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3 years ago

(-7x∧5 + 14 - 2x) + (10x∧4 + 7x + 5x∧5)

Mathematics

1 answer:

Maslowich3 years ago

7 0

$-7x^5 + 5x^5 +10x^4 -2x + 7x + 14= -2x^5 +10x^4 +5x + 14$

Your answer is $-2x^5 +10x^4 +5x + 14$

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If a bloodstain has a length of 3.0cm and a width of 1.5cm what is the angle of impact?

zalisa [80]

The angle of impact is 30°

<h3>What is the angle of impact?</h3>

In a bloodstain, the angle of impact can be used to determine the appearance of the resulting bloodstain if the bloodstain has a tail or pattern.

Bloodstain pattern analysis is the study of bloodstains at a scene of the crime in an attempt to reconstruct the events that resulted in the bloodshed.

Mathematically;

$\mathbf{Angle \ of \ impact = sin^{-1} (\dfrac{width \ stain}{length \ stain} )}$

$\mathbf{Angle \ of \ impact = sin^{-1} (\dfrac{1.5}{3.0} )}$

$\mathbf{Angle \ of \ impact = 30 ^0}$

Learn more about the angle of impact here:
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2 years ago

If anyone knows how to solve this I’d really appreciate it :)

ratelena [41]

The correct answer is C) 71

7 0

3 years ago

Triangles ABC and DEF are right triangles, as shown. A ABC is similar to A DEF

Fiesta28 [93]

Answer:

a/c and d/e are equal to cos(b)

Step-by-step explanation:

i used substitute and solve at first, but that didnt work too well so i moved on to the guess and check method.

my guess is a/c and d/e are equal to cos(b), can anyone check this?

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2 years ago

Which ordered pairs make both inequalities true? Check all that apply.

Andrej [43]

We can actually deduce here that the ordered pairs that make both inequalities true are:

(1,1)
(2, 2)

<h3>What is inequality?</h3>

An inequality is known to be an expression that shows that certain variables or values are not equal to each other. It is usually seen in an inequality expression as:

> (greater than)
< (less than)
≥ (greater than or equal to)
≤ (less than or equal to).

We see the attached image that shows the graph of inequality and which completes the question.

The options that complete the question are:

A. –2, 2

B. (0, 0)

C. (1,1)

D. (1, 3)

E. (2, 2)

When we insert the values of each axes into the inequality expressions given, we will discover that the ordered pairs that the inequalities true is (1,1) and (2, 2).

Learn more about inequality on brainly.com/question/25275758

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1 year ago

Boris Heban is single and pays into an HMO. The total cost is $8,190 annually, and the employer pays 90 percent of the total cos

adell [148]

So Boris has to pay:
10% * 8190 = 819
50% * 662 = 331
50% * 188 = 94

so in total he pays: 819 + 331 + 94 = 1244

deducted each week is (52 weeks in a year):
1244/52 = 23.92

so each week $23.92 are deducted from his paycheck

8 0

3 years ago