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Evgen [1.6K]
3 years ago
15

Help me please! And quick! It's 7th grade level math...

Mathematics
2 answers:
LekaFEV [45]3 years ago
5 0

I don't know SORry LOL_

Mademuasel [1]3 years ago
4 0

Answer:

Number 5 is 10 pencils left in total(5 red, 5 blue) with 50 percent probability of getting red or blue. Number 6 is 9 left total (4 red, 5 blue) with a 44 percent probability of choosing a red one, 56 percent probability of choosing a blue one

Step-by-step explanation:

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Can anyone please work out question 10 in the picture and clearly explain it? Would appreciate it
kotykmax [81]
9945/ 39= 255
If you were to try to divide 99 by thirty five it would not be a whole. You would be able to multiply 39 by 2 to get 78. 99 subtracted by 78 = 21 you would then carry down the 4. to equal 214 you would then figure out 39 multiplied by 5 is the highest number to figure a 195 you would have 19 left over. Carry down your 5 and would have 195. You would have 195 again and then multiply 39 by 5 and it would equal out to 195. Your answer would then be 255.
6 0
3 years ago
The graphs below have the same shape. What is the equation of the blue graph? 
vodka [1.7K]

Answer:

c

Step-by-step explanation:

8 0
3 years ago
Given the following functions f(x) and g(x), solve (f ⋅ g)(3) and select the correct answer below:
amm1812
(f * g)
(4x^2 + 12)(x - 1) = x(4x^2 + 12) - 1(4x^2 + 12) = 4x^3 + 12x - 4x^2 - 12 =
4x^3 - 4x^2 + 12x - 12

(f*g)(3) = 4(3^3) - 4(3^2) + 12(3) - 12 = 4(27) -4(9) + 36 - 12 =
108 - 36 + 36 - 12 =
96 <===

7 0
3 years ago
How do you solve B(x) = 18-0.5x with x being -2, 0, 5
Darina [25.2K]
B(x)=18-0.5x\\\\x=-2\to B(-2)=18-0.5\times(-2)=18+1=19\\\\x=0\to B(0)=18-0.5\times0=18\\\\x=5\to B(5)=18-0.5\times5=18-2.5=15.5
5 0
3 years ago
If you invest $823 at an interest rate of 3% every 6 months, how much money will you have after 9 years
zubka84 [21]

Answer:

Step-by-step explanation:

The compounding formula for this is

A(t)=P(1+\frac{r}{n})^{nt} where A(t) is the amount after all the compounding is done, P is the initial investment, r is the interest rate as a decimal, n is the number of times the interest compounds per year, and t is the time in years.  For us, our n is 2, since the money compounds every 6 months, and 6 months goes into 1 year 2 times.  Our formula then is:

A(t)=823(1+\frac{.03}{2})^{(2)(9)} which simplifies a bit to

A(t)=823(1+.06)^{18} which simplifies a bit more to

A(t)=823(1.06)^{18}

Raise 1.06 to the power of 18 and then multiply the 2 numbers together:

A(t) = 823(2.854339153) so

A(t) = 2349.12

7 0
3 years ago
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