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dolphi86 [110]
3 years ago
6

Equations must have combining like terms answer must be x=12

Mathematics
2 answers:
AnnyKZ [126]3 years ago
8 0

Answer:suppose

5x+x=72

6x=72

x=72/6

x=12

ElenaW [278]3 years ago
5 0

6x+3x=108

9x=108

x=108/9

x=12

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Find the value of y in the rhombus below
jonny [76]

All of a "rhombus's" sides are equal so if it states " one side is 30*" then all 4 sides are 30* .

If they are asking for the inside (perimeter) than you would have to divide 30* by 4 which leaves you with 7.5 .

To check your answer complete 7.5 x 4 and you'd get 30 .

(PLEASE MARK BRAINLIEST) :)

8 0
3 years ago
4. Janet has 30 classmates in her classroom. 18 of those
boyakko [2]

Answer:

300

Step-by-step explanation:

Let x represent number of girls.

18 girls / 30 students

x girls / 500 students

18/30 = x/500

x = 18/30 x 500

x= 300 girls

Therefore there are approximately 300 girls in the school.

6 0
2 years ago
Identify the equation in slope-intercept form for the line containing the point (2,1) and parallel to y=5/3x−1/3.
Gekata [30.6K]

Answer:

y = 5/3x -7/3

Step-by-step explanation:

parallel lines will have the same slope

m = 5/3, point (2, 1)

use point-slope form to find the new equation for the parallel line

y - 1 = 5/3(x - 2)

y = 5/3x - 10/3 + 1

y = 5/3x -7/3

3 0
3 years ago
1. MATHEMATICS The sum of ages of Bola, Dada and Ayo is 32 years. After sharing a sum of money in ratio of their ages, if Bola g
solniwko [45]

Answer:

Bola is 8 years old.

Step-by-step explanation:

Let Bola's age be x

Dada's age be y

Ayo's age be z

If the sum of ages of Bola, Dada and Ayo is 32 years, then;

x + y + z = 32

If they share a sum of money in ratio of their ages, then the ratio of their ages will be x : y : z

Also if Bola gets N400, Dada get-N400 and Ayo get N800, then the total amount of money shared will be expressed as:

T = 400 + 400 + 800

T = N1600

Next is to get the age of Bola

\frac{age \ of \ bola}{32}* Total \ amount \ shared = Bola's \ Share

Substitute the required variables and values into the formula;

\frac{x}{32}*1600= 400\\50x=400\\x=\frac{400}{50}\\x=8

This shows that Bola is 8 years old

3 0
3 years ago
I don’t understand this
Oxana [17]

You have to multiply whats outside the parenthesis with everything that is inside, so

x^{-3}y^0.(x^2-3x^5y^4)

x^{-3}y^0.x^2-x^{-3}y^0.3x^5y^4

Multiplication of same bases we sum the exponents

x^{-3+2}y^0-3x^{-3+5}y^{0+4}

x^{-1}.1-3x^2y^4

x^{-1}-3x^2y^4

Alternative B.

7 0
3 years ago
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