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3 years ago

PLEASE answer what you can Thank you!

Mathematics

1 answer:

Pachacha [2.7K]3 years ago

7 0

Answer:

1. Is one

2. 40 Degrees

3. x=45

Step-by-step explanation:

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Which is the measure of AB? A. 10 feet B. 15 feet C. 20 feet D. 100 feet

Jobisdone [24]

Answer:

tHE ANSWER IS 10X15

Step-by-step explanation:

10X15=150

7 0

4 years ago

At noon, ship A is 130 km west of ship B. Ship A is sailing east at 25 km/h and ship B is sailing north at 20 km/h. How fast is

Hitman42 [59]

Answer:

answer = 12.87 km/h

Step-by-step explanation:

Given

Ship A is sailing east at 25 km/h = $\frac{dx}{dt}$

ship B is sailing north at 20 km/h = $\frac{dy}{dt}$

here x and y are the sailing at t = 4 : 00 pm for ship A and B respectively

so we get x = 4 ×25 =100 km/h

y = 4× 20 = 80 km/h

let z is the distance between the ships, we need to find $\frac{dz}{dt}$ at t = 4 hr

At noon, ship A is 130 km west of ship B (12:00 pm)

so equation will be

$z^2 = (130-x)^2 + y^2......................(i)\\put x = 100 and y = 80 \\\\we | | get \\$

$z^2 = 30^2 + 80^2\\z =\sqrt{7300} km/h$

derivative first equation w . r. to t we get

$2z\frac{dz}{dt} =$ $-2(130-x)\frac{dx}{dt}$ $+2y\frac{dy}{dt}$

$\frac{dz}{dt} =\frac{1}{z}[(x -130)\frac{dx}{dt} +y\frac{dy}{dt}]$

$\frac{dz}{dt} = \frac{( -20\times25 + 80\times20)}{\sqrt{7300} }$

$= \frac{1100}{85.44}\\ = 12.87km/h$

8 0

3 years ago

If y = kx, what is the value of x if y = 0.33 and k = 1/4? A) 0.08 B) 0.33 C) 0.50 D) 1.32

Vladimir79 [104]

<span>y = kx
x = y/k if y = 0.33 a</span><span>nd k = 1/4
x = 0.33/0.25
x = 1.32

answer
</span><span>D) 1.32</span>

7 0

3 years ago

Read 2 more answers

6(x + 3) − 3 = 39 whats the solution of x?

Naily [24]

Answer:

x = 4

Step-by-step explanation:

6(x+3)-3= 39

6x+18-3 =39

6x+15 =39

-15 -15

6x= 24

/6 /6

x=4

4 0

3 years ago

Read 2 more answers

If the point A at (5, 3) is rotated clockwise about the origin through 90o, what will be the coordinates of the new point?

evablogger [386]

The point (5, 3) is in first quadrant, then after the 90° clockwise the point will be in fourth quadrant and the coordinate will get swap. Then the coordinate will be (3, -5).

<h3>What is a transformation of a point?</h3>

A spatial transformation is each mapping of feature space to itself and it maintains some spatial correlation between figures.

If the point A at (5, 3) is rotated clockwise about the origin through 90°.

Then the coordinates of the new point will be

The point (5, 3) is in first quadrant, then after the 90° clockwise the point will be in fourth quadrant and the coordinate will get swap.

Then the coordinate will be (3, -5).

More about the transformation of a point link is given below.

brainly.com/question/27224339

#SPJ1

7 0

2 years ago