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Mamont248 [21]
3 years ago
7

Solve the equation. 5x = 2x^2 +1

Mathematics
2 answers:
Bogdan [553]3 years ago
6 0

Answer:

x= 5/4 + −1/4√17 or x = 5/4 + 1/4√17

Step-by-step explanation:

sesenic [268]3 years ago
4 0

Answer:

Move all terms to the left side and set equal to zero. Then set each factor equal to zero.

Exact Form:

x

=

5

+

√

17

4

,

5

−

√

17

4

 

Decimal Form:

x

=

2.28077640

…

,

0.21922359

…

Step-by-step explanation:

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What is the discriminating for 2x^2-7x+5<br> A.49<br> B.-9<br> C.9<br> D.40
otez555 [7]
Your answer would be C because you have to do B^2- 4(A)(B) 
the then u have to plug in and you will get C
7 0
3 years ago
What is the area of a triangle that has a height of 8 feet and a base length of 5 feet?
Lena [83]

Answer:

20 ft²

Step-by-step explanation:

the area (A) of a triangle is calculated using the formula

A = \frac{1}{2} bh ( b is the base and h the height )

here b = 5 and h = 8

A = \frac{1}{2} × 5 × 8 = 20 ft²


7 0
3 years ago
Read 2 more answers
PLSS HELPPP!!! IN ORDER TO RECIEVE A BRAINLY, ANSWER QUICKLY AND CORRECTLY, AND MOST OF ALL, GIVE AN EXPLANATION!!! TYSM IN ADVA
Natalija [7]

Answer:

A. {−3.5, −2, 1, 2.5}

Step-by-step explanation:

Remember that the range is the possible values for Y in any given function, so in this case, we are given the Y values and we have to solve the function for x:

y=9+6x

6x=y-9

So we just insert the values, the first one being -12.

So since from the options only A has -3.5 as an option that's the correct answer.

hoped this helped! <3

7 0
3 years ago
Read 2 more answers
What’s the answer ??? ( someone please help )
Fofino [41]
It would probably be B because it said between -30 and 130
3 0
3 years ago
Please help with solving the blank answers
KATRIN_1 [288]
Distribute The 4 In Problem Number 2. (4*2.5X)+(4*1.25) = 77
Simplify. 10X+5 = 77. Now, Subtract 5 From Both Sides. 
10X = 77-5
10X = 72.
Now, Divide.
X = 72/10. 
X = 7.2.
For 13, We Have This:
3/5p+2/3 = 8.
Now, Subtract 2/3. 
3/5p = 7 1/3
Now, Divide. 
7 1/3 Needs To Be Converted To An Improper Fraction. 
It Becomes 22/3.
22    5    110
--- * --- = ----
 3     3      9
Now, Make Into A Proper Fraction.
It Becomes 12 And 2/9. 

6 0
3 years ago
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