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ruslelena [56]
3 years ago
6

Y= 5x + 3 y=2x+5 a. no solutions b. one solution c. infinitely many solutions

Mathematics
1 answer:
steposvetlana [31]3 years ago
7 0

Answer:

One solution

Step-by-step explanation:

Reason - different slopes.

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At a fabric store, fabrics are sold by the yard. A dressmaker spent $36.35 on 4.25 yards of silk and cotton fabrics for a dress.
vaieri [72.5K]

Given:

The system of equations that represent the constraints for the given situation is

x+y=4.25

16.90x+4y=36.35

To find:

The solution of given system of equations.

Solution:

We have,

x+y=4.25           ...(i)

16.90x+4y=36.35           ...(ii)

Multiply equation (i) by 4.

4x+4y=17           ...(iii)

Subtracting (iii) from (ii), we get

16.90x+4y-(4x+4y)=36.35-17

16.90x+4y-4x-4y=19.35

12.90x=19.35

Divide both sides by 12.90.

x=\dfrac{19.35}{12.90}

x=1.5

Put this value in (i).

1.5+y=4.25

y=4.25-1.5

y=2.75

The solution of system of equations is x=1.5 and y=2.75. It means, the yards of silk are 1.5 and yards of cotton are 2.75.

5 0
3 years ago
hey can someone please help me i don’t understand this? the question says “find the surface area of the rectangular prism.”
ASHA 777 [7]

Answer:

170 in^2

Step-by-step explanation:

you have to find the area of each surface of the square

1) the square on the right side:

5x5=25 in^2

there are 2 of these on opposite sides

2)the of the rectangle facing us;

6x5=30in^2  (5 because 5 is the height)

there are 4 of these

3)add up all the areas

25+25+30+30+30+30=170in^2

6 0
2 years ago
Please answer the question in the picture.
ASHA 777 [7]

Answer:

C.) The relationship is proportional

Step-by-step explanation:

If D is true, then it is not proportional, constants of proportionality must not include multuplting or subtracting from anything.

Also quick way to tell— the line doesn’t start from 0,0

4 0
3 years ago
You owe 12% interest each year on a $500 loan. If you make no payments and take no additional loans, what will the loan balance
Yakvenalex [24]
20000000000099999000
3 0
3 years ago
Josh currently bench presses 150lbs. He increases that amount by 10% for a month for 3 months. About how much can he bench press
dimaraw [331]
He increased 30% so that means he can bench press 180lbs
7 0
3 years ago
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