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Ber [7]
3 years ago
5

Which is NOT a true statement?

Mathematics
2 answers:
Butoxors [25]3 years ago
6 0
A

This is because 4x18 = 72
Hope this helps
AveGali [126]3 years ago
6 0

Answer:

A is false

Step-by-step explanation:

a). 78 x 0.25 = 19.5

b). 60 x 0.30 = 18

c). 40 x 0.45 = 18

d). 20 x 0.90 = 18

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Make x the subject a=bx+c
EleoNora [17]

Answer: x=\frac{a-c}{b}

Step-by-step explanation:

8 0
3 years ago
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X + y = 152,<br><br> 8.5x + 12y = 1,656<br><br> How many hats were sold?
Elodia [21]

Answer:

x = 48 and y = 104

Step-by-step explanation:

Given equations are:

x+y = 152\\8.5x+12y=1656

From equation 1:

x = 152-y

Putting the value of y in equation 2

8.5(152-y)+12y = 1656\\1292-8.5y+12y = 1656\\3.5y+1292 = 1656\\3.5y = 1656-1292\\3.5y = 364\\\frac{3.5y}{3.5} = \frac{364}{3.5}\\y = 104

Now we have to put the value of y in one of the equation to find the value of x

Putting y = 104 in the first equation

x+y = 152\\x+ 104 = 152\\x = 152-104\\x = 48

Hence,

The solution of the system of equations is x = 48 and y = 104

The value of variable which was assumed for number of hats, is the total number of hats.

6 0
3 years ago
Someone help plz make sure it’s right plz will mark brainiest if it is:)
Lady_Fox [76]
The 4th one is correct
4 0
3 years ago
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WILL MARK BRAINLIEST!
Tamiku [17]

Answer:

5

Step-by-step explanation:

m=(y2-y1)/(x2-x1)

=(12-2)/(5-3)

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8 0
3 years ago
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How can I expand this expression? 4(1/4a + b - 6)?
cestrela7 [59]
Distribute the four which makes it A+4B-24
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