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olganol [36]
3 years ago
8

U 480 S d T b R. C P 1549 Q

Mathematics
1 answer:
Pachacha [2.7K]3 years ago
7 0

Answer:

a = 26°

b = 48°

c = 26°

d = 106°

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Find the geometric mean of 5 and 320. <br><br> A.<br> 35<br> B.<br> 40<br> C.<br> 45<br> D.<br> 50
Softa [21]
Geometric mean of a and b is: \sqrt{ab}
\sqrt{5*320}= \sqrt{1600} = 40
Answer: B ) 40
4 0
3 years ago
If 9x²+Px+25 is a perfect square, then find the value of P​
kvv77 [185]
30 is the value of P
Steps:
A perfect square follows the pattern a^2+2ab+b^2\\\boxed{a=3,b=5}\\\boxed{2ab=30}
8 0
3 years ago
Read 2 more answers
3x
mel-nik [20]

Answer:

x = 25°

Step-by-step explanation:

3x + 2x + x + 30° = 180°

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6x = 150°

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6 0
3 years ago
Given the following 2 equations, state whether these equations are parallel, perpendicular, or neither.
stiks02 [169]

Answer:

Neither

Explanation:

The slope-intercept form of the equation of a line is generally given as;

y=mx+b

where m = the slope of the line

b = the y-intercept of the line

Two lines are said to be parallel if they have the same slope. Looking at the two given equations below, we see that the slope of the 1st one, 5/7, is different from the slope of the 2nd one, 7/5;

\begin{gathered} y=\frac{5}{7}x+14 \\ y=\frac{7}{5}x-20 \end{gathered}

Two lines are said to be perpendicular if their slopes are negative reciprocals of each other, let's go ahead and compare their slopes;

\begin{gathered} m_1=\frac{5}{7} \\ m_2=\frac{7}{5} \\ \therefore m_2=\frac{1}{m_1_{}} \end{gathered}

So the two lines are not perpendicular to each other. It, therefore, means that the correct answer will be Neither.

3 0
1 year ago
Can Someone please help me with this please please please
jasenka [17]

Answer:

About 5.5, but it is technically closer to 5.6 so I am not entirely sure

Step-by-step explanation:

Since EB and DC are parallel, triangles ABE and ACD are similar by AA. Therefore:

\dfrac{x}{10}=\dfrac{10}{18} \\\\\\x=10\cdot \dfrac{10}{18}\approx 5.5

Hope this helps!

4 0
3 years ago
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