

y= (1/2)x +1 so b=1 and P (0, 1)

-Q  is the point with coordinates ( 0, y-intercept for line 3x+y -15 =0)

-rearrange the equation in the point-slope form y=mx+b  to find the y coordinate of the point Q( 0, b)

3x +y -15 =0, subtract 3x and add 15 to both sides

y= -3x +15 so b=15 and Q(0,15)

-R is the intersection of the two lines so is the solution of the system of equations y= (1/2)x +1 and y= -3x +15

(1/2)x +1 =  -3x +15, add 3x and subtract1

(1/2) x+3x = 15-1, combine like terms

(7/2)x = 14 , multiply both sides by 2

7x = 28, divide both sides by 7

x= 4

y= (1/2)x +1 = (4/2) +1 =3 so R(4,3)

- the area of ΔPQR is (base *height)/2

base= 15-1= 14

height = 4

A= (14*4)/2 = 14*2 = 28

6 0
2 years ago
Here are two similar cones. The area of ​​the base of the small cone is equal to 36 t cm2. The radius and apothem of the large c
natta225 [31]
V=1/3(pi)(r)^2(h)
V=1/3(pi)(9)^2(15)
V=1/3(3.14)(81)(15)
Then multiply all numbers in parentheses:
3815.1/3=1271.7 cm^3

Hope this Helps!
3 0
3 years ago
In an algebraic expression, what separates the terms?
PSYCHO15rus [73]
Operations like +, - separates the terms.
Ex: 2x²+ 4yz-z
3 0
3 years ago
Pls help ASAP math help
Alisiya [41]

Answer:

$13.30

Step-by-step explanation:

The discount itself would be $6.65 because 1/3 time $19.95 equals $6.65

then to find the total price after discount you subtract,

$19.95 minus $6.65

final answer is $13.30

6 0
2 years ago
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