3 years ago

6(2x-4)=12x+k what is the value of k will create an equation with infinitely many solutions

Mathematics

1 answer:

timurjin [86]3 years ago

6 0

Answer:

K = -24

Step-by-step explanation:

I didn’t get the second question

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Mark drew two triangles and 8 arrows as part of a set of 13 shapes. The only other type of shape in the set is a circle. What fr

luda_lava [24]

Answer:

3/13

Step-by-step explanation:

First...

What we know

1. There is a set of 13 shapes.

2. With 2 triangles, 8 arrows, and circles.

Next...

Take the number of triangles and arrows and add them up.

2 + 8 = 10

Finally...

Convert it into the fraction 10/13 and subtract it by the total 13/13.

This results 3/13.

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2 years ago

Carla is riding a motorcycle across the country. After 4 hours, she is 600 miles from Denver. After 8 hours, she is 320 miles fr

KengaRu [80]

I wanna say 920 but may be wrong

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2 years ago

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Find the area of the circle if the square has an area of 900 in2. Give your answer in terms of pi

shusha [124]

There is no attached picture, but I guess it is like the one I attached.
If so, the first thing is finding the side measure:
$A_{square}=l^2 \\ l= \sqrt{A} = \sqrt{900} \;\;\Rightarrow l=30\;in$
Now, radius is half this measure: 15 in.
And circle area is:
$A_{circle}=\pi r^2=\pi\cdot(15)^2\:\;\Rightarrow A_{circle}=225\pi\;in^2$

8 0

2 years ago

Solve 1+−=0 2 − 2 = 4

tekilochka [14]

Answer:

Both questions are inaccurate.

Step-by-step explanation:

You cannot have a +- next to each other without a number on the right of it.

Also 2-2=0 not 4.

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2 years ago

The ratio of boys to girls in a class 4 : 5 A) What fraction of the class are boys

Travka [436]

Answer:

4/9

Step-by-step explanation:

Ratio of boys = 4

Ratio of girls = 5

1. When illustrating ratios in fraction, you add the ratios

4 + 5 = 9

2. Next you put the boys ratio over the total ratio

4/9

3. Sometimes it can be reduced to a lower form eg. 5/10 can be reduced to

1/2.

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3 years ago