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tekilochka [14]
2 years ago
11

B. Translate each word into algebraic eqaution. (Use any letter)

Mathematics
1 answer:
Ymorist [56]2 years ago
8 0
For 1

Twice a number means
A number used two times
Is that number was x
What do we do to x
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Which expression is equivalent to (18x + 9k) + (2x + 6k)?
Verizon [17]

20x + 15k is the answer we just have to remove the bracket and add the terms

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4 0
3 years ago
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What is the binomial
mina [271]

Answer:

C.

Step-by-step explanation:

The  coefficients of the expansion of (a + b)^2 are 1 2 1, which is the third row of Pascal's triangle.

For (a + b)^3 they are 1 3 3 1 which is in the 4th row, and so on

So those for the (a + b)^n are in the (n + 1)th row.

4 0
3 years ago
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Vanessa throws a tennis ball in the air. the function h(t) = -16t2 + 45t + 7 represents the distance, in feet, that the ball is
antiseptic1488 [7]
Given that height, h(t) of a tennis ball is modeled by the equation h(t)=<span>-16t^2 + 45t + 7, the time taken for the ball to reach maximum height will found as follows:
at maximum height:
h'(t)=0
but from the equation:
h'(t)=-32t+45=0
solving for t we get
t=45/32
t=1.40625~1.4 seconds
Thus the time taken to reach maximum height is 1.4 seconds


</span>
4 0
3 years ago
A boat travels 475 miles in 30
Sholpan [36]

Answer:

approx 15.5 hours

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475/30 = 15.83 miles per hour

245 = 15.83·t

t = 245/15.83

t = 15.5 hours

7 0
3 years ago
−8.5x + 0.36 = −3.04
erma4kov [3.2K]
X= 0.4

-8.5x=-3.4
x=0.4
4 0
3 years ago
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