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sveta [45]
3 years ago
8

Write a real-world problem that can be represented by the inequality r + 32 (greater then or equal to sign) 56

Mathematics
1 answer:
Diano4ka-milaya [45]3 years ago
6 0
Dominic wants to say up for a game that is $56. He needs at least $56 dollars to buy the game. He has $32 currently. How much more money does he need to be able to afford the game?
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What's the answer? Can't figure it out
soldier1979 [14.2K]
9x⁹ - 90x⁸ - 351x⁷

What do each of these numbers have in common?

They ALL have 9x⁷ in them!

So, divide each one of these by 9x⁷

9x⁹ ÷ 9x⁷ = 9x²

-90x⁸ ÷ 9x⁷ = -9x

-351x⁷ ÷ 9x⁷ = -39

So, factorized completely, it is :

9x² - 9x - 39

~Hope I helped!~


4 0
3 years ago
Find the surface area of the cone, use 3.14 for pi
seraphim [82]
To find the area of a cone you do A=πr(r+\sqrt{h^2 + r^2}
Which give you the answer of 151.58
6 0
3 years ago
Read 2 more answers
Angles A and B are located in the first quadrant such that sinA= 7/25 and cosB = 5/13. Determine the exact value for cos (A-B).
fomenos

Answer:

  204/325

Step-by-step explanation:

You can work this a couple of ways. We expect you are probably expected to use trig identities.

  cos(A) = √(1 -sin²(A)) = 24/25

  sin(B) = √(1 -cos²(B)) = 12/13

cos(A -B) = cos(A)cos(B) +sin(A)sin(B) = (24/25)(5/13) +(7/25)(12/13)

  = (24·5 +7·12)/325

cos(A -B) = 204/325

__

The other way to work this is using inverse trig functions. It is necessary to carry the full calculator precision if you want an exact answer.

  cos(A -B) = cos(arcsin(7/25) -arccos(5/13)) = cos(16.2602° -67.3801°)

  = cos(-51.1199°) ≈ 0.62769230 . . . . (last 6 digits repeating)

The denominators of 25 and 13 suggest that the desired fraction will have a denominator of 25·13 = 325, so we can multiply this value by 325 to see what we get.

  325·cos(A-B) = 204

so, the exact value is ...

  cos(A -B) = 204/325

8 0
2 years ago
What is being done to the variable in the equation M/5 = -40?
Verdich [7]

Answer:

The correct answer is M = -200

Step-by-step explanation:

It is given an equation,

M/5 = -40

In this equation there is only one variable .

The variable is M. To find the value of M we have to evaluate the expression.

<u>To find the vale of M</u>

M/5 = -40

By cross multiplying we get,

M = -40 * 5

M = -200

Therefore the value of M = -200

3 0
3 years ago
Express x cm in metres​
Viktor [21]

Answer:

0.0X m

Step-by-step explanation:

100 cm = 1 m

According to the question, we have

\frac{x}{100} = 1 m

0.0X = 1 m

4 0
2 years ago
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