3 years ago

Which expression can be written as 4 • (3 8)?

Mathematics

1 answer:

wlad13 [49]3 years ago

6 0

The answer is D. 4 • 38

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I don’t quite understand this problem could someone help me please

ale4655 [162]

Answer:

$\frac{7\sqrt{65}}{65}$

Step-by-step explanation:

Cosine is the ratio of the side adjacent to the angle and the right triangle hypotenuse.

$cos$ B = $\frac{7}{\sqrt{65}}$ = $\frac{7\sqrt{65}}{65}$

3 0

1 year ago

Use the slope formula to find the slope between the given two points <br><br> (-4, -1) and (-2, -5)

OlgaM077 [116]

Answer:

-2

Step-by-step explanation:

use the slope formula which is y2-21/x2-x1

these are what i chose my numbers to be

-4=x1

-1= y1

-2= x2

-5= y2

-5-(-1)/-2-(-4) = -2

thats all

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3 years ago

Can someone tell me everything they know about Introducing Proportional Relationships?

Nookie1986 [14]

Answer:

1.Radius if half of diameter

2.If you want to get to circumference it diameter x 3.14

3.To find area of circle r x r x 3.14

4.From circumferenc to diameter it is circumfrence

divided by 3.14

4 0

3 years ago

3<br><img src="https://tex.z-dn.net/?f=%20%7B3%7D%5E%7B7%7D%20%20%3D%20" id="TexFormula1" title=" {3}^{7} = " alt=" {3}^{7} =

DedPeter [7]

Answer:2187

Step-by-step explanation:

3*3*3*3*3*3*3=2187

3 0

3 years ago

Two cities are 3450 miles apart. A plane leaves one of them, traveling towards the other at an average speed of 310 miles per h

Amiraneli [1.4K]

Answer:

5 hours.

Step-by-step explanation:

let they meet after t hours.

310t+380t=3450

690t=3450

69t=345

t=345/69=5

8 0

2 years ago