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iren [92.7K]
3 years ago
13

Can someone help me with this question please?

Mathematics
1 answer:
Llana [10]3 years ago
6 0
A, -26 is greater than or equal to -36
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Evil lives to go swimming at 4:05 and returns at 4:57 how long has she been gone?
blsea [12.9K]

She has been gone 52 min.


57 - 5 = 52

7 0
3 years ago
A/b=c solve for b<br> i need the answer ASAP
sasho [114]

\frac{a}{b}=c\\  a=bc\\ \frac{a}{c}=b


Answer is A/C

4 0
3 years ago
Find the measure of ∠5.<br><br> Given:<br> ∠4 = 37°<br> ∠8 = 62°
Lisa [10]

Answer:

99

Step-by-step explanation:

Geometry is not my best subject but here's what I did:

The sum of the angles in a triangle is 180 so if we add 4 and 8 we can get angle 6

--> 180 - (37+62)

--> 180 - 99

---> 81

The sum of the angles on a line intersected at a point = 180

180 - 81 = Angle 5

Angle 5 = 99

5 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
Read 2 more answers
A movie theater has 1000 seats. There are 424 adults and 339 children sitting in seats. How many of the seats are empty
aev [14]

Answer:

237 seats are empty

Step-by-step explanation:

8 0
2 years ago
Read 2 more answers
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