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Soloha48 [4]
3 years ago
10

Rewrite the equation 4x + 5x2 = 8x – 7 in standard form and

Mathematics
1 answer:
Makovka662 [10]3 years ago
4 0

Answer:

The correct option is a=5, b = -4, c=7 ....

Step-by-step explanation:

The standard form is ax²+bx+c=0

where a, b, and c being constants, or numerical coefficients, and x is an unknown variable.

The given expression is:

4x + 5x2 = 8x – 7

To make it a standard equation we will move all the values to the left hand side and 0 will be left at the right hand side.

4x+5x²-8x+7=0

Now solve the like terms and arrange the equation according to the standard form:

ax²+bx+c=0

5x² - 4x +7 =0

Here a = 5

b = -4

c= 7

Thus the correct option is a=5, b = -4, c=7 ....

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All help is much appreciated please and thank you
scoundrel [369]
Anddd Similar traingles for one more time.

Here,
RQ/RP = RS/RT = QS/PT = 1/2


Using the values of QS and PT will give,

\frac{y}{y + 46}  =  \frac{1}{2} \\  \\  2y =y + 46 \\  \\  y = 46


Therefore y= 46 units.
6 0
3 years ago
Help! Please! You can just give answers if want to make It faster.
sergiy2304 [10]

Answer:

X' = (-3 , -5)

Y' = (-1, -1)

Z' = (4, -8)

General rule: (x,y) = (y, -x)

I am 1 brainly away from the next rank, your help would be appreciated

8 0
3 years ago
Add 4x²y,-2xy²,-5xy²,3x²y plz explain​
Vinil7 [7]
4x^2 - 2xy^2
5xy^2 +
3x^2y
_____________
12x^5y^4-2xy^2

This is so because 4+5+3 is 12, then using laws of indices to add your x and y you get x^5 and y^4

To simplify your answer to the lowest you have it in the form of
3x^2y^2(4x^2y - 2xy^2)

If you multiply this as well you get the same answer I got with the addition
3 0
3 years ago
What is the value of...<br> 4x - x + 5, when x = 3<br> ???
jasenka [17]

Answer:

The value of 4x-x + 5 when x + 3 is 14

Step-by-step explanation:

4(3)= 12 - 3= 9 + 5= 14

7 0
2 years ago
Read 2 more answers
What is -7 plus 7 equal too
nikklg [1K]

Answer:

The answer is 0

Step-by-step explanation:

Have a nice day

8 0
3 years ago
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