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4 years ago

What decimal is equivalent to 2x100+3x10+4x1+5x(1/10)+6x((1/10)+7x(1(/1000)

Mathematics

1 answer:

Cerrena [4.2K]4 years ago

4 0

O. o oh boi that’s alat of numbers :O explanation:

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PLZ HELP

Alex

Answer:

The correct option is C ) 109.5°

Therefore,

$m\angle E=109.5\°$

Step-by-step explanation:

Given:

In Triangle DEF

d = 10

e = 18

f = 12

To Find

angle E = ?

Solution:

In Triangle DEF , Cosine Rule says

$\cos E=\dfrac{f^{2}+d^{2}-e^{2}}{2fd}$

Substituting the values we get

$\cos E=\dfrac{12^{2}+10^{2}-18^{2}}{2\times 12\times 10}$

$\cos E=\dfrac{-80}{240}=-\dfrac{1}{3}$

Therefore,

$\angle E=\cos^{-1}(-0.3333)$

$m\angle E=109.5\°$ ............As it is in Second Quadrant

Therefore,

$m\angle E=109.5\°$

4 0

4 years ago

A recipe require 1/4 lb of onions to make servings of soup. Mark has 1 1/2 lb of onions. How many servings can mark make

djyliett [7]

he can make 6 servings of soup

7 0

3 years ago

Read 2 more answers

What is the completely factored for of x^2-16xy+64y^2

Elden [556K]

Answer:

(x-8y)^2

Step-by-step explanation:

I used a calculator

4 0

4 years ago

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Simplify. 8r(4 - p) 32r -p 32r - 8rp 32 - rp 4 - 8rp

gizmo_the_mogwai [7]

So the right answer is of option B.

Look at the attached picture

hope it will be helpful to you...

4 0

3 years ago

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Bus A and Bus B leave the the bus depot at 2 pm.

Tanya [424]

Answer:

3:15 pm

Step-by-step explanation:

You can imagine that they go in a circle (we can do whatever we want in theoretical math and physics). By doing so we know we can obtain a cosinusoidal wave by projecting the motion on a plane. Each one of the buses has a period (minimum time after what they're in the same point again). For the first one it's 15 minutes, for the second one it's 20 minutes. We have to take the least common multiple of the periods, that is 75 minutes. So They'll meet every 75 minutes. Add 75 minutes (1h and 15 minutes) to 2pm and there you go.

6 0

2 years ago