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irina1246 [14]
9 months ago
10

Which of the following is equivalent to −2(4x + 8y) − 5(3q + 6p)?

Mathematics
2 answers:
Kisachek [45]9 months ago
7 0

Answer: -8x - 16y - 15q - 30p Is the correct answer

I hope this helps!

Nadusha1986 [10]9 months ago
6 0

Answer:

-8x + 16y -15q - 30p

Step-by-step explanation:

your just expanding brackets here

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b. From where the shoes spilled (48°N, 161°W) to where they were found on May 22nd 1996 (54°N, 133°W), how many kilometers did t
dsp73

To find kilometers using latitude and longitude:

distlon = lon2 - lon1   = 133-161 = -23

distlat = lat2 - lat1  = 54-48 = 6

a = (sin(distlat/2))^2 + cos(lat1) * cos(lat2) * (sin(distlon/2))^2  

a = (sin(6/2)^2 + cos(48)*cos(54)* sin(-23/2)^2

c = 2 * arctan2( sqroot(a), sqroot(1-a) )  

d = R * c (where R is the radius of the Earth, 6373 km's)

d = 2052 km's

April 30th to May 22nd is 23 days.

23 days x 24 hours per day = 552 hours.

Rate of travel = 2052 / 552 = 3.717 km per hour ( round answer as needed.)

3 0
3 years ago
The number of dogs in a pet store decreased from 35 to 31.
Ray Of Light [21]
The answer is A. 11% when it it rounded to the nearest percent
7 0
2 years ago
Read 2 more answers
What is the slope of a line that is perpendicular to the line whose equation is 2y = 3x - 1?
alexandr1967 [171]

Answer:

The slope of the line is -\frac{2}{3}

Step-by-step explanation:

For any line y=mx+b, a line that is perpendicular to it is y_\perp =-\frac{1}{m} x+b.

Therefore the slope of the perpendicular line is -\frac{1}{m}.

For our case y=\frac{3}{2}x-\frac{1}{2} therefore the slope of the prependicular is the reciprocal of \frac{3}{2} multiplied by -1.

\therefore\:slope=-\frac{2}{3}.

4 0
3 years ago
Express this number in scientific notation.<br> 31 billion
Nadusha1986 [10]

Answer:

3.1 * 10^10

Step-by-step explanation:

4 0
2 years ago
Which inequality has a solution that is the set of all real numbers?
kati45 [8]

Answer:

12<14

x<12

14>12

14>x

Step-by-step explanation:

I dont know if it is correct but I think it is that way try

6 0
2 years ago
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