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Luba_88 [7]
2 years ago
13

F(105)=105/7 use the following functions to find f(105)

Mathematics
1 answer:
sashaice [31]2 years ago
4 0

Answer:

F(105)  = 15

Step-by-step explanation:

105 ÷ 7 = 15

Hope this helps!

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What is the measurement 345.067 mg rounded to four significant digits?
Viktor [21]
<span>count four from the first digit to the fourth one. When you see the fourth one, look at the digit after. if it is 5+ then the fourth digit increases by one. if 5- then it stays the same. 6>5 so 0 becomes 1.

Therefore the answer is 345.1mg</span>
4 0
3 years ago
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Find the x-intercepts of the parabola with vertex (-4,2) and y-intercept (0,-30). Write your answer in this form: (x1, y1),(x2,
Ainat [17]
Vertex form of a parabola 
<span>y = a (x - h)^2 + k </span>

<span>where (h, k) is the vertex </span>
Substituting the values of h and k.
we get, 

<span>y = a(x + 4)^2 + 2 </span>

<span>substituting in the point (0, -30) for  x and  y
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<span>y = -2(x + 4)^2 + 2 </span>

<span>Put y = 0 </span>

<span>-2 x^2 - 16 x - 30 = 0 </span>
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<span>(x + 3)(x + 5) = 0 </span>

<span>x = -3
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3 0
3 years ago
I will mark your answer brainliest.
Juli2301 [7.4K]

Answer:

$4

Step-by-step explanation:

12÷4=3

7÷7=1

3+1=4

therefore she spent 4 dollars

3 0
3 years ago
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KATRIN_1 [288]

The distance between the trains is changing at the rate of (70 -60) = 10 mph. They will be in the same place (45 mi)/(10 mi/h) = 4.5 hours after they leave their respective cities. They will be 10 miles apart both 1 hour before that time and one hour after that time.

The trains will be 10 miles apart 3.5 hours after leaving.

They will be 10 miles apart the second time 5.5 hours after leaving.

4 0
3 years ago
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The ratio of Tom's studying time on a weekday to his studying
lesantik [10]

Answer:

6 hrs

Step-by-step explanation:

4:5

2.4 : 3.2

2.4+3.2=6 hrs

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2 years ago
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