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3 years ago

5

A chemist wants to mix a 10% acid solution with a 26% acid solution to obtain 16 liters of a 14% acid solution. How much of the

26% solution should she use?

1 answer:

oee [108]3 years ago

3 0

You should put a lot of the 26% as it is necessary

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Solve: 3/(m-4)+1/(3(m-4))=6/m <br><br> help please thank you and show work

Veseljchak [2.6K]

$\frac{3}{m-4} + \frac{1}{3(m-4)} = \frac{6}{m}$
$3m+ \frac{1m}{3}=6(m-4)$
$\frac{10}{3} m=6m-24$
$\frac{-8}{3} m = -24$
$m=9$

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4 years ago

Solve 42x = 7{x-1)<br> How do I solve this problem

Nimfa-mama [501]

Answer:

-1/5

Step-by-step explanation:

42x=7[x-1]

42x=7x-7

42x-7x=-7

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3 years ago

Using just yes or no, can you make more than one triangle when you are given 3 different line segments?

iogann1982 [59]

Answer:

No

Step-by-step explanation:

A triangle is made up of three line segments therefore, it would be impossible to make multiple triangles with only 3 line segments. You could stretch the line segments but they would never make other triangles since each attempt would be missing one line segment. What can be done with these 3 line segments is making more than one type of triangle. For example, we can make acute triangles, an obtuse triangle, right triangles, etc.

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3 years ago

Circle L is shown. Line segments K L and M L are radii. The length of K L is 12. Angle M L K is 60 degrees. Sector M L K with a

sergejj [24]

Answer:

$120\pi$ square units

Step-by-step explanation:

We are given that

Radius of circle=12 units

Angle MLK=60 degree

We have to find the area of sector that is not shaded.

Area of shaded sector MLK= $\frac{\theta}{360}\times \pi r^2$

Area of shaded sector MLK= $\frac{60}{360}\times \pi(12)^2=$ 24 square units

Area of whole circle= $\pi r^2=\pi (12)^2=144\pi$ square units

Area of sector that is not shaded =Area of whole circle-Area of shaded sector MLK= $144\pi-24\pi$

Area of sector that is not shaded= $120\pi$ square units

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3 years ago

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Likurg_2 [28]

Answer:

C

Step-by-step explanation:

Domain is X (-2 to 3)

Range is Y (-1 to 4)

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3 years ago