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eimsori [14]
3 years ago
6

(2x/3)-(2x/5)=-60 and .2x+.9y=19.2

Mathematics
1 answer:
faust18 [17]3 years ago
7 0

Answer:

'365383550.5856+25535

Step-by-step explanation:

'u'[u98y5e677

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Complete the statement three eights times something equals one
Misha Larkins [42]
3 times 8 times 1 eqals 24
8 0
3 years ago
Joes age (j) is half Martha’s (m). Combined, their age is 42. What are their ages?
svp [43]

Answer:

Joe is 14.

Martha is 28.

Step-by-step explanation:

Use the variables and information from the question to make equations.

If Joe's age is half Martha's:

(1/2)m = j     OR     2j = m

If their ages combined is 42:

m + j = 42

We can substitute the equation m=2j into equation m + j = 42, replacing "m".

m + j = 42    Substitute m for 2j

2j + j = 42     Combine like terms, terms with same varables

3j = 42     Divide both sides by 3 to isolate j

j = 14       Joe's age

Since j = 14, we can substitute it into equation m=2j to find "m".

m = 2j       Substitute j for 14

m = 2(14)     Simplify

m = 28       Martha's age

Therefore Joe is 14 and Martha is 28.

5 0
4 years ago
PLEASE SHOW WORK
Ne4ueva [31]

Answer:

S = 6

R = 10

Step-by-step explanation:

Givens

Let the Regular Tickets be R

Let the Senior Citizen tickets be S

Equations

85r + 24s = 994    (1)

45r + 12s = 522     (2)

Solution

Multiply equation 2 by 2

  • 2(45r + 12s = 522)
  • 90r + 24s = 1044        Subtract (1)
  • <u>85r + 24s = 994</u>
  • 5r = 50                        Divide by 5
  • 5r/5 = 50/5                 Do the division
  • r = 10

======================

Solve for s

  • 45r + 12s = 522                    Substitute r = 10
  • 45*10 + 12s= 522                 Simplify the left
  • 450 + 12s = 522                   Subtract 450  from both sides
  • 450-450 + 12s = 522-450   Simplify
  • 12S= 72                                  Divide by 12
  • 12S/12 = 72                            Do the division
  • S = 6  


5 0
3 years ago
Please, help me. I'LL GIVE BRAINLIEST.
Anni [7]
X= -18 (negative eighteen)
7 0
3 years ago
Read 2 more answers
A. 4^9x4^3<br> B.6^5x6^2<br> C.8^6 divided by 8<br> D.7^8 divided by 7^6 <br> INDEX NOTATION
cluponka [151]
A - 4^12

b- 6^7

c- 8^7

d - 7^2
3 0
3 years ago
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