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juin [17]
2 years ago
12

Is (1, 13) a solution to this system of equations? y = 8x + 5 y = 13 Yes or No

Mathematics
2 answers:
yawa3891 [41]2 years ago
8 0
Yes, that is a solution to the system.
Rufina [12.5K]2 years ago
6 0

Answer:

<em>yes</em>

Step-by-step explanation:

i hope this will help

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What is the midpoint of -5.8 and -3.5 on a number line??!
lana66690 [7]

Answer:

-4.65

Step-by-step explanation:

5.8-3.5=2.3

2.3 divided by 2=1.15

3.5+1.15=4.65

Answer: -4.65

7 0
3 years ago
Andrew is creating a rectangular dog run in his back yard. The length of the dog run is 18 feet. The perimeter of the dog run mu
ale4655 [162]

Answer: 3\leq x \leq 18

Step-by-step explanation:

Given, the length of the rectangular dog run is 18 feet.

Formula: Perimeter = 2 ( length + width)

Let width be x.

Then, Perimeter = 2 (18 + x ) feet

The perimeter of the dog run must be at least 42 feet and no more than 72 feet.

That is  

42\leq 2 (x+18)\leq 72

Divide inequality by 2, we get

21\leq 18+x\leq 36

Subtract 18 from each side, we get

3\leq x \leq 18

Required inequality : 3\leq x \leq 18

6 0
3 years ago
What is the surface area of sphere with radius 13 ft?
9966 [12]
SA=4pir^2
SA=4pi13^2
SA=4pi169
SA=676pi ft^2
6 0
3 years ago
Read 2 more answers
Find the value of x.
professor190 [17]

Answer:

x=3 the answer is 3

Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
What is the equation of a line that passes through the point?
Artist 52 [7]
<h3>Answer: 3x-2y = 5 (choice A)</h3>

=====================================================

Explanation:

The given graph passes through (0,2) and (2,5)

The slope of this line is

m = (y2 - y1)/(x2 - x1)

m = (5-2)/(2-0)

m = 3/2

Since the y intercept is b = 2, we go from y = mx+b to y = (3/2)x+2, which is the equation of the graphed line shown.

Any parallel line will have the same slope, but a different y intercept.

-------------------

The parallel line must pass through (x,y) = (3,2). We'll use these coordinates along with m = 3/2 to find the y intercept b

y = mx+b

2 = (3/2)(3)+b

2 = 9/2+b

2-9/2 = b

4/2 - 9/2 = b

-5/2 = b

b = -5/2 ... is the new y intercept

The equation of the parallel line is y = (3/2)x-5/2, which is in slope intercept form

-------------------

Let's convert to standard form

y = (3/2)x-5/2

2y = 3x-5 .... multiply everything by the LCD 2 to clear out fractions

2y+5 = 3x

3x = 2y+5

3x-2y = 5 ... is the equation in standard form of the parallel line

-------------------

As a check, we can plug (x,y) = (3,2) into that last equation above to get

3x-2y = 5

3*3-2*2 = 5 ... replace x with 3, replace y with 2

9-4 = 5

5 = 5

Confirming that (x,y) = (3,2) is on the line.

3 0
3 years ago
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