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jeka94
3 years ago
5

What is the answer to 10-2•9+(-1)

Mathematics
1 answer:
mixer [17]3 years ago
8 0

Answer:

-9

Step-by-step explanation:

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Solve this please with steps b^4-3b^3-10b^2
gtnhenbr [62]

Answer:

Step-by-step explanation:

There's no "solving" to be done because its an expression, but im assuming the question wants you to factor.

b^4-3b^3-10b^2

First, factor out a b^2

b^2(b^2-3b-10)

Factor the trinomial. What two numbers multiply to equal -10 but add to equal -3? They are -5 and +2

b^2((b-5)(b+2))

8 0
3 years ago
An ant looks up to the top of a tree at an angle of elevation of 40 degrees. If the ant is 30 feet from the base of the tree, wh
Alborosie
For the answer to the question above, this is a right triangle problem using the tangent function. 
<span>Tan(x) = Opposite (O) / Adjacent (A) </span>
<span>x = 40 degrees </span>
<span>A = 30 ft </span>
<span>Solve for O </span>
<span>O= Tan (x) * A </span>
<span>O = Tan (40) * 30 </span>
<span>Use your calculator or whatever method to get the tangent of 40 degrees (which is .84) </span>
<span>O = .84 * 30 </span>
<span>O = 25.2 Ft</span>
5 0
3 years ago
Read 2 more answers
You rent an apartment that costs $1100 per month during the first year, but the rent is set to go up 9.5% per year. What would b
uranmaximum [27]

Answer:

  $2076.30

Step-by-step explanation:

In the n-th year, the rent will be ...

  an = a1·r^(n-1) . . . . . . . . . r is the year on year ratio: 1+rate of increase

  an = 1100·(1.095^(n-1))

Then the rent in the 8th year is ...

  a8 = 1100·(1.095^(8-1)) ≈ 2076.30

The rent in the 8th year would be $2076.30.

8 0
2 years ago
Three students are arguing over who can run the fastest.
ValentinkaMS [17]

Answer:

1/8

Step-by-step explanation

8 min-->1 mile

1 min --> 1/8 mile

8 0
3 years ago
Need help !!!!!!!! #6
kati45 [8]

Answer:

C

Step-by-step explanation:

7 0
3 years ago
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