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otez555 [7]
3 years ago
6

Please help, I’ve been stuck on this question for about a hour now.

Mathematics
1 answer:
Hoochie [10]3 years ago
7 0
6x + 5x + (x + 16) + (3x - 1) = 360
11x + x + 16 + 3x - 1
15x + 15 = 360
15x = 345
x = 23


6(23) = 138
((23) + 16) = 39
(3(23) - 1) =68
5(23) = 115

138 + 39 + 68 + 115 = 360
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a painter bought 8 gallons of paint just enough to cover 2 rooms. One room is twice the size of the other and requires only 2 co
e-lub [12.9K]
So, he's got 8 gallons of paint, to paint the two rooms, of the two rooms, one is twice as big as the other

now, "x" is how many gallons to paint the larger room with only one coat, however, the larger room uses 2 coats, so, the larger room uses 2x of paint
now, the client declined to paint the smaller one

so hmmm as I read... well, we dunno how many coats will go to the smaller room for one, we know the larger will use 2 coats, or 2x.. if we assume the smaller room was going to use say 1 coat or 1/2x

then one can say the painter bought enough for both rooms, 1coat for the small one and 2coats for the larger one

so, the paint the larger room, you'll 2x of paint, for 2coatsand to paint the smaller room, you'll need 1/2 x, because x gallons is how much is needed for the larger room, but the larger room is twice as big, thus the smaller room uses 1/2 of that in gallons

thus, with those assumptions, that the small room will use only 1 coat
\bf \cfrac{1}{2}x+2x=8\implies \cfrac{5x}{2}=8\implies x=\cfrac{16}{5}
that's who many gallons are needed for 1 coat in the larger roomrecall "x" is 1coat for the larger room

now, the client decides to skip the smaller roomso, the painter will only need 2x gallons then

\bf 2x\implies 2\cdot \cfrac{16}{5}\implies \cfrac{32}{5}\implies 6.4\ gallons

he bought 8 gallons, 8 - 6.4, he's got left 1.6 gallons
3 0
2 years ago
Read 2 more answers
Yall know the anwser to this​
Olenka [21]

-1(-1-9)= -1*-10= 10

6 0
3 years ago
Combine like terms 18x-(-7x)+31-(-37)-5x
viktelen [127]

Answer:

20x+68

Step-by-step explanation:

6 0
2 years ago
What is 136°=92°+6r+2°​
Lina20 [59]

What is being solved for is r.

136 = 92 + 6r + 2

136 - 92 - 2 = 6r

42 = 6r

r = 6

3 0
3 years ago
What is the scientific notation for a length of 0.0000923 centimeter
nataly862011 [7]

Answer:

9.23*10 to the power 5

Step-by-step explanation:

to move the point 5steps backwards

4 0
3 years ago
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