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juin [17]
3 years ago
8

Ben bought 4 pairs of jeans and a T-shirt that cost $8 .He had a coupon for $3 off the prices of jeans spent a total of $92 befo

re tax. A. Define a variable and write an equation to represent the situation. B. What was the price of each pair of jeans?
Mathematics
1 answer:
Artist 52 [7]3 years ago
8 0

each pair of jeans was 20.25 dollars sorry if i'm wrong  

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Describe the graph that would be used to solve the equation-x^2 + 4 = x+2
Rzqust [24]

Answer:

The values of x are x = -2 and x= 1.

Step-by-step explanation:

The given equation -x²+4 = x+2 can be written in the form of two functions as

y = -x²+4 which is a function representing parabola and

y = x+2 which is a straight line.

Now we will solve the given equation to find their points of intersection on graph. Their points of intersections will be the answer.

-x²+4 = x+2

-x²+4-x = x+2-x

-x²-x+4 = 2

-x²-x+4-2 = 2-2

-x²-x+2 = 0

Or x²+x-2=0

Now we will factorize the equation.

x²+2x-x-2=0

x(x+2)-1(x+2) = 0

(x+2)(x-1) = 0

x+2 = 0 ⇒x = -2

x-1 = 0 ⇒x = 1

For x = 1, y will be 3

and for x = -2, y will be 0

Now we can see the graph for the given coordinates (-2,0) and (1,3).



5 0
3 years ago
Which of these lengths could be the sides of a triangle?
kompoz [17]
What are the lengths
8 0
3 years ago
Mia is 6.93936 × 106 minutes old. Convert her age to more appropriate units using years, months, and days. Assume a year has 365
ASHA 777 [7]
Ella is 13 years, four months, and 19 days old. 
6 0
3 years ago
Read 2 more answers
Find the total surface area of this triangular prism.<br> 17 cm<br> 8 cm<br> 2 cm<br> 15 cm
kumpel [21]

Answer:

<em> 200cm²</em>

Step-by-step explanation:

Total surface area of the prism = bh + L(s1+s2+s3)

b is the base of the triangle = 15cm

h is the height of the triangle = 8cm

Perimeter of the triangular base = s1 + s2 + s3 = 8+17+15

Perimeter of the triangular base = 40cm

L is the lateral height = 2cm

Substitute the given values into the formula;

Total surface area of the prism = 15(8) + 2(40)

Total surface area of the prism = 120+80

Total surface area of the prism  = 200cm²

<em>Hence the total surface area of the prism is 200cm²</em>

8 0
2 years ago
Find The Area of triangle ABC
Sergeeva-Olga [200]

Answer:

b.  area = 18 square units

Step-by-step explanation:

area of a triangle = 1/2 * base * height

area = 1/2 (6+3) + (6-2)

area = 1/2 * 9 * 4

area = 18 square units

therefore the answer is b.

3 0
3 years ago
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