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3 years ago

A bag contains 2 red, 5 blue, and 7 yellow marbles. Find the probability of drawing a yellow or a red.

Mathematics

1 answer:

Ann [662]3 years ago

3 0

Answer:

drawing a red marble would be 2 in a 14 or 1/7 chance n drawing a yellow would be 1/2.

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Where is (0,19) located? Quadrant I Quadrant II Quadrant III Quadrant IV X-axis Y-axis

12345 [234]

Let P(a, b) be a point on the coordinate plane. Then the following hold:

i) If a>0, b>0 then P is in the I.Quadrant.

ii) If a<0, b>0 then P is in the II.Quadrant.

iii) If a<0, b<0 then P is in the III.Quadrant.

iv) If a>0, b<0 then P is in the IV.Quadrant.

v) If a=0 and b is positive or negative, then P is on the y-axis.

vi) If b=0 and a is positive or negative, then P is on the x-axis.

Since we have: a=0, and 19 positive, then this point is on the y-axis.

Answer: y-axis

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3 years ago

Simplify using the laws of exponents (4^3)^-2 × (2^3)^4 ×(8/15)^-2

katrin2010 [14]

Answer:

$\dfrac{225}{64}$

Step-by-step explanation:

$(4^3)^{-2} \times (2^3)^4 \times (\dfrac{8}{15})^{-2} =$

$= (2^2)^{-6} \times 2^{12} \times (\dfrac{15}{8})^{2}$

$= 2^{-12} \times 2^{12} \times \dfrac{225}{64}$

$= \dfrac{225}{64}$

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3 years ago

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3 years ago

A paint can has a radius of 4 inches and a height of 15 inches. What is the volume of the paint can? Round to the nearest tenth.

konstantin123 [22]

$\huge\boxed{753.6\ \text{cubic inches}}$

The volume of a cylinder can be represented by $\pi r^2h$ , where $r$ is the radius and $h$ is the height.

In this case, we are told that $\pi=3.14$ , $r=4$ , and $h=15$ .

Plug in the known values.

$3.14*4^2*15$

Find the power.

$3.14*16*15$

Multiply from left to right.

$50.24*15$

$\large\boxed{753.6}$

6 0

3 years ago

Read 2 more answers

PLz help with these questions. For questions 1 and 2 , write each expression using a single exponent. 1) x^9/x^2 2) h^14/h^5 F

Zepler [3.9K]

For questions 1 and 2 , write each expression using a single exponent.

$1) \ x^9:x^2=x^7\\
\\
2) \ h^{14}:h^{5}=h^9$

<span>For questions 3 and 4, simplify each expression.
</span>
$3) \ 4^4:4^6=4^{-2}=\frac{1}{4^2}=\frac{1}{16}\\
\\
4) \ 5^0=1$

<span>For questions 6-8, multiply the following polynomial.
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$6) \ -2r(8r+5)=-16r^2-10r\\
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7) \ 4a(a^2+7a+4)=4a^3+28a^2+16a\\
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3 years ago