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slamgirl [31]
3 years ago
13

How many solutions does this linear system have? y =2/3 x+ 2 6x – 4y = –10

Mathematics
1 answer:
ZanzabumX [31]3 years ago
8 0
2.  They are both straight lines.  The solution of a linear system is where the two lines intersect, and if they're both straight lines, then they can only cross once.  

See the picture attached.

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1)-5.5 - 11.2 =<br> on<br> a.) 5.7<br> b.)-5.7<br> c.) 16.7<br> d.) -16.7
Bingel [31]

Answer:

C

Step-by-step explanation:

-5.5-11.2

change the subtraction to addition

5.5+11.2= 16.7

6 0
3 years ago
Read 2 more answers
Two boys decided to buy a computer. The second boy had 5 6 of the money the first had. The first boy had 7 8 of the price of the
sdas [7]

Answer: The price for the computer = $1152

Step-by-step explanation:

Let the first boy = F

Let the second boy = S

Let the price of computer = C

The second boy had 5/ 6 of the money the first had. I.e

S = 5/6 F

Then F = 6/5S ......(1)

The first boy had 7 /8 of the price of the computer. That is

F = 7/8C ....... (2)

Substitute F in (1) into (2)

6/5S = 7/8C

S = 5/6 × 7/8C

S = 35/48C ......(3)

Together they had $696.00 more than they need to pay. That is

F + S = C + 696 ........ (4)

Substitute equation 2 and 3 into 4

7/8C + 35/48C = C + 696

0.875C + 0.729C = C + 696

0.604C = 696

C = 696/0.604

C = 1152 dollars

Therefore, the price for the computer = $1152

7 0
3 years ago
Read 2 more answers
Cora has a pink ribbon and a teal ribbon. The pink ribbon is 4 1/12 inches long. The teal ribbon is 8 5/12 inches longer than th
alexgriva [62]

Answer:

12 1/2

Step-by-step explanation:

3 0
3 years ago
Each day that a library book is kept past its due date, a $0.30 fee is charged at midnight. Which ordered pair is
mihalych1998 [28]
Let's say the number of days library book is late is X, and the total fee is Y.

Liability charges $0.30 dollars as a fee for being 1 day late,

For being 1 day late, fee charge is: 1* $0.30
So, for X days the charge would be: X*$0.30.

Total charge for being X days late is Y, Which means: Y= 0.30 * X.

Now We would have to check all the viable solutions in the answer to see if they satisfy the equation Y= 0.30 * X

Option one(-3, -0.9) and two (-2.5, -0.75) Would not be a viable solution because the value of number of days can not be negative and in option one and two, value of days -3 and -2.5 is negative.

Option three(4.5, 1.35) can not be correct because library charges fee for a full day so the number for days would be a whole number. Library would not charge for 4.5 days, they would either charge of 4 days or 5 days because 4.5 is not an whole number.


Option four(8, 2.40) is the correct answer because it satisfies our equation;

Y= 0.30 * X

2.40= 0.30 * 8

2.40 = 2.40.


Fourth option (8, 2.40) is the only viable solution to this question.
6 0
2 years ago
The area of a square garden is 98m squared. How long is the diagonal?
aleksley [76]

Answer:

diagonal is 14 m

Step-by-step explanation:

We are given;

  • The area of a square garden as 98 m²

We are required to determine the diagonal of the square.

We know that;

Area of a square = s²  , where s is the side of the square

Therefore;

s² = 98

Thus;

s = √98

To get the diagonal

s² + s² = diagonal squared

Hence;

Diagonal squared = (√98)² + (√98)²

                              = 98 + 98

                              = 196

Thus;

Diagonal = √196

               = 14 m

Thus, the diagonal is 14 m

8 0
3 years ago
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