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Sergeu [11.5K]
4 years ago
15

2(5 + 9) – 6 plz help me i need it in 2 minuts

Mathematics
1 answer:
pishuonlain [190]4 years ago
7 0

Answer:

2(5+9)_6

=10+18_6

=22

is it wht u require

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A pilot flies a plane due west from 150 miles, then turns 42 degrees north of west for 70 miles. Find the planes resultant dista
maksim [4K]
This can be solve using cosine lawbut first let as solve the included angle in the triangle form
angle = 180 - 42angle = 138
c^2 = a^2 + b^2 - 2ab(cos angle)c^2 = 150^2 + 70^2 - 2(150)(70)cos(138)C^2 = 43006.04c = sqrt(43006.04)c = 207.37 mile
directionsin (x) / 70 = sin (138)/ 207.37sin x = 0.2259x = arcsin(0.2259)x = 13.05 degree north of west
6 0
4 years ago
Which of the following are polynomials?<br><br> PLS HELP
Arturiano [62]

Answer:

option (B) I'm certain of.

but if you are required to choose more than one then option (B) and (C) since polynomials are coefficients with power 2.

Step-by-step explanation:

Hope this helps.

Good luck.

4 0
2 years ago
In Euclidean geometry, the sum of the lengths of 2 sides of a triangle is greater than the length of the third side. The lengths
bearhunter [10]

Answer:x \in (\frac{5}{3},\frac{19}{3})

Step-by-step explanation:

Given

length of three sides are

3x, 7\ and\ 12

according to Euclidean geometry

7+12>3x

19>3x

\frac{19}{3}>x

also

3x+7>12

3x>5

x>\frac{5}{3}

therefore value of x \in (\frac{5}{3},\frac{19}{3})

If x is an integer then x can be 2,3,4,5,6

7 0
4 years ago
Katrina earns $12.25 per hour plus a 12% commission on any sales she makes. In one day, she worked for 10 hours, and she made $3
netineya [11]

Answer:

$169.06

Step-by-step explanation:

$12.25 x 10 = $122.50

$388 x 0.12 = $46.56

$46.56 + $122.50 = $169.06

4 0
3 years ago
Peyton opened a savings account with $1800 that pays no interest. She deposits an
ozzi

Answer:

She should have $4200 in the account after 24 weeks.

Step-by-step explanation:

Because this account has no interest and only increases its value because she adds $100 every week, we just multiply the number of weeks by 100 and add that to the $1800 she already has in the account.

5 0
3 years ago
Read 2 more answers
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