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3 years ago

I need help with this question

Mathematics

2 answers:

Tresset [83]3 years ago

8 0

Answer:

Kite.

Step-by-step explanation:

Quadrilateral Q is a kite since it has 2 different pairs of equal sides.

Gekata [30.6K]3 years ago

6 0

Answer:

It is called kite

Step-by-step explanation:

A Kite is a flat shape with straight sides. It has two pairs of equal-length adjacent (next to each other) sides.

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Find all solutions of the equation in the interval [0°, 360°). cos(x) = -1

nika2105 [10]

Answer:

180°

Step-by-step explanation:

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x = $cos^{-1}$ (- 1) = 180°

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3 years ago

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Use law of sines or law of cosines to find the length of side AB Please show work !!

scoray [572]

Answer:

$AB = 11.3$

Step-by-step explanation:

Given

The attached triangle

Required

Length AB

To do this, we make use of sine law which is represented as:

$\frac{a}{\sin(a)} = \frac{b}{\sin(b)} = \frac{c}{\sin(c)}$

So, we have:

$\frac{15}{\sin(70)} = \frac{AB}{\sin(45)}$

Make AB the subject

$AB = \frac{15}{\sin(70)} * \sin(45)$

$AB = \frac{15}{0.9397} *0.7071$

$AB = 11.3$

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3 years ago

The two parallelograms below are similar. What is the length in inches of PQ? 40 in. 34 in. 38 in. 14 in.

Aleks [24]

Answer:

40 inches

Step-by-step explanation:

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3 years ago

What is the solution of log 2 (3x-7) = 3

wel

$\bf \textit{Logarithm Cancellation Rules} \\\\ log_a a^x = x\qquad \qquad \stackrel{\textit{we'll use this one}}{a^{log_a x}=x} \\\\[-0.35em] \rule{34em}{0.25pt}\\\\ \log_2(3x-7)=3\implies 2^{\log_2(3x-7)}=2^3\implies 3x-7=2^3\implies 3x-7=8 \\\\\\ 3x=15\implies x=\cfrac{15}{3}\implies x=5$

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3 years ago