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goblinko [34]
3 years ago
14

What is the solution to the equation (8x-7) = 2(4x+9)

Mathematics
2 answers:
Shalnov [3]3 years ago
6 0

Answer:

There is simply no solution

Step-by-step explanation:

Slav-nsk [51]3 years ago
5 0

Answer:

Step-by-step explanation:

8x - 7 = 2(4x + 9)

8x - 7 = 8x + 18

8x - 8x = 18 + 7

0 = 25

There are no solutions to this problem.

You might be interested in
In how many arrangements can 3 boys and 4 girls stand in a row such that no two boys are together?
Sophie [7]

Answer: 1440

Step-by-step explanation:

To arrange 3 boys and 4 girls such that no two boys are together.

Since boys should be arranged between the girls.

So first arrange the girls.

Assume that the girls are placed, then there will be 5 spaces left for 3 boys.

The number of combinations to fill these places = ^5C_3=\dfrac{5!}{3!2!}=\dfrac{5\times4}{2}=10

Also, 3 boys can arrange themselves in 3! =3 x 2 x 1 = 6 ways

4 girls can arrange themselves in 4! = 4x 3 x 2 x 1 = 24 ways

Then, the total number of arrangements = 10 x 6 x 24 = 1440

Hence, the required number of arrangements = 1440

5 0
3 years ago
Which of the following will result in a rational number? Select all that apply.
Burka [1]

Answer:

A

Step-by-step explanation:

the answer is a :

6 4/5+√9/4

8 0
2 years ago
What is the sum in simplest form for 5/8+2/5
Bogdan [553]
(5/8)+(2/5)= 

so you need a common den so in this case its 40

so we multiply to get 40 like

(5/5)(5/8)+ (2/5)(8/8)=

25/40 + 16/ 40 = 41/40
5 0
4 years ago
A plane rises from take off and flies at an angle 11° with the horizontal runway. When it has gained 750 feet find the distance
kogti [31]

Answer:

D=3930.632298 \approx 3930.6miles

Step-by-step explanation:

From the question we are told that

Angle  \theta=11\textdegree

Height of plane h  =750feet

Generally the equation for the total distance flown is mathematically given by

D=\frac{h}{sin\theta}

D=\frac{750}{sin11}

Therefore total distance flown is

D=3930.632298 \approx 3930.6miles

7 0
3 years ago
If 115% of a number is 460, what is 75% of the number
SIZIF [17.4K]
I use the is/of=%/100 to solve this type of problem.you first have to find the original number and then find 115% of it to get 460.

3 0
3 years ago
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