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AnnZ [28]
3 years ago
15

Which equation has only one solution? A lx-5l=1 B l-6-2xl=8 C l5x+10l=10 D l-6x+3l=0​

Mathematics
1 answer:
dem82 [27]3 years ago
5 0

Answer:

D:  x = 1/2

Step-by-step explanation:

D is correct.  The solution here is the solution of -6x + 3 = 0, which is x = 1/2.

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What is the equation of a line with a slope of -1/2 and passes through the point (6,-6)
Vlad [161]
Well I am going to assume you need slope-intercept form. So the equation is y=mx+b. m is slope, b is y intercept. So you just plug it in -6= -1/2(6)+b. -6=-3+b. Now you figure out for b so what does b have to be to make the equation equal. Well -3 so -6=-3+-3, or -6=-6. 

y=-1/2x-3
 
Hope that helped
3 0
3 years ago
One large bubble separates into four small bubbles so that the total area of the small bubbles is equal to the area of the large
anzhelika [568]

Answer:

10 cm.

Step-by-step explanation:

We'll begin by calculating the area of the small bubble. This can be obtained as follow:

Radius (r) = 5 cm

Area (A) =?

Since the bubble is circular in nature, we shall use the formula for area of circle to determine the area of the bubble. This is illustrated below:

A = πr²

A = π × 5²

A = 25π cm²

Next, we shall determine the total area of the small bubbles. This can be obtained as follow:

Area of 1 bubble = 25π cm²

Therefore,

Area of 4 bubbles = 4 × 25π cm²

Area of 4 bubbles = 100π cm²

Finally, we shall determine the radius of the large bubble. This can be obtained as follow:

Area of large bubble = total area of small bubbles = 100π cm²

Radius (r) =?

A = πr²

100π = πr²

100 = r²

Take the square root of both side

r = √100

r = 10 cm

Thus, the radius of the large bubble is 10 cm

5 0
2 years ago
If Elizabeth gets $5 per hour to babysit plus $4 extra for putting the children to bed, write a flrmula that could be used to fi
Rzqust [24]
I hope this helps

Answer is 5H+4=A
7 0
3 years ago
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yanalaym [24]

Answer: 0

Step-by-step explanation: 8-8 equals... ZERO GOOD JOB GUYS!

7 0
3 years ago
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A microgram is equal to 2.3 x 10 grams. How many times greater than a microgram is
vovikov84 [41]

Answer:

yes the aswure is no

Step-by-step explanation:

8 0
3 years ago
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