show all steps for 4.7x+90=5.6x+2.1x

Answers

Answer 1

Answer:

x=30

Step-by-step explanation:

4.7x+90=5.6x+2.1x4.7x+90=7.7xSubtract 4.7 on both sides 3x=90x=30

Related Questions

What is the solution to this equation?
X/-2 = 18
O A. X=-36
OB. X=-9
O c. x = 36
O D. x = 9

Answers

the answer is x = -36

A sample of copper (Cu) contains 69.17% Cu-63. The remaining copper atoms are Cu-65. What is the average atomic mass of copper?​

Answers

The atomic mass is 63.55 amu

if f(x) = x^2, and
g(x) = x-1, then

g(f(x))=x^__+__​

Answers

Answer:

(x^2) + (-1)

Step-by-step explanation:

the equation f(x) BECOMES x in the g(x)

x-1

(x^2) -1

Answer:

g(f(x)) = x^2 + (-1)

Step-by-step explanation:

f(x) = x^2

g(x) = x - 1

Therefore, for g(f(x)), we need to substitute the value of x in f(x) in g(x).

Therefore,

g(x) = (x^2) - 1

      = (x^2) + (-1)

PLEASE MARK MY ANSWER AS BRAINLIEST!!!!!!

Solve the equation vf=vi+at for a

Answers

vf = vi + at
-at = vi - vf
a = (vi - vf) / -t


3/10 Divided by 3.7

Answers

Answer: 3/37

Step-by-step explanation:

Answer:

0.09375

Step-by-step explanation:

0.5444 as a fraction

Answers

1361/2500 or 54.44%.

Answer:

49/90

Step-by-step explanation:

x=0.5444....

10x=5.4444....

1x=0.5444....

9x=4.9

x=4.9/9

x=49/90

hope it might help you

which number is between pi ans the square root of 14 ​

Answers

Answer:

3.5

Step-by-step explanation:

pi = 3.14159...

sqrt(14) = 3.74165...

The choices are: 1.5, 2.5, 3.5, 4.5

Of the four choices, the only one between 3.14... and 3.74... is 3.5.

Answer: 3.5

GEOMETRY: need some help on these equations, i'm giving a lot of points for this.

Answers

Answer:

1) ML=93

2) GE=58

Step-by-step explanation:

1)

We want to find ML.

So, we need to find x first.

Note that the entire segment, NK, is the addition of the segments NM, ML, and LK. So:

[tex]NM+ML+LK=NK[/tex]

And we know their equations. So, substitute 110+4x for NM, x+103 for ML, 70 for LK, and x+243 for NK. Thus:

[tex](110+4x)+(x+103)+(70)=x+243[/tex]

On the left, combine like terms:

[tex](4x+x)+(110+103+70)=x+243[/tex]

Add:

[tex]5x+283=x+243[/tex]

Subtract 283 from both sides:

[tex]5x=x-40[/tex]

Subtract x from both sides:

[tex]4x=-40[/tex]

Divide both sides by 4:

[tex]x=-10[/tex]

So, the value of x is -10.

Substitute this into ML to find it. So:

[tex]ML=(-10)+103[/tex]

Add:

[tex]ML=93[/tex]

And we're done!

2)

Here, we want to find GE. This means solving for x again.

Note that HF plus FE equates to the entire segment.

HG plus GE also equates to the entire segment.

Thus:

[tex]HF+FE=HG+GE[/tex]

Substitute 3x-129 for HF and 4 for FE.

Substitute 13x-993 for HG and 3x-185 for GE. Thus:

[tex](3x-129)+(4)=(13x-993)+(3x-185)[/tex]

Combine like terms on both sides:

[tex](3x)+(-129+4)=(13x+3x)+(-993-185)[/tex]

Add or subtract:

[tex]3x-125=16x-1178[/tex]

Add 1178 to both sides:

[tex]3x+1053=16x[/tex]

Subtract 3x from both sides:

[tex]1053=13x[/tex]

Divide both sides by 13:

[tex]x=81[/tex]

So, the value of x is 81.

To find out GE, GE is the 3x-185. So:

[tex]GE=3(81)-185[/tex]

Multiply:

[tex]GE=243-185[/tex]

Subtract:

[tex]GE=58[/tex]

And we're finished!

El productor del números es 28. Sabiendo que el primer número es 3 unidades menor que el segundo, calcula los dos número

Answers

Answer:

Tienes 3 números, "x", "y", "z"

=> El primero es 20 unidades menor que el segundo:

El primero es "x", y el segundo es "y", entonces:

x = y - 20

=> El tercero es igual a la suma de los dos primeros:

El tercero es "z", entonces:

z = x + y

z = (y - 20) + y

z =  2y - 20

=> Entre los tres suman 120

x + y + z = 120

y - 20 + y + 2y - 20 = 120

4y - 40 = 120

4y = 160

y = 40

Si y = 40, entonces:

x = y - 20

x = 20

Además, z = 2y - 20

z= 60

RPTA:

x=20

y=40

z=60

Step-by-step explanation:

please help i’m very confused on this one

Answers

Answer:

  34.224

Step-by-step explanation:

C(2.76, 310) means you want to evaluate the expression for g=2.76 and d=310. Put those numbers where the variables are and do the arithmetic.

  [tex]C(2.76,310)=\dfrac{2.76\cdot 310}{25}=\dfrac{855.6}{25}=\boxed{34.224}[/tex]

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Item 15

A floor rug is rectangular in shape. The width of the rug is 3 ft less than its length. The perimeter of the rug is 42 ft.

What are the rug’s dimensions?

Enter your answer by filling in the boxes.

Answers

Answer:

its not showing ur question

Step-by-step explanation:

The midpoint of AB is M(-3,-3). If the coordinates of A are (-8,-2), what are the coordinates of B? Please explain

Answers

Step-by-step explanation:

Hey there!!!

Here,

The midpoint of AB is M(-3,-3) and coordinates of A is (-8,-2).

Now,

Using midpoint formulae,

[tex](x,y) =( \frac{x1 + x2}{2} ,\frac{y1 + y2}{2} )[/tex]

Put all values.

[tex]( - 3,- 3) = ( \frac{ - 8 + x}{2} , \frac{ - 2 + y}{2} )[/tex]

As they are equal, equating with their corresponding elements we get,

[tex] - 3 = \frac{ - 8 + x}{2} [/tex]

Simplify them.

[tex] - 6 = - 8 + x[/tex]

[tex]x = - 6 + 8[/tex]

Therefore, x= 2

Now,

[tex] - 3 = \frac{ - 2 + y}{2} [/tex]

Simplify them.

[tex] - 6 = - 2 + y[/tex]

[tex]y = - 6 + 2[/tex]

Therefore, y = -4.

Therefore, the coordinates of B are (2,-4).

Hope it helps...

Solve by elimination:
4x+9y=28
-4x-y=-28

Answers

Step-by-step explanation:

4x+9y=28

-4x-y=-28

8y=0

divide both side by 8

y=0

solve for X in equation 1

4(X)-9(0)=28

4x-0=28

4x =28

divide both side by 4

4x/4=28/4

X= 7

y=0,x=7

Matt is four years younger than twice his cousin Andy’s age. The sum of their ages is greater than 35. What is the youngest age that Andy can be?

Answers

Answer: 13

Step-by-step explanation:

let m = Matt's age

let a = Andy's

:

Write an equation for each statement

:

Matt is four years younger than twice his cousin Andy’s age.

m = 2a - 4

The sum of their ages is greater than 35.

m + a > 35

What is the youngest age that Andy can be?

replace m with (2a-4) from the 1st statement

2a - 4 + a > 35

3a > 35 + 4

a > 39/3

a > 13

least integer has to be a = 14

:

:

Check, find m

m = 2(14) - 4

m = 24

24 + 14 = 38 greater than 35

If a = 13

m = 2(13) - 4

m = 22

22 + 13 = 35 which is not greater than 35

Convert 42,670,000 into an estimated power of 10

Answers

Answer:

4 x 10^7

Step-by-step explanation:

equals 40,000,000

Simplify : -9c - 15 + 7c + 10 + 2c

Answers

Answer:

-5

Step-by-step explanation:

-9c - 15 + 7c + 10 + 2c

-9c + 7c + 2c -15 + 10

-9c + 9c - 5

-5

Answer:

5

Step-by-step explanation:

-9c - 15 + 7c + 10 +2c

-9c + 9c + -15 + 10

5

Reduce to the simplest form. -9/6 + (-3/5)

Answers

Answer:

[tex]-\frac{21}{10}[/tex] or [tex]-2.1[/tex] (they're the same)

Step-by-step explanation:

Simplify: [tex]-\frac{9}{6} + (-\frac{3}{5}) = -\frac{9}{6} - \frac{3}{5}[/tex]  Find a common denominator. The LCM of 6 and 5 is 30, so multiply the numerator and the denominator by the same thing: 6 × 5 = 30, -9 × 5 = -45, 5 × 6 = 30, 3 × 6 = 18Write the new fractions: [tex]-\frac{45}{30} - \frac{18}{30}[/tex]  Subtract: -45/30 - 18/30 = [tex]-\frac{63}{30} = -\frac{21}{10}[/tex]

I hope this helps!

Answer: -21/10

Step-by-step explanation: khan

(+2) – (-6) what's the answer to this please write it out​

Answers

Answer:

8

Step-by-step explanation:

+2-(-6)=2+6

the two negatives cancel each other out

2+6=8

Answer:

8

Step-by-step explanation:

2- -6

change subtraction sign to addition

2+-6

change negative sign to positive

2+6

solve

8

Which function is the inverse of f(x) = 2x+3?

Answers

Answer:

f^-1(x)=x-3/2

Step-by-step explanation:

we have f(x)=2x+3

let

y=f(x)

y=2x+3

Exchanges the variables x for y and y for x

x=2y+3

isolate the variable y

2y=x-3

y=x-3/2

let

f^-1(x)=y

f^-1(x)=x-3/2

Answer:

Step-by-step explanation:

The answer is B on Edgenuity

f^-1 (x) = 1/2x - 3/2

You are saving to buy a new phone you have $150 in your bank account and can save $55 each week assuming you don’t spend any money write an expression to represent the amount of money you will have in your bank account after W weeks

Answers

Answer:

150+55w

Step-by-step explanation:

150+55w

150 never changes

(55)(w), 55 changes depending on number of weeks

Answer:

The expression is: 150 + 55W

Step-by-step explanation:

amount already in your a/c = $150

Amount saved per week = $55

Number of weeks to save for is W

Amount saved in W weeks is $55W

Total amount saved in W weeks is $150 + $55W

Ignoring the symbols, the expression is 150+55W

Solve for x:
X- 6 = -3x + 22

Answers

Answer:

Your answer is x=7

Step-by-step explanation:

[tex]x - 6 = -3x + 22[/tex] add 6 to both sides

[tex]x - 6(+6) = -3x + 22(+6)[/tex] cross out -6(+6) and add 22+6=28

[tex]x = -3x + 28[/tex] add 3x on both sides

[tex]x (+3x) = (+3x)-3x + 28[/tex]  x+3x=4x and cross out (+3x)-3x

[tex]4x = 28[/tex] divide 4 on both sides

[tex]\frac{4x}{4} = \frac{28}{4}[/tex] cross out 4 leave x and divide 28 and 4 =7

[tex]x=7[/tex]

Answer:

x=7

Step-by-step explanation:

what is the answer to 6(2x+3)-6

Answers

Answer:

12x+12

Step-by-step explanation:

first you distribute  the 6 into the parenthesis.

so it becomes:

12x+18-6

Then you solve the common terms:

12x+12

& thats your answer!

Answer:

12x +12

Step-by-step explanation:

6(2x +3) - 6

12x +18 - 6

12x +12

simpfly the expression -8x-4=-10

Answers

Answer:

x = 3/4 would be the correct answer.

Step-by-step explanation:

Add four to both sides

Divide both sides by -8

Simplify 6/8 to 3/4

-8x=-10+4
-8x=6

x=-8
6

x=6 =3
8 4


X=3
4

What number must be subtracted from negative 5 for the difference to be negative 2

Answers

hope it helps you .

this is the right answer.

A grocery store sells a bag of 3 oranges for $2.79. How much would it cost for 4 oranges?

Answers

Answer:

$3.72

Step-by-step explanation:

$2.79 divided by 3 equal 0.93.

0.93 times 4 equals 3.72.

Answer:

$3.72

Step-by-step explanation:

Step 1:

$2.79 ÷ 3 = 0.93

Step 2:

0.93 × 4

Answer:

$3.72

Hope This Helps :)

Identify all the Geometric Sequence(s) from the options below-
1, 1, 2, 3, 5, 8...
1, 2, 4, 8, 16...
4, 16, 36, 64...
81, 27, 9, 3...
-1,3,-9, 27...
1, 2, 6, 24..

Answers

1.) Not a sequence
2.) 2^n-1
3.) Not a sequence
4.) 81/3^n-1
5.) -(-3)^n-1
6.) Not a sequence

Joni has a box that has a mass of 67 dekagrams. She converts this to centigrams. Her work is shown below.

67 dekagrams over 1,000 = 0.067 centigrams

Answers

Answer:Joni should have multiplied by 1,000

Step-by-step explanation:

vickiesmith Beginner       1 answer

Answer:Joni should have multiplied by 1,000

- Naya had 48 tickets for games at the school carnival. She used 1/3 of her tickets to play the
spin-the-wheel game. She used 1/2of the remaining tickets to play a balloon game, where
she won 8 more tickets. How many tickets did Naya have after playing these two games?

Answers

Answer:

16

Step-by-step explanation:

48/3=16

16/2=8

8+8=16

what is 1,016 rounded to the nearest thousand

Answers

Answer:

Step-by-step explanation:

1,000

Its the closest from 1000 to 2000

A equivalent ratio of 3:7 is?
3:9
6:10
9:12​

Answers

Answer:

it is none of these options

Step-by-step explanation:

after multiplying it by 1,2 or 3 none of the option comes up

..

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