What is the value of x when 2x+3=3x-4

Answers

Answer 1

Answer: 2x+3=3x-4
try to isolate the x term
you must do the same thing to both sides or else it won't be equal anymore

2x+3=3x-4
add 4 to both sides
2x+3+4=3x+4-4
2x+7=3x+0
subtract 2x from both sides
2x-2x+7=3x-2x
0+7=x
7=x

the answer is x=7

Answer 2

Answer: $2x+3=3x-4 \ \ \ |-3x \ \wedge \ -3 \n \n -x=-7 \n \n x=7$

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Plz help me with my hw

What is the product of (3a + 2)(4a^2 – 2a + 9)

Answers

Answer:

$\large\boxed{(3a+2)(4a^2-2a+9)=12a^3+2a^2+23a+18}$

Step-by-step explanation:

$(3a+2)(4a^2-2a+9)\qquad\text{use FOIL:}\ (a+b)(c+d)=ac+ad+bc+bd\n\n=(3a)(4a^2)+(3a)(-2a)+(3a)(9)+(2)(4a^2)+(2)(-2a)+(2)(9)\n\n=12a^3-6a^2+27a+8a^2-4a+18\qquad\text{combine like terms}\n\n=12a^3+(-6a^2+8a^2)+(27a-4a)+18\n\n=12a^3+2a^2+23a+18$

Which coordnates represent a point on the graph of 3y = 5x - 13?A. (0,-13)
B. (3,1)
C. (7,7)
D. (-6,-1)

Answers

(x,y)
sub given points and see if true

A, (0,-13)
x=0
y=-13
3(-13)=5(0)-13
-39=0-13
-39=-13
false (other user was just guessing)

B. (3,1)
x=3,
y=1
3(1)=5(3)-13
3=15-13
3=2
false

C. (7,7)
x=7
y=7
3(7)=5(7)-13
21=35-13
21=22
false

D. (-6,-1)
3(-1)=5(-6)-13
-3=-30-13
-3=-43
false

answer is none of them

If y = 2x2 – 4x, what is the value of y when x equals 5. A.10
B.30
C.80
D.480

need the answer asap

Answers

Answer:

Step-by-step explanation:

Putting x=5 in the above eq

y=2(5)^2-4(5)

y=2(25)-20

y=50-20

y=30

Answer:i literally have no clue humy

Step-by-step explanation:

this is bull i got to get the f out of here

Which is bigger 6 pints or 60 fluid ounces

Answers

6 pints is bigger than 60 fluid ounces
It is more than because 6 times 16 = 96. 96fl. oz.> 60fl. oz.

I think it is 60 fluid ounces because 60 is bigger than 6 and pints are smaller than fluid ounces

The amount of eye makeup Leah wears is 5/8 of the amount of eye makeup Tanya wears. What is the ratio of the amount of eye makeup Leah wears to the amount of eye makeup Tanya wears?

Answers

Leah wears less makeup than Tanya which is why the ratio of the makeup she wears to Tanya is 0.625 : 1.

In finding the ratio of the amount of eye makeup Leah wears to the one that Tanya wears, you have to first assume that Tanya wears 1 unit of makeup.

Leah wears 5/8 of this amount which means that Leah wears 5/8 makeup.

The ratio will be:

Amount of makeup Leah wears : Amount Tanya wears

5/8 : 1

0.625 : 1

In conclusion, the ratio of makeup won by Leah to that won by Tanya is 0.625 : 1.

Find out more at brainly.com/question/11474238.

If Tanya wore 1 tub of makeup, Leah would wear 5/8 of a tub of makeup, so:

LEAH vs TANYA:

5/8 : 1

multiply both sides by 8 to get rid of fractions:

5 : 8

Given a cylinder with a surface area of 2532 cm (squared) and radius of 9 cm, calculate the height of this cylinder to the nearest tenth.A. 36 cm
B. 282.6 cm
C. 45
D. 10