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alexandr402 [8]
2 years ago
10

Help I've been working on this for 2 hours simplify all should contain only positive exponents

Mathematics
1 answer:
Doss [256]2 years ago
6 0
The answers to the questions

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4.5(8-x) + 36=102-2.5(3x+24)<br> what’s x?
maxonik [38]
Let's solve your equation step-by-step.<span><span><span>4.5<span>(8−x)</span></span>+36</span>=<span>102−<span>2.5<span>(<span>3x+24</span>)</span></span></span></span>Step 1: Simplify both sides of the equation.<span><span><span>4.5<span>(8−x)</span></span>+36</span>=<span>102−<span>2.5<span>(<span>3x+24</span>)</span></span></span></span>Simplify: (Show steps)<span><span><span>−4.5x</span>+72</span>=<span><span>−7.5x</span>+42</span></span>Step 2: Add 7.5x to both sides.<span><span><span><span>−4.5x</span>+72</span>+7.5x</span>=<span><span><span>−7.5x</span>+42</span>+7.5x</span></span><span><span>3x+72</span>=42</span>Step 3: Subtract 72 from both sides.<span><span><span>3x+72</span>−72</span>=42−72</span><span>3x=−30</span>Step 4: Divide both sides by 3.<span><span>3x3</span>=<span>−303</span></span><span>x=<span>−<span>10</span></span></span>
3 0
3 years ago
Read 2 more answers
Which of the following numbers is closest to 7?
Sphinxa [80]

Answer:

B. √50

Step-by-step explanation:

7^{2} is 49 so √49 is 7

So,

since the <u>closest number to 49 is 50</u>, that is the answer.

7 0
3 years ago
WILL GIVE BRAINLIEST
kifflom [539]
Speed boat departed 1.75 hrs after steam boat1.8 hrs after speed boat departure, steam boat has sailed for a total: 1.8+1.75 = 3.55 hrssteam boat's speed is 36.8 km/hr, so it has traveled: 3.55*36.8 = 130.64 km
speed boat is 86.9 km behind steam boat. so it is 130.64-86.9 = 43.74 km from portspeed boat's speed = 43.74/1.8 = 24.3 km/hr

8 0
3 years ago
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Which is a factor of 20 but not a multiple of 2
Delicious77 [7]
20|2 \\ 10|2 \\ 5 \ |5 \\ 1 \\\\\boxed{ 5} \  it's \ a \ multiple \ of \ 20 , \ but \ it's \ not \ a \ multiple \ of \ 2
7 0
2 years ago
Read 2 more answers
__mm x 9mm x 12mm=756mm
Anna [14]
7 mm x 9mm x 12mm = 756mm


To get this answer you have to multiply 9 and 12 which would be 108. Then you have to divide 108 on both sides to get mm by itself. 756 divided by 108 is 7 which is the answer!
3 0
2 years ago
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