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weqwewe [10]
3 years ago
10

Which of the following is a radical equation? X+ 5-12 x2 = 16 3+ x7 - 13 X = 14

Mathematics
1 answer:
pogonyaev3 years ago
8 0
None of those could be a radical, you would have to have a radical symbol for it to become a radical
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How many ways can 13 students line up for lunch
Delicious77 [7]

Answer: 13

Step-by-step explanation:

You draw 13 different coloured dots and change their position

7 0
3 years ago
A vertical radio tower is 645 feet high above level ground. How far would you need to be from the base of the tower so that the
WITCHER [35]

Answer:

921.165 feet

Step-by-step explanation:

Ok we are looking for the length of the base.

Now let's take the question and picture it as a triangle, we will find out that it looks like a right angle triangle.

The height= 645 feet

Angle of elevation= 35°

Base is unknown

To find the base

We recall that tan of angle

= opposite/adjacent

In this case

Angle= 35°

Opposite= height= 645

Adjacent= base

Tan 35 = 645/adj

Adj =645/tan 35

Adj =645/0.7002

Adj = 921.165

The base is 921.165 feet

8 0
3 years ago
tyler sells candy and popcorn. Altogether he sold 15 items. He sells candy for $2 and pop corn $4 and eanred $36. How much candy
9966 [12]

Answer:

candy= 11 popcorn=4

Step-by-step explanation:

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4x4=16

16+22=36

8 0
3 years ago
Please Help Keep getting 6.4
elixir [45]

Answer:

r = 3

Step-by-step explanation:

x^2 + 6x + y^2 - 8y = - 16

Take half the linear term and square it.

x^2 + 6x + (3)^2 + y^2 - 8y + (-4)^2 = - 16

Add the squared amounts to the right.

x^2 + 6x + 9 + y^2 - 8y + 16 = - 16 + 9 + 16  

Combine on the right.

x^2 + 6x + 9 + y^2 - 8y + 16 = 9

Represent the 2 quadratics as perfect squares.

(x + 3)^2 + y - 4)^2 = 9

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8 0
3 years ago
Read 2 more answers
6/15 divided by 1/7
mylen [45]
Question-
6/15 divided by 1/7

Answer-
Find the reciprocal of the divisor
Reciprocal of 1/7: 7/1Now, multiply it with the dividend
So, 6/15 ÷ 1/7 = 6/15 × 7/1= (6 × 7)/(15 × 1) = 42/15After reducing the fraction, the answer is 14/5In mixed form: 2 4/5
6 0
3 years ago
Read 2 more answers
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