3 years ago

1. An item is on sale for 40% off. If the original price of the item is $40, what is the total

Mathematics

1 answer:

bazaltina [42]3 years ago

3 0

Answer:

Step-by-step explanation:

find 40% of 40 and then subtract the result from 40

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6 - 3x = 5x - 10x + 8

Jet001 [13]

Answer:

x=1

Step-by-step explanation:

6-3x=5x-10x+8=

move all terms to the left:

6-3x-(5x-10x+8)=0

add all the numbers together, and all the variables

-3x-(-5x+8)+6=0

get rid of parentheses

-3x+5x-8+6=0

add all the numbers together, and all the variables

2x-2=0

move all terms containing x to the left, all other terms to the right

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3 years ago

Factor the given quadratic function x2 + 9x = 36.

Gennadij [26K]

Answer:

(x + 12)(x - 3)

Step-by-step explanation:

${x}^{2} + 9x = 36 \\ {x}^{2} + 9x - 36 = 0 \\ {x}^{2} + 12x - 3x - 36 = 0 \\ x(x + 12) - 3(x + 12) = 0 \\ (x + 12)(x - 3) = 0$

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3 years ago

A train is traveling at a constant speed. The table shows the distance the train travels at different times during the trip. How

SpyIntel [72]

The train is traveling at 165 mph

495/3=165
825/5=165
1155/7=165
1485/9=165

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3 years ago

Ticketd to the school play cost $11 for adults and $6 for children. What expression can be used to find the toyal cost for x adu

Makovka662 [10]

Answer:221

Step-by-step explanation:

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3 years ago

1. A = 1/2bh

OleMash [197]

1 and 2 i can't answer without proper data.
3. x+2x+2x+6 = 86
5x+6 = 86
-6 -6
5x = 80
x = 16
Side one: x is 16
Side two: 2x is 2(16) = 32
Side three: 2x+6 is 38

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3 years ago