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QveST [7]
3 years ago
8

The US spends on average 10,200 dollars on each student per year. There are about 77,000,000 students in the United States. How

much money is spent on students each year? Write your answer in scientific notation first.
Mathematics
1 answer:
jonny [76]3 years ago
3 0

Answer:

10700 to the 7 power ould be your answer

Step-by-step explanation:

10700

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Which is the simplified form of the expression 3(7/6x + 4) - 2(3/2-5/4x)<br><br><br>​
mars1129 [50]

Answer:

b

Step-by-step explanation:

8 0
2 years ago
If (3a + 3b + 1) (3a + 3b - 1) = 80, then a + b =
seropon [69]

Answer:

a+b = 4\sqrt{3}

Step-by-step explanation:

3(a + b)^2 = 81

(a + b)^2 = 27

a + b = sq rt 27

a + b = \sqrt{9}· \sqrt{3}

a + b = 3\sqrt{3}

8 0
3 years ago
Solve for x and y<br> y+2x=2<br> y=-4x+10
Katena32 [7]

Answer:

x=4 and y=(-6)

Step-by-step explanation:

Solve for the first variable in one of the equations, then substitute the result into the other equation.

7 0
2 years ago
What is the probability that the web site has between 3 million and 4 million visitors in a single day? If needed, round your an
faust18 [17]

Answer:

0.2196

Step-by-step explanation:

Given that

Mean = 4.56 million visitors per day

Standard deviation = 820,000 visitors per day

According to the given situation the calculation of probability is shown below:-

Here we will find the value of P (3 ≤ X ≤ 4)  

P 93\leq X\leq 4)=P(X\leq 4) - P(X\leq 3)

\\=P(\frac{X-\mu}{\sigma}\leq  \frac{4-4.56}{0.82})-P(\frac{X-\mu}{\sigma}\leq  \frac{3-4.56}{0.82})

\\=P(Z\leq -0.683)-P(Z\leq -1.9024

= 0.2483 - 0.0287

= 0.2196

Therefore the probability that the web site has between 3 million and 4 million visitors in a single day is 0.2196

4 0
3 years ago
Help me please! I need to find the answer for the angle indicated in bold!
bagirrra123 [75]

(x+ 63) + (x + 133) = 180 \\ 2x + 196 = 180 \\ 2x =  - 16 \\ x =  - 8 \\ so... \\ x + 133 = ( - 8 ) + 133  \\  = 125
8 0
2 years ago
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