Number 19 and 20 help someone

Mathematics

2 answers:

Semmy [17]3 years ago

5 0

Omg I have the same page as you. But here’s the first one for number 19

leonid [27]3 years ago

5 0

Oof... I remember this stuff.
19.) The area of a trapezoid can be found by the formula: A=(a+b/2)h. Let me show you my work (on attachment). The answer is 1557 miles.

20.) Answer is 1904 inches but the work is on the next page.

And, sorry for taking so long!

You might be interested in

At 3:20 the hands of a clock form an acute angle that measures exactly how many degrees

Goryan [66]

Answer:

The answer is 30°.

Step-by-step explanation:

The hand of a clock rotates a full 360°, let's say 12 o'clock is 0°/360°. The hour hand for this example is at 3, it moved 90° and the minute hand marks 20 minutes meaning it's positioned on the 2. From 12 to 2 the minute hand has moved 60°. 90-60= 30. Therefore 3:20 forms a 30° angle.

7 0

3 years ago

Simplify 2(x-4)+7(x+4) <br> A. 9x-6 B.9x-4 C.9x+6

MrRissso [65]

2(x - 4) + 7(x + 4)
(2x - 2 • 4) + (7x + 7 • 4)
9x + 20

5 0

3 years ago

Find a numerical value of one trigonometric function of x for cscx = sinx tanx + cosx

Alex787 [66]

Answer:

Step-by-step explanation:

we have

$cscx = sinx tanx + cosx\\\\\frac{1}{sinx}=sinx.\frac{sinx}{cosx} +cosx\\\\\frac{1}{sinx}.sinx.cosx= sinx.\frac{sinx}{cosx}.sinx.cosx+cosx.sinx.cosx\\ cosx= (sinx)^{3} +sinx.(cosx)^{2} \\cosx= sinx[(sinx)^{2}+(cosx)^{2})\\ cosx=sinx.1\\cosx=sinx\\tanx=1\\x=\frac{\pi}{4} +k\pi,k-integer.$