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cricket20 [7]
3 years ago
6

Please help ! I’m taking this test right now

Mathematics
1 answer:
Setler [38]3 years ago
7 0

Answer:

-2\frac{1}{3} -(-10\frac{1}{6}) =-\frac{7}{3}+\frac{61}{6} =-\frac{14}{6} +\frac{61}{6} =\frac{47}{6} =7\frac{5}{6}

Step-by-step explanation:

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What constant do you need to add to each quadratic to complete the square?
babunello [35]

Answer:

1. 4

2. 16

3. 9

Step-by-step explanation:

Completing the square requires a quadratic in ax^2+bx=c form. Once in this form, calculate (\frac{b}{2})^2.

1. (\frac{b}{2})^2=(\frac{-4}{2})^2=4

2. (\frac{b}{2})^2=(\frac{-8}{2})^2=16

3. Requires you divide everything by 3 first.

\frac{3x^2+18x}{3} =\frac{249}{3} \\x^2+6x=81

(\frac{b}{2})^2=(\frac{6}{2})^2=9

6 0
3 years ago
3. Given: Circle Q<br>&lt;A = 35<br>Find: m AB​
Agata [3.3K]

Answer:  110°

<u>Step-by-step explanation:</u>

∠A ≅ ∠B  

since ∠A = 35° (given), then ∠B = 35°

Use the Triangle Sum Theorem to find ∠C:

∠A + ∠B + ∠Q = 180°

35° + 35° + ∠Q = 180°

     70°    + ∠Q = 180°

                 ∠Q = 110°

The central angle (∠AQB) ≅ arc AB

since ∠AQB = 110° (solved above), then arc AB = 110°

5 0
3 years ago
Alan hikes 4.5 miles in 3 hours. Determine whether quantities (distance and time) vary directly or inversely and find the consta
Mrac [35]
V = x/t = 4.5 mil / 3 h = 1.5 mph
Since, v = 1.5 mph (or we can say that v is constant), distance and time vary directly and the constant of variation is 1.5 mph.
3 0
3 years ago
The prism is completely filled with 1750 cubes that have edge length of 15 ft.
vladimir1956 [14]
It is 14 i got it on my test 
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3 years ago
Read 2 more answers
What is the most direct use of a compass in geometric constructions
lora16 [44]

Answer:

The most direct use of a compass in any geometric constructions are to draw arcs of a given size.

Step-by-step explanation:

6 0
3 years ago
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