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Vedmedyk [2.9K]
3 years ago
15

Find the indicated values in each shape

Mathematics
1 answer:
DENIUS [597]3 years ago
7 0

Answer:

gap plzzzzzz

Step-by-step explanation:

likeeeeeeeeeeeeeeeeeeee

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PLEASEE HELPP<br><br>3. Evaluate the following equation for x. 2 X = -20 5​
KengaRu [80]

Answer:

x=50

Step-by-step explanation:

5 0
3 years ago
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U is the set of colleges in a country. A is the set of colleges that have a hockey team. B is the set of colleges that have a ph
mojhsa [17]

Answer: C

Step-by-step explanation: If B is the set of colleges that have a physics department.  

B’ is the set of colleges that do not have a physics department.  

U is the union, so we are going to put every element from A and B' together. It can be translated as OR.  

A U B’ is the set of elements in a country that have a hockey team (A) or do not have a physics department (B’) .

8 0
3 years ago
A rectangular sheet of metal has identical squares cut from each corner. The sheet is then bent along the dotted lines to form a
Reika [66]

The <em><u>correct answer</u></em> is:

3 inches.

Explanation:

We will use the Rational Roots Theorem to solve this.

First we can divide both sides of the equation by 4 in order to simplify it:

\frac{4x^3-72x^2+320x}{4}=\frac{420}[4} \\ \\x^3-18x^2+80=105

In order to solve this, we want the polynomial set equal to 0. To do this, subtract 105 from both sides:

x^3-18x^2+80x-105=105-105 \\x^3-18x^2+80x-105=0

The Rational Roots Theorem says that if p/q is a root of the polynomial, then p is a factor of the constant term and q is a factor of the leading coefficient. The constant term is -105. Drawing a factor tree, we find that the factors of this number are 1, -1, 3, -3, 5, -5, 7, -5, 15, -15, 21, -21. The leading coefficient is 1; its only factor is 1. This means p/q must be a whole number, and can be any of the factors of 105.

Using synthetic division, we try 1 in the box:

<u>1 |</u> 1 -18 80 -105

_______<u> 1</u>__<u> -17</u>___<u>63</u>__

1 -17 63 -42

Since there is a remainder, this is not a root. Trying -1,

<u>-1 |</u> 1 -18 80 -105

_______<u>-1</u>__<u> 19 </u>_<u>-99</u>_

1 -19 99 -204

This is not a root; in fact, it shows us that none of the negatives will be a factor, as the absolute values increase as we complete the synthetic division.

Trying 3,

3 | 1 -18 80 -105

________<u>3</u>__<u>-45</u>___<u>105</u>_

1 -15 35 0

Since there is no remainder, 3 is a root, and is the answer we are looking for.

3 0
3 years ago
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Plz plz plz plz plz plz help
svetoff [14.1K]

Answer:

  • 49² alternate to 2304

hope it helps

7 0
3 years ago
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PLEASE HELPP!!!
jarptica [38.1K]

Answer:

Reason 4. Division Property of Equality

Step-by-step explanation:

It should be Multiplication Property of Equality instead, which is:

If given a = b

then  a × c = b × c

5 0
3 years ago
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