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m_a_m_a [10]
3 years ago
5

Solve by substitution y=9x-19 6x-2y=26

Mathematics
1 answer:
sineoko [7]3 years ago
4 0

Answer:

Step-by-step explanation:

6x-2(9x-19)=26

6x -18x +38 =26

-12x = 26-38

-12x = -12

x=1

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Determine the volume of the entire Charter School.​11 points
qaws [65]

Answer:   512m³

Step-by-step explanation:

v = whl

The volume for left building:

v = w x h x l

v = 4 x 10 x 8

v = 320 m³

The volume for right and lower building:

v = w x h x l

v = 8 x 4 x 6

v = 192 m³

The total volume for the entire Charter School is: 320m³ + 192m³ = 512m³

5 0
3 years ago
Solve 6^x=1,296<br><br><br> X=__________a0
Troyanec [42]

Answer:

x=4

Step-by-step explanation:

6^x = 1296

Take the log base 6 on each side

log6(6^x) = log6(1296)

Rewrite 1296 as 6^4

x = log 6(6^4)

We know that log( a^b) = b log (a)

x = 4 log6(6)

We know that loga(a) =1

x = 4 *a

x =4

5 0
3 years ago
Read 2 more answers
Give me an answer only
masha68 [24]

Answer:

Step-by-step explanation:

option 2

5 0
3 years ago
Read 2 more answers
The surface of a pool table has a perimeter of 26 feet and an area of 36 square feet. What are the dimensions of the pool table?
deff fn [24]

Answer:

Step-by-step explanation:

pool tables are rectanglar

Perimeter = 2L + 2W      =  2(L+W)   ---->>>    Perimeter/2  = L + W  =

         Perimeter/2 - W  =  L

        Area = L×W     

Two equations and two unknowns and  L is substituted into the area equation  

 ---->>  Area = (Perimeter/2 - W) x W

          Area = (Perimeter x W)/2  - W²              solve for W

Area = 36 and  Perimeter = 26

       36 ft² = (26)( W)/2 ft  - W² ft²

       36 ft² = 13W ft - W² ft²

        W² - 13W + 36 = 0            quadratic equation factor solve for W

         (W - 4)(W - 9)  = 0            

There are two roots

        W - 4 = 0   and W - 9 = 0

        W = 4  and  9         W = 9  it doesn't make sense  needs to be < L

Perimeter/2 - W = L

         L = 26/2 - W

            = 13 - 4

         L = 9 ft  and   W = 4 ft

6 0
3 years ago
Simplificar 2/3+1/5+2/4
beks73 [17]

Answer:

41/30

Step-by-step explanation:

2/3 + 1/5 + 2/4

= 41/30

6 0
3 years ago
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