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3 years ago

15

In the below figure what is the value of ∠QPR, in degrees, if ∠SPQ is a straight line? The measure of a straight angle is 180 de

grees.

1 answer:

inysia [295]3 years ago

6 0

Answer:

180

Step-by-step explanation:

spr is one line and qp is another in a perpendicular position

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I need this question answered plz help.

wel

Answer:

a.12/13

Step-by-step explanation:

FORMULA: sine of an angle in a triangle is given by, $\frac{opposite side's length}{length of the hypotenuse}$

here, in the given triangle PQR, for angle 'p'

opposite side= QR

adjacent side= PQ

hypotenuse=PR

Therefore, sine of angle p= $\frac{QR length}{PR length} = \frac{12}{13}$

Thus, by using the above given formula, the sine of angle p in the triangle PQR is 12/13.

hence, the trigonometric formulas as mentioned above should be remembered for sure to solve these type of problems

6 0

2 years ago

I need to know the answer

Genrish500 [490]

That equals 48 since you would just have to multiply 8 6 times like how the question stated. I hope that this helped

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2 years ago

A restaurant uses 290 pounds of onions every 2 and a half weeks. If they continue to use onions at the same rate, how many pound

Archy [21]

290/2.5 = 116 pounds per week

116 * 6 = 696 pounds

4 0

2 years ago

Read 2 more answers

Solve each system of linear equations albebraically

ANEK [815]

Step-by-step explanation:

$1.\\\left\{\begin{array}{ccc}y=3x&(1)\\2y=6x&(2)\end{array}\right\\\\\text{Substitute (1) to (2):}\\\\2(3x)=6x\\6x=6x\qquad\text{subtract}\ 6x\ \text{from both sides}\\6x-6x=6x-6x\\0=0\qquad\text{TRUE}\\\\Answer:\ \text{Infinitely many solutions}\\\\\left\{\begin{array}{ccc}y=3x\\x\in\mathbb{R}\end{array}\right$

$2.\\\left\{\begin{array}{ccc}y=2x+5&(1)\\y-2x=1&(2)\end{array}\right\\\\\text{Substitute (1) to (2):}\\\\(2x+5)-2x=1\\2x+5-2x=1\qquad\text{combine like terms}\\(2x-2x)+5=1\\5=-1\qquad\text{FALSE}\\\\Answer:\ \text{No solution.}$

$3.\\\left\{\begin{array}{ccc}3x-2y=9\\-6x+4y=1&\text{divide both sides by 2}\end{array}\right\\\underline{+\left\{\begin{array}{ccc}3x-2y=9\\-3x+2y=0.5\end{array}\right}\qquad\text{add both sides of the equations}\\.\qquad\qquad0=9.5\qquad\text{FALSE}\\\\Answer:\ \text{No solution.}$

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3 years ago

The midpoint of stack A B with bar on top has coordinates of (4, -9). Endpoint A has coordinates (-3, -5). What are the coordina

Radda [10]

I think it's B with the bar on top

3 0

3 years ago