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stellarik [79]
4 years ago
7

Is the equation true, false, or open?

Mathematics
1 answer:
Inessa [10]4 years ago
7 0
9p+8=10p+7 solve for p
p = 1

So answer is true

B. True; the expressions are the same for all values of the variables
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Hugo and Viviana work in an office with ten other coworkers. Out of these 12 workers, their boss needs to choose a group of five
7nadin3 [17]

Answer: 792

Step-by-step explanation:

Given : Hugo and Viviana work in an office with ten other coworkers.

Out of these 12 workers, their boss needs to choose a group of five to work together on a project.

The combination of n thing taking m at a time is given by :-

C(n;m)=\dfrac{n!}{m!(n-m)!}

Then, the number of different working groups of five the boss can choose :-

C(12;5)=\dfrac{12!}{5!(12-5)!}\\\\=792

Hence, the number of different working groups of five the boss can choose = 792.

3 0
3 years ago
An airplane is flying at an altitude of 33,000 feet. It needs to reduce its altitude by 6% to avoid some turbulence. After it pa
Tema [17]

Step-by-step explanation:

100% = 33,000 ft

1% = 100%/100 = 33000/100 = 330 ft

6% = 1% × 6 = 330 × 6 = 1980 ft

that means the plane has to go down 1980 ft to

33,000 - 1980 = 31,020 ft

and then it goes up by 5000 ft :

31,020 + 5000 = 36,020 ft

that is the final altitude.

5 0
2 years ago
Read 2 more answers
What is the square root of 29,
sweet [91]
Nothing times itself will equal 29, but in decimal form only is 5.38
8 0
3 years ago
Writing numbers in Expanded Form
Savatey [412]


Break the number apart into hundreds, tens, ones, etc. and add the quantities together. Here is an example:

<em>To write 256 in expanded form, break it apart. There is 200, 50, and 6 in 250. Now, add them together. 200 + 50 + 6 = 256</em>

6 0
4 years ago
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What is .00000023 in scientific notation
Lisa [10]

Answer:

2.3 × 10^-7

Step-by-step explanation:

First, create an equation with the initial decimal being the coefficient multiplied by 10 to the power of 0.

(For example, let’s create the starting scientific notation equation for the decimal 475,000).

475,000 = 475,000 × 10^0

-------------------------------------------------------------------------------------------------------------

Now that we have an equation, the second step is to move the decimal point in the coefficient until there is 1 significant digit to the left of the decimal point. For each space the decimal point is moved to the left, increase the exponent by 1.

(Continuing the example above, move the decimal point to the left and increment the exponent.).

475,000 = 475,000.0 × 10^0

475,000 = 47,500.0 × 10^1

475,000 = 4,750.0 × 10^2

475,000 = 475.0 × 10^3

475,000 = 47.5 × 10^4

475,000 = 4.75 × 10^5

8 0
4 years ago
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