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Roman55 [17]
3 years ago
9

Write and solve a proportion to answer the question. 36 is 0.9% of what number w?

Mathematics
1 answer:
USPshnik [31]3 years ago
7 0
The question can be written out like this:
36 = 0.009x

Multiply both sides by 1,000:
9x = 36,000

Divide both sides by 9:
x = 4,000
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a jar contains 6 red jelly beans, 6 green beans, and 6 blue jelly beans if we choose a jelly bean, then another jelly bean witho
seropon [69]
<h3>Answer: 5/51</h3>

======================================================

Explanation:

We have 6 green out of 6+6+6 = 18 total

The probability of getting green is 6/18 = 1/3.

After selecting that green jelly bean and not putting it back, we have 6-1 = 5 green out of 18-1 = 17 total.

The probability of selecting another green is 5/17.

Multiply the two fractions 1/3 and 5/17

(1/3)*(5/17) = (1*5)/(3*17) = 5/51

The probability of selecting two greens in a row is 5/51 where we do not put the first selection back. We also do not replace the green jelly bean with some other identical copy.

Note: 5/51 = 0.098039 approximately

8 0
3 years ago
Find the slope of the line for the points (-3, 6) and (1,-3)
Fudgin [204]
U do the formula
slope = -9/4
4 0
2 years ago
Read 2 more answers
(7,5), (r,9) m=6<br><br> What is r?
Igoryamba

Answer:

The answer is that r = 7/6

Step-by-step explanation:

Given point: (7, 5)

Given slope: m = 6

Use the point slope form of the equation:

y - y1 = m(x - x1)

y - 5 = 6(x - 7)

y - 5 = 6x - 7

y = 6x + 2

Now, find r for the point (r, 9) by substitution:

9 = 6x + 2

6x + 2 = 9

6x = 7

x = 7/6

Proof:

y = 6x + 2

f(x) = 6x + 2

f(7/6) = 6(7/6) + 2

= 42/6 + 2

= 7 + 2 = 9, giving (7/6, 9). r = 7/6

Hope this helps! Have a great day!

4 0
3 years ago
The following table lists the masses, in grams, of the nine planets (including dwarf planet Pluto). Use the data to choose the c
Marrrta [24]

The ratio between the masses of Jupiter and Venus is

\dfrac{1.989\cdot 10^{30}}{4.869\cdot 10^{27}}

We can separate the coefficient and the powers of ten:

\dfrac{1.989\cdot 10^{30}}{4.869\cdot 10^{27}}=\dfrac{1.989}{4.869}\cdot \dfrac{10^{30}}{10^{27}}

Use the exponent rule

\dfrac{a^b}{a^c}=a^{b-c}

to simplify the powers of 10:

\dfrac{10^{30}}{10^{27}}=10^3

So, the ratio is

\dfrac{1.989}{4.869}\cdot 10^3\approx 0.4\cdot 10^3=400

So, Jupiter has a mass that is approximately 400 times greater than Venus's.

4 0
3 years ago
Read 2 more answers
Which function increases by 3 every time the x-increases by 1? A) y = 3x B) y = 3x + 1 C) y = 1 3 x D) y = 1 3 x + 1
dexar [7]

Answer:

B

Step-by-step explanation:

as it says 3 everytime the x increase by 1

4 0
2 years ago
Read 2 more answers
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