All categories

3 years ago

Pls help me answer this 12 to 15 questions

Mathematics

1 answer:

Orlov [11]3 years ago

8 0

Answer:

Step-by-step explanation:

See attachment

12. -23C

13. 28.9% Loss

14. Diagram in the attachment. The sides can be calculated with the Pythagorean Theorem. Side = 3.61 cm

15. Use trig relationships. x = 5, y = 8.66

You might be interested in

Precal : Note: Triangle may not be drawn to scale. Suppose a = 3 and A = 15 degrees

drek231 [11]

Given:

In a right triangle at B,

$\begin{gathered} a=3 \\ A=15^{\circ} \end{gathered}$

To find:

The length of the sides b and c and angle B.

Explanation:

Using the trigonometric ratio,

$\begin{gathered} sinA=\frac{a}{c} \\ \sin15^{\circ}=\frac{3}{c} \\ c=\frac{3}{\sin15^{\circ}} \\ c=11.59 \\ c\approx11.6 \end{gathered}$

Using the trigonometric ratio,

$\begin{gathered} \tan A=\frac{a}{b} \\ \tan15^{\circ}=\frac{3}{b} \\ b=\frac{3}{\tan15^{\circ}} \\ b=11.19 \\ b\approx11.2 \end{gathered}$

Using the angle sum property,

The angle B becomes,

$\begin{gathered} 90+15+B=180 \\ B=180-90-15 \\ B=75^{\circ} \end{gathered}$

Final answer:

The values are,

$\begin{gathered} b=11.2 \\ c=11.6 \\ B=75^{\circ} \end{gathered}$

3 0

1 year ago

Determine the period of the function graphed at the right.

Doss [256]

Answer:

Step-by-step explanation:

7 0

3 years ago

What is 7/3/15 and what is 11/1/6

irina1246 [14]

7.2 and 11.16666666666666... (going on forever.) Another way to say this is 11.16 with a line over the 6 to mean the six goes on forever. I may be wrong.

3 0

3 years ago

-4x+2+x=-10 what is x

Ivahew [28]

X=4
I have attached a picture showing you how to solve this! :)

4 0

3 years ago

Read 2 more answers

Simplify -62 ÷ 12 - 2(-7). -17 35 11 -35

Rina8888 [55]

I don't know if you know something called PEMDAS

Parentheses
Exponent
Multiply
Divide
Add
Subtract

So you would do the -2(-7) first giving you 14

So now we have -62/12 +14

now you would do -62/12 giving you -5.16666667

and now the equation is -5.16666667 + 14 = 8.83333333

I know for a fact, being in Calculus Honors, that what I did to simplify is correct. Using the Order of Operations, or PEMDAS (Commonly remebered as "Please Excuse My Dear Aunt Sally". It stands for "Parentheses, Exponents, Multiplication and Division, and Addition and Subtraction".) to simplify this answer is necessary.

If your teacher wrote this problem please inform him or her of Order of Operations before your classmates use it even though its wrong.

3 0

3 years ago

Pls help me answer this 12 to 15 questions​

Pls help me answer this 12 to 15 questions