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Sladkaya [172]
3 years ago
6

The x value in x squared -5x + 4= 0

Mathematics
1 answer:
zheka24 [161]3 years ago
6 0

Answer:

x=0.8

Step-by-step explanation:

-5x + 4= 0

       -4    -4

-5x=-4

÷5

-x=-0.8

x=0.8

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At a sale this week, a desk is being sold for $336. This is a 36% discount from the original price.
8090 [49]

Answer:

$525

Step-by-step explanation:

We can find the original price by using the formula x - 0.36x = 336, where x is the original price, 0.36 is the discount percentage (converted to decimal form), and 336 is the total amount paid after the discount is applied:

x-0.36x=336\\0.64x=336\\x=525

To check and further understand why the formula works, we can simply apply the discount to the original price and subtract the number from the original price:

525 * 0.36 = 189

525 - 189 = 336

Modeling the first formula gives us:

525 - (0.36 * 525) = 336

525 - 189 = 336

6 0
2 years ago
Quadrilateral CAMP below is a rhombus. The length of PQ is (x + 2) units, and the length of QA is
Phoenix [80]

Q cuts the diagonal PA into 2 equal halves, since the diagonals of rhombus meet at right angles.

<u>Step-by-step explanation:</u>

As given by the statement in the problem,

Q may be the middle point, which cut the diagonal PA into 2 equal halves.

In rhombus, diagonals meet at right angles.

which means that PQ = QA

x+2 = 3x - 14

Grouping the terms, we will get,

3x -x = 14+ 2

2x = 16

dividing by 2 on both sides, we will get,

x = 16/2 = 8

8+2 = 3(8) - 14 = 10 = PQ or QA

3 0
3 years ago
Julio has $3.30 left from his allowance. He
creativ13 [48]

Answer:

6 pencils

Step-by-step explanation:

divide $3.30 by $0.55 and you get 6.

7 0
3 years ago
Read 2 more answers
One leg of a right triangle is 10 units, and its hypotenuse is 12 units. What is the length of the other leg?
denis-greek [22]

Answer:

about 7 units

Step-by-step explanation:

1010^{2} + b^{2} = 12^{2} \\100+b^{2} = 144 \\144- 100= 44\\=\sqrt{44} \\= 6.6\\round \\=7

3 0
3 years ago
How do you solve this please help
coldgirl [10]

Answer:

thanks

Step-by-step explanation:

I have been patient trying to get a job

6 0
3 years ago
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