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gregori [183]
2 years ago
13

Solve the equation 7x - 12 = 23 What is the answer

Mathematics
2 answers:
siniylev [52]2 years ago
8 0
The answer is 5 I have shown my work in the picture

adell [148]2 years ago
4 0
7x-12=23
+12 +12

7x = 35
————
7 7

X= 5
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Please.help.my.sorry.self.answer.this.question
Zanzabum

Answer:

7.8

Step-by-step explanation:

1. you add all the numbers together

2. Divide by 5

3. Then divide answer by 10

4. You get your final answer

4 0
2 years ago
2. Four less than six times a number is 32. Write and solve an equation.
zhenek [66]

Answer:

6x - 4 = 32. The variable (times a number) is equal to 6.

Step-by-step explanation:

So this equation is basically asking you to formulate an equation using only the words given. For this equation, let's use a variable in place of the part where it says "times a number." When a question says that phrase, that means that they are telling you to use a variable in place of a mystery number. A variable is a letter in place of a mystery number. Knowing this, let's now solve the equation. We will use the variable x in place of our mystery number.

Four less than 6 times a number: 6x - 4 _ __.

Now we can add the equal sign and the 32: 6x - 4 = 32.

We can now solve. Add 4 to both sides of the equation to cancel out the -4:

6x - 4 = 32

    <u>+4   + 4</u>

6x  =    36

Now we divide 6 into both sides of the equation to single out the x.

<u>6x = 36</u>

6      6

36/6 = 6, so:

x = 6

I hope that this helps.

8 0
2 years ago
Would someone please help me?!
ella [17]
So
bowl is a half sphere
cylinder is a cylninder
cone is cone

bowl:
area of circle=4/3 pi times r^3
half bowl=4/3 times 1/2 times pi times r^3=2/3pi r^3

cylinder=height times pi times radius^2
this cylinder=r times pi times r^2=pi times r^3


cone=1/3 times height times pi times radius^2
thgis cone=1/3 times r tiimes pi times r^2=1/3 times pi times r^3

compare
bowl=2/3 pi r^3
cylinder=pi r^3
cone=1/3 pi r^3
the cylinder is biggest
CYLINDER IS THE ANSWER




2.
sphwere=4/3 times radius^3 times pi
this sphere=4/3 times pi times r^3

cylinder=height times radius^2 time pi
this cylinder=2r times r^2 times pi=2r^3 times pi

cone=1/3 times height time r^2 times pi
this cone=1/3 times 2r times r^2 times pi=1/3 times 2r^3 times pi=2/3 times r^3 times pi

sphere:4/3 pi r^3
cylinder: 2 pi r^3
cone: 2/3 pi r^3
7 0
3 years ago
Read 2 more answers
2.943 × 10-² (negative 2nd power) what is the quotient
Leni [432]
2.943 × 10-²

= <span>2.943
----------
    10²</span>
8 0
3 years ago
Read 2 more answers
How can 1/5x-2=1/3x+8 be set up as a system of equation
erik [133]
Hello :
<span>1/5x-2=1/3x+8
let ; y = </span><span>1/5x-2 ..... (1)
       y=1/3x+8  .....(2)
by (1) : 1/5 x =y+2
             x = 5y +10....(*)
by (2) : 1/3x = y-8
             x = 3y-24 ....(**)
(*) :5y-x = -10
(**) : 3y-x =24     ......( last answer )


</span>
4 0
3 years ago
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