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RSB [31]
2 years ago
9

HELP DUE IN 10 MINS!!!

Mathematics
1 answer:
Nikolay [14]2 years ago
8 0
4? i’m not sure on this one
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12+22x=-46x I don't know the answer
Arlecino [84]

The answer is

x =<span>‌ <span><span>−3/</span>17</span></span>

7 0
3 years ago
Read 2 more answers
What is the value of the expression 2 to the power of 2 + 8 to the power of 2 ÷ 2 to the power of 2?
Naily [24]
That's (4+64)/ 4. 68/4= 17
4 0
3 years ago
Dunya randomly chooses a number from 1 to 10. What is the probability she
kumpel [21]

Answer: 1/2

Step-by-step explanation:

The numbers that are less than 6 are 1, 2, 3, 4, and 5. Thus simply means that there are 5 numbers that are less than 6.

The probability that she chooses a number less than 6 will then be:

= 5/10

= 1/2

7 0
3 years ago
Find the solution for y=2x-1 y=3x+2
ziro4ka [17]
ANSWER: (-3,-7)
Set them equal to each other so, 2x-1=3x+2 to find x. You should get x= -3


Then you plug in -3 for x to find Y for either y=2x-1 or y=3x+2. I’m picking y=3x+2 so when you plug in -3 to x it will be y=3(-3)+2 = -7 . So therefore y=-7




6 0
3 years ago
Solve the inequality 4t^2 ≤ 9t-2 please show steps and interval notation. thank you!​
Misha Larkins [42]

Answer:

[0.25, 2]

Step-by-step explanation:

We have

4t² ≤ 9t-2

subtract 9t-2 from both sides to make this a quadratic

4t²-9t+2 ≤ 0

To solve this, we can solve for 4t²-9t+2=0 and do some guess and check to find which values result in the function being less than 0.

4t²-9t+2=0

We can see that -8 and -1 add up to -9, the coefficient of t, and 4 (the coefficient of t²) and 2 multiply to 8, which is also equal to -8 * -1. Therefore, we can write this as

4t²-8t-t+2=0

4t(t-2)-1(t-2)=0

(4t-1)(t-2)=0

Our zeros are thus t=2 and t = 1/4. Using these zeros, we can set up three zones: t < 1/4, 1/4<t<2, and t>2. We can take one random value from each of these zones and see if it fits the criteria of

4t²-9t+2 ≤ 0

For t<1/4, we can plug in 0. 4(0)²-9(0) + 2 = 2 >0 , so this is not correct

For 1/4<t<2, we can plug 1 in. 4(1)²-9(1) +2 = -3 <0, so this is correct

For t > 2, we can plug 5 in. 4(5)²-9(5) + 2 = 57 > 0, so this is not correct.

Therefore, for 4t^2 ≤ 9t-2 , which can also be written as 4t²-9t+2 ≤ 0, when t is between 1/4 and 2, the inequality is correct. Furthermore, as the sides are equal when t= 1/4 and t=2, this can be written as [0.25, 2]

8 0
3 years ago
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