2 years ago

Pls help i need it.

Mathematics

1 answer:

stepan [7]2 years ago

5 0

Answer:

$\huge\colorbox{blue}{A}\huge\colorbox{orange}{N}\huge\colorbox{gray}{S}\huge\colorbox{red}{W}\huge\colorbox{yellow}{E}\huge\colorbox{purple}{R}$

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4. A bag contains five red marbles, two orange marbles, one yellow marble, and two green marbles. Two marbles are drawn from the

Vitek1552 [10]

Answer:

C. 0.08889

Step-by-step explanation:

Total number of marbles:

5 + 2 + 1 + 2 = 10

There are two possibilities

Orange then green or green the orange

The probabilities are:

P(o&g) = 2/10*2/9 = 2/45
P(g&o) =2/10*2/9 = 2/45

Required probability is:

P = 2/45*2 = 4/45 = 0.08889

Correct choice is C

4 0

2 years ago

in a certain chemical, the ratio if zinc to copper is 3 to 16. a jar of the chemical contains 320 grams of copper. how many gram

Dennis_Churaev [7]

Answer:

60 grams

Step-by-step explanation:

For these type of questions, we can equate the ratio with the actual amounts. We will let the quantity to find be an unknown variable, such as x. Then we equate the ratios, cross multiply, and use algebra to solve.

Let grams of zinc be "x", so we can write the ratios and actual amounts as:

$\frac{3}{16}=\frac{x}{320}$

Then we cross multiply and solve for x, what we want to find out. Shown below:

$\frac{3}{16}=\frac{x}{320}\\16x =3 * 320\\16x = 960\\x = \frac{960}{16}\\x=60$

There are 60 grams of zinc.

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3 years ago

Are the expressions 5 to the second power and 2 to the fifth power equivalent explain how u know

Anna71 [15]

five to the second power is 5x5 which is 25.

two to the fifth power is 2x2x2x2x2 which is 32.

8 0

3 years ago

Read 2 more answers

How to find the height of a trapezoid if the area is 60 square meters and bases of 8 and 12 meters. Please show your work!

love history [14]

A=h(b+b) divided by 2-how to
A=60(8+12) divided by 2- with numbers
A=600 meters squared-answer

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3 years ago

Oakland has an elevation of 1,639 feet above sea level. Lake enriquillo’s elevation is 149 feet below sea level. What is the dif

egoroff_w [7]

It would be: 1639-(-149)= 1788.

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3 years ago