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photoshop1234 [79]
3 years ago
10

1) y=mx+b (solve for b)2) t=an+b (solve for n)

Mathematics
1 answer:
astra-53 [7]3 years ago
7 0
The equation is already solved for the variable t To solve for any other variable simply rearrange theequation to have the indicated variable on one sideof the equals sign and everything else on the other. For example, to solve for a: t=an+b       subtract b from both sidest-b = an      divide both sides by n(t-b)/n = a Or:  a = (t-b)/n Work in the same manner to solve for either b or n: b = t-an n = (t-b)/a
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How many grams are 2.7x10-^4 grams
andrew-mc [135]

Answer:

0,00027 grams!

Step-by-step explanation:

This is a scientific notation problem.

When a number is followed by a 10^{-1}, it means that said number has one zero at the beginning.

In this case, the number is followed by 10^{-4}, so that means that 2.7 has four zeros at the beginning. So, 2.7x10^{-4} grams is equal to 0,00027 grams! (always the comma goes after the first zero).

6 0
3 years ago
I need help Pleaseeeee WILL GIVE BRAINLIEST
IrinaK [193]

Answer:

C.540 square cm

Step-by-step explanation:

The object is 6 times as big as the scale drawing. The area of the scaled object , to find the area of the object.. you have to multiply the area of the scaled object by the scale factor squared

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5 0
2 years ago
Solve for r.<br> -13 = r/9 +8
love history [14]
R/9 = -21
Multiply by 9
r = -189
4 0
2 years ago
Read 2 more answers
I still don’t understand can someone give a helping hand?
Fofino [41]

Answer:

A

Step-by-step explanation:

A, B, C, and D, are all functions. the " { " is saying that those functions can are different at different points. For A the function is A= -x-2 when x< 2 and then A=x+4 when x\geq -2. At the point x=-2 you can see that the function on the graph is going in two different directions but it stops at x=-2.

Based on the graph you can see that the line on the left has a slope of -1 and if it kept going it would cross the y-axis at y=-2, therefore the equation for the first line is y =-x-2 when x

The second line on the right side has a slope of 1 and crosses the y-axis at y=4 so the equation for that line is y=x+4 when x\geq -2.

The only answer that matches these requirements is A

6 0
2 years ago
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Andrej [43]

Answer:The formula for a combination of choosing r unique ways from n possibilities is:

nCr  =   n!

  r!(n - r)!

where n is the number of items and r is the unique arrangements.

Plugging in our numbers of n = 10 and r = 0, we get

10C0  =   10!

  0!(10 - 0)!

10C0  =   3,628,800

  3,628,800

8 0
1 year ago
Read 2 more answers
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