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RideAnS [48]
3 years ago
13

Please help me i don’t understand this.

Mathematics
1 answer:
Sveta_85 [38]3 years ago
5 0

Answer:

3x6

(3)(6)

6+6+6

for represent the situation

Step-by-step explanation:

the dining room has 3 tables

and at each table there are 6 chairs so multiplication is the operation to use to find the total

therefore the other operations do not represent the situation

but 6+6+6 represents because it is also equal to 18

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What is the slope of the line containing (–3, 1) and (1, –2)? A. 3/4B. –4/3 C. –3/4 D.4/3
Pani-rosa [81]

C.-3/4................

6 0
3 years ago
If f(x) = -0.5x + 2.5 what is f(x) = 0 and what is f(0) ?
Taya2010 [7]
A) To find x for f(x) = 0, substitute the given information and solve for x.
.. f(x) = 0 = -0.5x +2.5
.. 0.5x = 2.5 . . . . . . . . . . add 0.5x
.. x = 2.5/0.5 = 5 . . . . . . divide by the coefficient of x

f(5) = -0.5*5 +2.5 = 0


b) f(0) = -0.5*0 +2.5 = 2.5
4 0
4 years ago
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Oh my gosh help me i
Ivanshal [37]

Sorry its hard to read and see

4 0
4 years ago
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An important formula from chemistry is PV=nrt . Solve the formula for t
masha68 [24]
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6 0
3 years ago
Jack held a balloon 8 feet off the ground, straight above his head. Jill is standing 15 feet directly to the right of Jack.
katen-ka-za [31]

Answer:

Jill's feet are 17 feet from the balloon.

Step-by-step explanation:

The situation is sketched in the figure attached.

The from the ground to the balloon, the distance from Jack to Jill, and the distance from the balloon to Jill's feet forms a right triangle.

The Pythagorean Theorem says the sum of the squares of the sides of the  right triangle is equal to the square of its hypotenuse x:

(8ft)^2+ (15ft)^2 = x^2

simplifying we get

64ft^2+225ft^2=x^2

289ft^2= x^2,

and take the square root of both sides to get:

x = \sqrt{289ft^2}

\boxed{x = 17ft.}

Thus, Jill's feet are 17 feet from the balloon.

7 0
3 years ago
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