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Natalka [10]
3 years ago
5

What is the value of x in the equation 4x – 2(x + 3) = 8? Show ALL steps in the space below:

Mathematics
2 answers:
Nutka1998 [239]3 years ago
6 0

Answer:

x = 7

Step-by-step explanation:

4x - 2(x + 3) = 8

4x - 2x - 6 = 8

2x - 6 = 8

2x = 14

x = 7

First step is to distribute -2 to x and 3, which equals -2x and -6

Second step is to subtract 4x - 2x, which equals 2x

Third step is to add -6 to 8, which equals 14

last step is to divide, 2x / 14, which equals 7

I hope this is correct

Rzqust [24]3 years ago
4 0

Answer:x=1

Step-by-step explanation:

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A hockey player takes 150 shots each week. Sixty percent of these shots go in. How many shots do NOT go in?
Viefleur [7K]
60 percent of 150 is 90. So that means 60 shots do not go in.
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3 years ago
The length of side of square is 4 cm <br><br> write the length of its diagonal is irrational number
Marysya12 [62]

Answer:

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3 years ago
Roll a die 10 sided die 3 times. What is the probability that the sequence is strictly increasing or decreasing?
snow_lady [41]

Answer:

The probability of obtaining a sequence which is neither strictly increasing nor decreasing in 0.76.

Step-by-step explanation:

We have 10 possible outcomes on a single throw.

So, outcomes in 3 throws = 10^{3} =1000 outcomes.

Let x be the number of strictly increasing arrangements.

Let y be the number of strictly decreasing arrangements.

Let z be the number of outcomes that are neither strictly decreasing nor strictly increasing

So, we have x+y+z=1000

If we look at a strictly increasing arrangement from the other/opposite side, it will look like a strictly decreasing arrangement.

So, x = y

Hence, we can say the final equation will be :

2x+z=1000

And for strictly increasing arrangements ,all 3 numbers will be different and it can be done in 10C3 ways.

10C3=\frac{10!}{3!7!} = 120 ways

So, 2x=2\times120=240

Thus z=1000-240=760

So, the probability is = \frac{760}{1000} = 0.76

Therefore, the probability of obtaining a sequence which is neither strictly increasing nor decreasing in 0.76.

4 0
3 years ago
Evaluate the geometric series. Round to the nearest hundredth. Please help me!!!
kari74 [83]

Answer:

62.34

Step-by-step explanation:

Substitute n = 0 to n = 5 into the expression and sum the terms, that is

3 [ (\frac{3}{2}) ^{0}  + (\frac{3}{2}) ^{1} + (\frac{3}{2}) ^{2} + (\frac{3}{2}) ^{3} + (\frac{3}{2}) ^{4} + (\frac{3}{2}) ^{5} ]

= 3 [ 1 + \frac{3}{2} + \frac{9}{4} + \frac{27}{8} + \frac{81}{16} + \frac{243}{32} ]

= 3( \frac{665}{32} )

= 3 × 20.781

= 62.34 ( to the nearest hundredth )

5 0
4 years ago
Answer this maths question.
zvonat [6]

Answer:

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Step-by-step explanation:

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8 0
3 years ago
Read 2 more answers
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