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kolbaska11 [484]
3 years ago
11

Create a circle with a centre of (0,0) and a radius of 13

Mathematics
1 answer:
Mumz [18]3 years ago
3 0

Answer:

The equation would be:

x^2+y^2=169

In the attachment!!!

<em>Hope this helps!!!</em>

<em>Sofia</em>

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15 decreased by the product of a number x and 4 is 8
Alisiya [41]

Answer:

Step-by-step explanation:

product= multiply

x*4=8 aka 8/4=2

so x=2

15-8=7

7 0
2 years ago
The system of equations y=2x-1 and y=-1/4x+3 is shown on the graph below. What is a reasonable estimate for the solution?
statuscvo [17]

Answer:

Something close to (1.8,2.6)

Step-by-step explanation:

y=2x-1

y=-1/4 x+3

Since y=2x-1 and y=-1/4 x +3 then 2x-1=-1/4 x +3.

I'm going to multiply both sides by 4 to get rid of the fraction:

8x-4=-x+12

Add x on both sides:

9x-4=12

Add 4 on both sides:

9x=16

Divide both sides by 9:

x=16/9 is approximately 1.8 when put into calculator.

Now if x=16/9 and y=2x-1, then y=2(16/9)-1=32/9-1=32/9-9/9=(32-9)/9=23/9.

y=23/9 is approximately 2.6 when put into calculator.

So we are looking for an ordered pair pretty close to (1.8,2.6).

The graph is shown to you so I will put one here as well:

4 0
3 years ago
What is the Y-Intercept of the line:<br> Y - 5 = x + 5
frez [133]

Answer:

10

Step-by-step explanation:

isolate y by adding 5 to each side. Now you have y=x+10. 10 is the c value, which is the y-intercept

5 0
3 years ago
12 – 7x ≤-2 <br> solve and show work
vova2212 [387]

Answer:

x≥2

Step-by-step explanation:

Let's solve your inequality step-by-step.

12−7x≤−2

Step 1: Simplify both sides of the inequality.

−7x+12≤−2

Step 2: Subtract 12 from both sides.

−7x+12−12≤−2−12

−7x≤−14

Step 3: Divide both sides by -7.

−7x/−7 ≤ −14/−7

x≥2

8 0
2 years ago
Solve the simultaneous equations:<br><br> 3a-2b=14 <br> 12a+9b=39
kirill [66]
Use elimination
Multiply first equation by 4
12a - 8b = 56
12a + 9b = 39
Subtract both
-17b = 17
b = -1
Plug in -1 for b
3a - 2(-1) = 14
3a = 12, a = 4
Final answer: a = 4, b = -1
5 0
3 years ago
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