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miv72 [106K]
3 years ago
5

Question:

Mathematics
1 answer:
RUDIKE [14]3 years ago
6 0

Answer:

(c) y = 2x - 5

Step-by-step explanation:

y=2x+y=5

subtract 2x from both sides of the equation

the answer is C

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Help with math thanks soo much will give brainlyist!!!!!
Savatey [412]

Answer:

b=3

Step-by-step explanation:

21 divded by 7=3 since area is Lenght times Width

8 0
3 years ago
Whats The sum of twice a number x and thrice a number y minus the square of z as an expression
SpyIntel [72]

Answer:

2x+3y-z²

Step-by-step explanation:

twice a number =2x

thrice a number =3x

minus z²

HOPE THIS HELPS!!!

8 0
3 years ago
Read 2 more answers
Solve the quadratic equation<br> HINT: Answers will be a decimals<br> 2x2 - 12x+8 = 3
Oduvanchick [21]

Answer:

x= 5.55 and 0.45

Step-by-step explanation:

Quadratic Equation = (-b±√b²-4(a)(c))÷2(a)

Get equation = to 0 by subtracting the 3 on the right side of the = sign

2x² - 12x + 5

Identify the variables

a=2

b=-12

c=5

Put them into the quadratic equation

(-(-12)± √-12² - 4(2)(5))÷2(2)

Simplify

(12 ±√144 - 40)÷4

(12±√104)÷4

Now split into 2 equations (one with addition one with subtraction) because of the ± then continue simplifying

(12 - √104)÷4                  (12 + √104)÷4

(12 - 10.198039)/4          (12 + 10.198039)/4

5.54950975                  0.45049025

Round

5.55                               0.45

6 0
3 years ago
Vanessa uses the expressions (3x2 + 5x + 10) and (x2 – 3x – 1) to represent the length and width of her patio. Which expression
Brut [27]

The area of rectangle with length l and width w is

A=l\cdot w.

If the length of rectangle is expressed as l=3x^2 + 5x + 10 and the width of rectangle is expressed as w=x^2-3x-1, then the area of rectangle is

A=(3x^2 + 5x + 10)(x^2-3x-1)=3x^4-4x^3-8x^2-35x-10.

8 0
4 years ago
Read 2 more answers
Which function represents a reflection of f(x) = 2(0.35)x over the y-axis?
Artist 52 [7]
Hello there,
The answer it's <span> h(x)=2(.35)-x aka c for e2020

I hope this helped, and if you have any more question please feel free to ask me.
Have a nice day!
</span>
7 0
3 years ago
Read 2 more answers
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