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max2010maxim [7]
3 years ago
9

What is 3 1/2- 2/7 ^ ^ fractions

Mathematics
1 answer:
Svet_ta [14]3 years ago
5 0
45/15 which equals 3 3/14 as a mixed number
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NEED ANSWER ASAP!!!! will mark you brainliest!!! Thank you!!!
iVinArrow [24]

Answer:

62°

Step-by-step explanation:

Since one arm making angle x is diameter. So, by inscribed angle theorem, we have:

x =  \frac{1}{2} (180 \degree - 56 \degree) \\  \\  x=  \frac{1}{2}  \times 124 \degree \\  \\  \huge \red{ \boxed{x = 62 \degree}}

5 0
3 years ago
1) Solve for Side A.<br><br> 2) Solve for Angle B.
avanturin [10]

Answer:

solution given;

let

AB=a

AC=b=30ft

AB=c=20ft

<A=115°

By using Cosine rule.

a²=b²+c²-2bc cos angle

a²=30²+20²-2*30*20 Cos 115°

a²=1807.1419

a=√[1807.1419]

a=42.51

Side A is 42.51ft.

Again

Cos B=\frac{a²+c²-b²}{2ac}

Cos B=\frac{42.51²+20²-30²}{2*42.51*20}

Cos B=0.7687

<B=Cos -¹(0.7687)

<B=39.46°

Angle B is 39.46

4 0
3 years ago
Read 2 more answers
How many solutions does this system of equations have? Explain how you know.
Nostrana [21]

Answer:

No solution

Step-by-step explanation:

The given equations are :

9x-3y=-6

3x-y=2.....(1)

5y=15x+10

5y-15x=10

or

y-3x=2 .....(2)

Equations (1) and (2) shows that the lines are parallel. We know that for parallel lines, there is no solution.

3 0
2 years ago
Plz help me it's due today
sveticcg [70]
60 miles per hour is the speed
4 0
2 years ago
I’m having a hard time anyone knows??
Dvinal [7]

Answer:

65

Step-by-step explanation:

See image below:)

4 0
2 years ago
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