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3 years ago

Please Help Me i'll give you all my points

Mathematics

1 answer:

Crank3 years ago

8 0

Answer:

40% chance or probability

Step-by-step explanation:

30 people total 12 have had a cat, convert into fraction, 6/15, convert into a percent and you get 40%

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What is the value of b? 1/3 (2b +9)= 2/3 [b+9/2]

ziro4ka [17]

$\frac{1}{3}(2b+9)=\frac{2}{3}(b+\frac{9}{2})\ \ \ \ | multiply\ by\ 3\\\\
2b+9=b+\frac{9}{2}\ \ \ | multiply\ by\ 2\\\\
4b+18=2b+9\ \ \ \ | subtract \ 2b\\\\
2b+18=9\ \ \ \ | subtract\ 18\\\\
2b=-9\ \ \ \ | divide\ by\ 2\\\\
b=-4,5$

6 0

4 years ago

The costs of a pack of noodles, a can of soda and a pack of bread buns are 120 Pesos, 45 Pesos, and 50 Pesos respectively. Brayd

bonufazy [111]

120x+45y+50z=C
This equation models this situation where C is the total cost

7 0

3 years ago

If the side opposite a 45 degree angle in a right triangle equals 12.5 meters, how long is the side adjacent the angle?

Ad libitum [116K]

You need to draw out the triangle and then use the rules of a right triangle with tangent because you have the opposite side and you are trying to find the adjacent side.

7 0

3 years ago

What is the distance between points C and D? Round your answer to the nearest hundredth.

Semmy [17]

Lets look at it as the Pythagorean theorem, so A²+B²=C²

First step: find the X (a) and the Y (b)

|6-0| = 6
|-4-2|= 6

Second step: 6²+6²=c²
36+36=C²
72=C²
√72=√C²
8.49=C

your final answer would be 8.49 units

6 0

3 years ago

Please help asap please

VMariaS [17]

Answer:

Step-by-step explanation:

The slope of the line needs to be determined first:

$m=\frac{-9+-5}{-12+-8}=\frac{-14}{-20}=\frac{7}{10}$

Now let's use that and one of the coordinates to write an equation in point-slope form:

$y-5=\frac{7}{10}(x-8)$

and, simplifying,

$y-5=\frac{7}{10}x-\frac{56}{10}$

Now let's multiply everything by 10 to get rid of the fractions:

10y - 50 = 7x - 56

and

-7x + 10 y = -6

Apparently, they do not like to lead with negatives, which is not uncommon:

7x - 10y = 6

So his model is not correct.

4 0

3 years ago