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ololo11 [35]
1 year ago
12

How do you solve 5(r+9)−2(1−r)=1 need quickly

Mathematics
1 answer:
RUDIKE [14]1 year ago
5 0

Answer:

r=   -6

Step-by-step explanation:

expand and get

5r+45-2+2r=1

7r+43=1

7r=1-43

7r=-42

r=-6

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Triangle LMN with vertices L(-9,-1) M(-3,-4) and N(-5,-8)
pishuonlain [190]

Answer:

Part A: L(-1,9) M(-4,3) N (-8,5)

Step-by-step explanation:

4 0
2 years ago
A jar contains n nickels and d dimes. There are 24 coins in the jar, and the total value of the coins is $1.90. How many nickels
oee [108]

Answer:14 dimes 10 nickels

Step-by-step explanation:

24 coins total

14 X.10 = 1.40

10 x .05 = .50

1.40 + .50 = 1.90

3 0
3 years ago
See question in image and show workings​<br><br>Note : 1 nautical mile = 1.86km
ycow [4]

Answer:

a)

AB is on the latitude 30°N.

<u>Find AB:</u>

  • AB = 2*3.142*6400*cos 30°*(32+35)/360 = 6482.15 km

BC is along longitude 35°W

<u>Find BC:</u>

  • BC = 2*3.142*6400*(30 + 20)/360 = 5585.77 km

<u>Total distance traveled:</u>

  • 6482.15 + 5585.77 = 12067.92 km

<u>Convert the distance to nautical miles:</u>

12067.92/1.86 = 6488.13 nautical miles

b)

<u>Find the average speed:</u>

  • 6488.13/22 = 294.92 nautical miles / hour

<u>Note</u>. <em>This is unrealistically high speed for a ship, this must be a plane or the time given wrong.</em>

3 0
2 years ago
3x^5+6x^3<br><br> PRIME<br> b<br> 3x^4(3x + 2)<br> 3(x^5 + x^3)<br> d<br> 3x^3(x^2 + 2x)
Gelneren [198K]

Answer:

Im guessing 33(2+2)

8 0
2 years ago
What is the solution for -5(2x+1)=25
Irina18 [472]

Answer:

-3

Step-by-step explanation:

-5(2x+1)=25

-10x-5=25

-10x=25+5

-10x=30

x=-3

8 0
2 years ago
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