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3 years ago

If there is 300 students and 18% students have chips how many students had chips

2 answers:

6 0

Okay. To solve this kind of problem, all you have to do is multiply by 18% (0.18). 300 * 0.18 is 54. There. 54 students have chips.

nevsk [136]3 years ago

5 0

The answer would be that 54 students had chips

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Which equation represents a line that passes through (4,1/3) and has a slope of 3/4?

velikii [3]

We can use the point-slope equation:
$y = mx + b$
m, the slope, is 3/4:
$y = \frac{3}{4} x + b$
To find b, we plug in the point (4,1/3):
$( \frac{1}{3} ) = \frac{3}{4} (4) + b \\ \frac{1}{3} = 3 + b \\ \frac{1}{3} = \frac{9}{3} + b$
$- \frac{8}{3} = b$

Therefore, the point-slope equation is
$y = \frac{3}{4} x - \frac{8}{3}$

Now we have to see which answer matches.

$y - \frac{3}{4} = \frac{1}{3} (x - 4) \\ y - \frac{3}{4} = \frac{1}{3} x - \frac{4}{3} \\ y - \frac{9}{12} = \frac{1}{3} x - \frac{16}{12}$
$y = \frac{1}{3} x - \frac{7}{12}$
Since this is not the same, we try the next one.

$y - \frac{1}{3} = \frac{3}{4} (x - 4) \\ y - \frac{1}{3} = \frac{3}{4} x - 3 \\ y - \frac{1}{3} = \frac{3}{4} x - \frac{9}{3}$
$y = \frac{3}{4} x - \frac{8}{3}$

This is the same, so this is the answer. We should still double-check the other answers.

$y - \frac{1}{3} = 4(x - \frac{3}{4} ) \\ y - \frac{1}{3} = 4x - 3 \\ y - \frac{1}{3} = 4x - \frac{9}{3}$
$y = 4x - \frac{8}{3}$
This one is not equivalent.

$y - 4 = \frac{3}{4} (x - \frac{1}{3} ) \\ y - 4 = \frac{3}{4} x - \frac{1}{4} \\ y - \frac{16}{4} = \frac{3}{4} x - \frac{1}{4}$
$y = \frac{3}{4} x + \frac{15}{4}$
This one also does not work.

The answer is the second one:
$y - \frac{1}{3} = \frac{3}{4} (x - 4)$

3 0

3 years ago

Read 2 more answers

A metal bar weighs 8.15 ounces.93%of the bar is silver.how many ounces of silver are in the bar?

Ivanshal [37]

If 93% of the bar is silver, then the bar is 0.93*8.15 ounces of silver. Solving that makes there 7.58ish ounces of silver in the bar

7 0

3 years ago

Read 2 more answers

If G is the circumcenter of triangle ABC, find CG and FB. Round to the nearest tenth if necessary.

Stolb23 [73]

9514 1404 393

Answer:

CG = 19

FB = 14.7

Step-by-step explanation:

The circumcenter is equidistant from the triangle vertices, so GA = GB = GC.

The length of GA is given, so we have ...

GA = 19 = CG

Then the Pythagorean theorem can be used to find FB.

FB² +FG² = GB²

FB² = GB² -FG² = 19² -12² = 217

FB = √217 ≈ 14.7

3 0

3 years ago

What is the y-value in the solution to this system of linear equations?

Leona [35]

It would be -4

4(2) + 5(-4) = -12

-2(2) + 3(-4) = -16

4 0

3 years ago

PLS ANSWER TODAY TYSM :p<br><br> -5y+1-3y+2=-9

OLga [1]

We just combine the terms, like this:

-8y = -12

The answer is: y = 1.5 or 3/2.

Hope this helped! c:

7 0

4 years ago