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lina2011 [118]
3 years ago
11

What is 26-2b>2(3b+4)

Mathematics
1 answer:
Brrunno [24]3 years ago
3 0
26 - 2b > 2(3b + 4)    |use distributive property: a(b + c) = ab + ac

26 - 2b > 6b + 8    |subtract 26 from both sides

-2b > 6b - 18    |subtract 6b from both sides

-8b > -18    |change signs

8b < 18    |divide borh sides by 8

b < 18/8

b < 9/4

b < 2.25
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You are biking to the park. After six minutes 40% of the distance still need to be traveled. How long does it take to bike to th
nikklg [1K]

Answer:

y = (100-10x)\%

It takes <em>10 minutes</em> to the park.

Step-by-step explanation:

Given that:

Time taken = 6 minutes

Distance left to be traveled = 40%

To find:

The equation to represent the distance y, that still needs to be traveled after x minutes.

Solution:

As per given statement, distance traveled in 6 minutes = 60%

We can say that:

Distance traveled each minute = \frac{60\%}{6} = 10%

After 1 minute, distance traveled = 10%

Distance left = 100 - 10 = 90%

After 2 minutes, distance traveled = 20%

Distance left = 100 - 20 = 80%

After x minutes, distance traveled = 10x%

Distance left, y = (100 - 10x)%

Therefore, the equation is:

y = (100-10x)\%

Time taken by the bike to reach to the park can be found by putting y = 0 (i.e. distance left to be traveled = 0)

0 = 100 -10x\\\Rightarrow 10x = 100\\\Rightarrow x = \bold{10\ minutes}

8 0
3 years ago
What is the fifth term in the geometric sequence described by this explicit formula y=40×(-2)^(n-1)​
cupoosta [38]

Answer:

The fifth term is 620

Step-by-step explanation:

y=40×(-2)^(n-1)​

The 5th terms means n=5

y = 40 * (-2) ^ (5-1)

  = 40 * (-2) ^4

  = 40 * (16)

  = 640

5 0
3 years ago
Work out the value of Z+XxY<br>.<br>.<br>.<br>HLEP PLS ​
riadik2000 [5.3K]

Answer:

person is trying to scam named  lotst of them trying to get peoole in this siste caklled cuttly something avoid it please post everywere report do anything u can

Step-by-step explanation:

DON"T DO IT ITS A SCAMER THEY CHANGE THERE NAME EVERYTIME SHOWS BAD THING AND CAN ACSEES UR LOCATION NAD ACCOUNT

cheseedra2020 avatar

POST EVERYWERE STY SAFE!!!

6 0
3 years ago
Read 2 more answers
Imelda needs to convert 440 centimeters per minute to meters per hour.Which conversion factors should she use
Basile [38]
She should use the conversion factor of 100 centimeters to 1 meter and also the conversion factor of 60 minutes to 1 hour. 
7 0
3 years ago
Find the value of x and the value of y
serg [7]

Answer:

Step-by-step explanation:

Use SOH CAH TOA to recall how the trig functions fit on a triangle

SOH: Sin(Ф)= Opp / Hyp

CAH: Cos(Ф)= Adj / Hyp

TOA: Tan(Ф) = Opp / Adj

use Cos for y .... b/c we see that function above has all the pieces we are going to work with

use Sin for x .. for the same reason above

Cos(30) = y / 4\sqrt{2}

4\sqrt{2}Cos(30) = y

4\sqrt{2}\sqrt{3}/2 = y

2\sqrt{6} = y

leave the answer for y like that.. it's in  'exact" form

now for x

Sin(30) = x / 4\sqrt{2}

4\sqrt{2}Sin(30) = x

4\sqrt{2}* 1/2 = x

2\sqrt{2} = x

and leave your answer for x like that as it's in it's exact form.  :)

oh and I see the answer in the list.. do you?  :)

8 0
3 years ago
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