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svetoff [14.1K]
2 years ago
14

Solve for the positive value of x: 2x² = 50

Mathematics
2 answers:
lara [203]2 years ago
8 0

Answer:

x=5

Step-by-step explanation:

Oksana_A [137]2 years ago
4 0
I believe that it is x=5
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How many feet does a car traveling at 57 mph cover in one hour? In one minute? In one second?
Shkiper50 [21]

Hello!

We have to find how fast the car goes a minute

To find this we can do 57/60 since the car goes 57 miles an hour and there are 60 minutes in an hour

This gives us 0.95 miles a minutes

5 0
3 years ago
Someone help me please
Zinaida [17]

Step 1. Isolate the variable x:

3x-11 > 7x+9

-4x > 20

x > -5

Step 2. Use the simplified inequality to graph:

  1. Select an OPEN point on x = -5
  2. Select a ray extending from -5 to positive infinity (GREATER than -5)

I hope this helps!

5 0
2 years ago
Please help! I will mark brainliest! No random answers please
enot [183]

Answer:

yes

Step-by-step explanation:

6 0
3 years ago
Celeste wants to have her hair cut and permed and also go to lunch. She knows she will need $95. The perm costs twice as much as
garri49 [273]
So perm cost 2 times as hair cut
perm=2 times haircut
she also needs 5 dollars for lunch

so therefor if 95 is enough to cover it we do
cost=lunch+perm+haircut
cost=5+perm+haircut
subsitute
95=5+2 times haircut+1 time haircut
add like terms
95=5 +3 times haircut
subtract 5 from both sides
90=3 times haircut
diide by 3
30=haircut
subsitute
perm=2 times haircut=2 times 30=60

perm=$60
8 0
3 years ago
ASAP!!! There are three marbles in a bag. One is red and two are black. What is the probability of picking a red marble first, p
DaniilM [7]

Answer:

The probability of picking a red marble first then replacing it and getting a black marble is 2/9. (The last option.)

Step-by-step explanation:

Hey there!

The probability of first getting a red marble is 1/3 since we have 1 red marble out of 2 + 1 = 3 total.

We put the marble back. The probability of then choosing a black marble is 2/3, since we have 2 black marbles out of 3 total.

So we get 1/3 * 2/3 = 2/9

The probability of picking a red marble first then replacing it and getting a black marble is 2/9. (The last option.)

Hope this helps, please mark brainliest if possible. Have a nice day. :)

8 0
3 years ago
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