3 years ago

The expression 4x/5-2x/3 is equivalent to?

Mathematics

1 answer:

shutvik [7]3 years ago

7 0

Answer: The answer B

Step-by-step explanation: so the answer i got was x 5 so its B

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16th term in the geometric sequence 1024, -512, 256, ....

tresset_1 [31]

Answer:-1/32

Step-by-step explanation:

First term=a=1024

Common ratio=r=-512/1024

r=-1/2

Using them formula

Tn=a x r^(n-1)

T16=1024 x (-1/2)^(16-1)

T16=1024 x (-1/2)^15

T16=1024 x -1/32768

T16=-1024/32768

T16=-1/32

5 0

3 years ago

In a random sample of 16 residents of the state of Washington, the mean waste recycled per person per day was 2.8 pounds with a

kakasveta [241]

Answer: The required confidence interval would be (2.72,2.89)

Step-by-step explanation:

Since we have given that

Mean = 2.8 pounds

Standard deviation = 0.24 pounds

n = sample size = 16

We need to find the 80% confidence interval for the mean waste.

z=1.341

So, the confidence interval will be

$\bar{x}\pm z\dfrac{\sigma}{\sqrt{n}}\\\\=(2.8\pm 1.341\times \dfrac{0.24}{\sqrt{16}})\\\\=(2.8\pm 1.314\times 0.06)\\\\=(2.8-0.07884,2.8+0.07884)\\\\=(2.72116,2.87884)$

Hence, the required confidence interval would be (2.72,2.89)

4 0

3 years ago

Madison has test scores of 93, 82, 86, and 75. What is the mean?<br> answer as fast a possible

rusak2 [61]

Answer:

Mean is 84

Step-by-step explanation:

6 0

3 years ago

Prove that 8^6 + 4^11 is divisible by 17

Nimfa-mama [501]

8^6 + 4^11 = 262144 + 4194304 = 4456448
4456448/17 = 262144 is the answer

8 0

3 years ago

Find the values of x work 10% of my grade

Ostrovityanka [42]

Answer:

x = 35

Step-by-step explanation:

1. Add all angles

$115+(x+36)+24+(2x+10)+2x$

= $5x+185$

2. Match 360 and fix

$5x+185=360$

$5x=360-185$

$5x=175$

$x=175/5$

$x=35$

Hope this helps

6 0

2 years ago

Read 2 more answers