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ch4aika [34]
3 years ago
5

2/5 × [ -3/7] - 1/6 × 3/2 + 1/14 × 2/5

Mathematics
2 answers:
Nata [24]3 years ago
8 0

Answer:

\frac{-11}{28}

Step-by-step explanation

2/5 × (-3/7) - 1/6 × 3/2 + 1/14 × 2/5

= -6/35 - 1/4 + 1/35

= -11/28

REY [17]3 years ago
6 0

Step-by-step explanation:

here is the answer watch the picture

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An executive is earning $45,000 per year. This is
Marizza181 [45]
Her salary 4 years ago would have been $30,000.

If 45,000 is 15,000 less than double her previous salary, we must first add 15,000 to 45,000 to find what double her salary was.

45,000+15,000=60,000.

Since this is twice her salary, we divide this by 2.

60,000/2= 30,000.

So, her salary 4 years ago would have been $30,000.

I hope this helps!
4 0
2 years ago
In a triangle shown, which shows the correct order of the side lengths from smallest to largest.
Vera_Pavlovna [14]

Answer:

Not sure if there are options, but the order of side lengths from smallest to largest is <u>j, k, l</u>

Step-by-step explanation:

This is a bad explanation (sorry):

Side length order will be the same order of angle orders. By that, I mean the since angle C has the smallest angle, the side length across from it will also be the smallest. Since angle B is the biggest angle, side L will be the biggest length. This leaves angle A (and side k) in the middle.

5 0
3 years ago
What is 20-14+7-9+6-2+24=?
Rashid [163]

Answer:

32

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
How many seconds equal 3.6 hours?
MAXImum [283]
12960 seconds equals 3.6 hours.

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5 0
3 years ago
What are the solutions of the equation x6 + 6x3 + 5 = 0? Use factoring to solve. mc017-1.jpg and x = 1 mc017-2.jpg and x = –1 mc
Wittaler [7]

We are given equation :x^6+6x^3+5=0

Use\:the\:rational\:root\:theorem

\mathrm{Therefore,\:we\:need\:to\:check\:the\:following\:rational\:numbers:\quad }\pm \frac{1,\:5}{1}

-\frac{1}{1}\mathrm{\:is\:a\:root\:of\:the\:expression,\:so\:factor\:out\:}x+1

\mathrm{Compute\:}\frac{x^6+6x^3+5}{x+1}\mathrm{\:to\:get\:the\:rest\:of\:the\:eqution:\quad }x^5-x^4+x^3+5x^2-5x+5

Therefore, final factored form it

x^6\:+\:6x^3\:+\:5=\left(x+1\right)\left(x^5-x^4+x^3+5x^2-5x+5\right)

We can't factor it more.

Therefore,

x+1=0.

x=-1.

Therefore, the real solution of the equation would be -1.


5 0
3 years ago
Read 2 more answers
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