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Margaret [11]
3 years ago
12

2 people working at the same rate will take 6 hours to paint a room

Mathematics
2 answers:
ipn [44]3 years ago
4 0

Answer:

whats the question?

Step-by-step explanation:

worty [1.4K]3 years ago
4 0

Answer:

Ok. So ig each one of them takes 3 hours to paint half a room.

Step-by-step explanation:

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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
3 years ago
A and b are complementary angles. a measures 28 degrees. what is the measure of b
elena-s [515]

Answer:

62

Step-by-step explanation:

90 - 28

complementary angles equal to 90

6 0
3 years ago
Read 2 more answers
Help ME!!!! where could you insert parentheses in 310-20/2x5+13 so that the answer would be 130?
tatiyna
310-20(2x5)+13 I think
7 0
3 years ago
Will Mark as Brainliest?
GaryK [48]

Answer:

Step-by-step explanation:

a.

slope=-1/2

b.

eq. of line is

y-0=(-2-0)/(0-(-2)(x-(-2))

y=-2/2  (x+2)

or y=-x-2

5 0
3 years ago
Which expression is equivalent to -36 – 8?
balandron [24]

Answer:

-36+-8=-44

Step-by-step explanation:

8 0
3 years ago
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