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3 years ago

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]

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Step-by-step explanation:

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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.

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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

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