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dalvyx [7]
3 years ago
7

How t o solve negative square root of 169

la1" title=" \sqrt[ - ]{169} " alt=" \sqrt[ - ]{169} " align="absmiddle" class="latex-formula">
Mathematics
1 answer:
oee [108]3 years ago
4 0
The answer to the question is -13

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2n-5=11 what does n=
grandymaker [24]

Answer:

n = 8

Step-by-step explanation:

2n - 5 = 11

2n = 11 + 5

2n = 16

n = 16/2

n = 8

5 0
3 years ago
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Which describes the angles in triangle ABC?
luda_lava [24]

Answer:

2 acutes and one right angle

Step-by-step explanation:

one right angle equals to two acutes and one right

5 0
3 years ago
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Suppose you go to the grocery store and spend $92.54 for the purchase of 12 items. What is the mean price per item
ikadub [295]

Answer:

If its multiple choice then any number between 7 and 8 but closer the 8 should be the answer. If not, then I don't know

Step-by-step explanation:

92.54/12 = 7.71

8 0
2 years ago
Solve the triangle. a=1, b=9, C=60 degrees Find the approximation of c≈A≈B≈
tigry1 [53]

Use the cosine law to find the length of side c:

c^2=a^2+b^2-2ab\cos C\begin{gathered} c^2=1^2+9^2-2(1)(9)\cos 60 \\ c^2=1+81-18\cos 60 \\ c^2=82-18\cos 60 \\ c^2=82-9 \\ c^2=73 \\ c=\sqrt[]{73} \\ c\approx8.54 \end{gathered}

Use the cosine law to find the measure of angles A or B:

\begin{gathered}  \\ \frac{\sin A}{a}=\frac{\sin B}{b}=\frac{\sin C}{c} \\  \\ To\text{ find angle A:} \\ \frac{\sin A}{a}=\frac{\sin C}{c} \\  \\ \frac{\sin A}{1}=\frac{\sin 60}{\sqrt[]{73}} \\  \\ \sin A=\frac{\sin 60}{\sqrt[]{73}} \\  \\ A=\sin ^{-1}(\frac{\sin60}{\sqrt[]{73}}) \\  \\ A\approx5.82º \end{gathered}

4 0
2 years ago
A car drvies at a speed of 60 mph for 30 minutes. Calculate how far it travles
Studentka2010 [4]

Answer:

30 miles

Step-by-step explanation:

Distance = speed x time

30 minutes can be considered as ½ an hour.

60 x ½=30miles

8 0
3 years ago
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