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Phoenix [80]
3 years ago
6

Can someone please answer this!!!!

Mathematics
1 answer:
alexandr402 [8]3 years ago
3 0

Step-by-step explanation:

\frac{y}{20 \sqrt{3} }  =  \sin(30)

y = 20 \sqrt{3}  \times   \frac{1}{2}

y = 10 \sqrt{3}

\frac{x}{20 \sqrt{3} }  =  \cos(30)

x = 20 \sqrt{3}  \times  \frac{ \sqrt{3} }{2}

x = 30

option D, x=30 and y = 10√3

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HELP!!! Lucas deposits $250,000 into two investment accounts. Over a year, the first account
prohojiy [21]

The amount deposited in the account that earns 3.6% interest is $57,600 and the amount  deposited in the account that earns 2.1% interest is $192,400

The first step is to determine the amount of interest he earned in total over a year

Interest = Amount in the account - amount deposited

$256,114 -  $250,000 = $6,114

The second step is to formulate two set of equations and use simultaneous equation to solve the question

a + b = $250,000 equation 1

0.036a + 0.021b = $6,114 equation 2

Where a represent amount deposited in the account that earns 3.6% interest

b  represent amount deposited in the account that earns 2,1% interest

Multiply equation 1 by 0.036

0.036a + 0.036b = 9000 equation 3

Subtract equation 2 from 3

2886 = 0.015b

divide both sides of the equation by 0.015

b = $192,400

Substitute for b in equation 1

a + 192,400 = 250,000

a = 250,000 - 192400

a = $57,600

To learn more about simultaneous equations, please check: brainly.com/question/23589883?referrer=searchResults

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3 years ago
Consider the following figure:
kiruha [24]

The solid 3D object that is produced by rotating the triangle about line m is a cone.

<h3>What is a triangle?</h3>

It should be noted that a triangle simply means a shape that has three sides and three angles.

In this case, the solid 3D object that is produced by rotating the triangle about line m is a cone.

Learn more about triangle on:

brainly.com/question/1058720

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8 0
2 years ago
1. Order the data from least to greatest.
Vladimir [108]

Answer:

rn i am doing hw but i can help you with this later , do you need the answer rn ??

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3 years ago
HOW DO YOU FIND THIS AGAIN PLS HELP!
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<h2>28 units²</h2><h2>____________________</h2>

<u>Step-by-step explanation:</u>

length = 8 units

breadth = 3.5 units

area = length × breadth

= 8 × 3.5

= 28 units²

<h2>____________________</h2><h2>FOLLOW ME</h2>
5 0
3 years ago
Read 2 more answers
3. The following sets are not equal - An (BUC) and AU(BnC) Construct a universe U and non-empty sets A, B, and C so that the abo
yarga [219]

Answer:

1.U={1,2,3,4,5}

A={2}

B={2,3}

C={4,5}

2.U={1,2,3,4}

A={1,2}

B={2,3}

C={4}

Step-by-step explanation:

We are given that A\cap (B\cup C) and A\cup (B\cap C)

are different sets

1.We have to construct a universe set U and non empty sets A,B and C so that above set in fact the same

Suppose U={1,2,3,4,5}

A={2}

B={2,3}

C={4,5}

B\cap C=\phi

B\cup C={2,3,4,5}

A\cap (B\cup C)={2}\cap{2,3,4,5}={2}

A\cup (B\cap C)={2}\cup\phi={2}

Hence, A\cap (B\cup C)=A\cup (B\cap C)

2.We have to construct a universe set U and non empty sets A,B and C so that  above sets are in fact different

Suppose U={1,2,3,4}

A={1,2}

B={2,3}

C={4}

B\cap C=\phi

B\cup C={2,3,4}

A\cup (B\cap C)={1,2}\cup \phi={1,2}

A\cap (B\cup C)={1,2}\cap {2,3,4}={2}

Hence, A\cap (B\cup C)\neq A\cup (B\cap C)

3 0
3 years ago
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