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Anestetic [448]
3 years ago
10

If 9 is subtracted from a certain number and the difference is divided by 3, the result is 1 more than

Mathematics
1 answer:
Butoxors [25]3 years ago
4 0

Answer:

Let the number be x.

(x-9)/3= (x/7)+1

(x-9)/3= (x+7)/7

Cross multiplying

7x-63= 3x+21

4x= 84

x= 42

Hope this will help :-)

You might be interested in
Approximately how many times greater is 6 x 10^-5 than 5 x 10^-9
8_murik_8 [283]

Answer: 6 \times 10^{-5} is 1.2 \times 10^4. times greater than 5 \times 10^{-9}.


Step-by-step explanation:

We are given two numbers.

First number  : 6 \times 10^{-5}.

Second number : 5 \times 10^{-9}.

In order to find how many times   6 \times 10^{-5} is greater than 5 \times 10^{-9}, we need to divide first number by second number.

Therefore,

6 \times 10^{-5} ÷ 5 \times 10^{-9}

or \frac{6 \times 10^{-5}}{5 \times 10^{-9}}

First we would divide 6 by 5.

On dividing 6 by 5, we get 1.2.

Now, we would divide 10^-5 by 10^-9.

In order to divide them, we can apply quotient rule of exponents \frac{a^m}{a^n} =a^{m-n}.

We get

\frac{10^{-5}}{10^{-9}}  = 10^{-5-(-9)} = 10^{-5+9} = 10^4.

Therefore,

\frac{6 \times 10^{-5}}{5 \times 10^{-9}} = 1.2 \times 10^4.

So, we could say finally 6 \times 10^{-5} is 1.2 \times 10^4. times greater than 5 \times 10^{-9}.

8 0
3 years ago
V square+6v-59=0<br> answer in one equation
Tema [17]
X=\frac{-b+/- \sqrt{b^2-4ac} }{2a}
a=1
b=6
c=-59
x=\frac{-6+/- \sqrt{(6)-4(1)(-59)} }{2(1)}
x=-3+ 2\sqrt{17} and -3- 2\sqrt{17}




8 0
3 years ago
Which of the binomials below is a factor or this trinomial x-2 +5x+6
lutik1710 [3]
Firstly, for it to be a trinomial the expression would have to be x^2+5x+6 to factor this we would simply have to find 2 numbers that add up to 5 and multiply to 6. 3+2=5 and 3•2=6 so (x+3)(x+2) would be the answer
5 0
3 years ago
Y=4x<br> x+y=5<br><br> Help me get the answer
Ugo [173]
To solve this first we need to get are chunk which is already solved for here as
Y=(4x) so one the chunk side of this we dont have to solve for it, so now we can just skip right to solving this equation like so. First input the numbers x+(4x)=5,
Distribute/Combine like terms in this case
5x=5
Divide by 5
x=1
So now that we have x we can plug it into are chunk and then we have are answer
Y=(4x)
Y=(4*1)
Y=4
So are end answers are \left \{ {{y=4} \atop {x=1}} \right.
Enjoy!=)
7 0
3 years ago
Read 2 more answers
the area of the top of a rectangular table is 323 square feet. If the length of the table is 19 feet , what is the width
sergejj [24]

Answer:

hello :

the area is : A= w ×l     ...   w :  the width    l : the length

A = 323     l = 19     w ?

l = A/w

l = 323/ 19

l = 17 feet


4 0
3 years ago
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