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Rus_ich [418]
3 years ago
11

Which quadratic equation has roots 7 and -2/3

Mathematics
1 answer:
lara31 [8.8K]3 years ago
7 0
X² - 4x - 21 = 0

hope this helps
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.<br> Evaluate ƒ(x) = 3x + 8 for x = 1.<br><br><br> 3<br><br><br> 5<br><br><br> 11<br><br><br> –11
rodikova [14]

Answer:

11

Step-by-step explanation:

Replace the variable xx with −1-1 in the expression.

f(−1)=−3⋅−1+8f(-1)=-3⋅-1+8

Simplify the result.

Tap for fewer steps...

Multiply −3-3 by −1-1.

f(−1)=3+8f(-1)=3+8

Add 33 and 88.

f(−1)=11f(-1)=11

The final answer is 1111.

=11

I want brainless pleased

8 0
3 years ago
A bicycle is traveling at 22 miles per hour. How many feet will it cover in 45 seconds? Round your answer to the nearest tenth o
puteri [66]
  • Answer:

<em>1452 feet</em>

  • Step-by-step explanation:

<em>1 hour = 60min×60sec = 3600 sec</em>

<em>1 miles = 5280 feet</em>

<em>22 miles = 22×5280ft = 116160 ft</em>

<em />

<em>3600sec ................. 116160 ft</em>

<em>45sec ................................ x ft</em>

<em>x = 45×116160/3600</em>

<em>= 5227200/3600</em>

<em>= 1452 feet</em>

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3 years ago
Kai had 15 yards of kite string. He
n200080 [17]

Answer:

he cut 5 strings to pull it out

3 0
2 years ago
1/3(3x - 12) = x - 4
PIT_PIT [208]

Step-by-step explanation:

the formula is too long so the link is below:

https://www.geteasysoloution.com/1/3x+12=x-4

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3 years ago
Insurance that pays for damages to houses or businesses is called _____.
chubhunter [2.5K]
Property/homeowners insurance. Apex confirmed
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3 years ago
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