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4 years ago

Find the product of 20x9x5. Tell which property you used

Mathematics

2 answers:

erastovalidia [21]4 years ago

8 0

900

20×5×9=(20×5)×9=100×9=900

Virty [35]4 years ago

7 0

$20\times9\times5\\\\Use\ Commutative\ property\ a\times b=b\times a\\\\20\times5\times9=(20\times5)\times9=100\times9=\boxed{900}$

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Forty is no greater than the difference of a number and 2

nikklg [1K]

40≤n-2 is the formula

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3 years ago

The school that Mary goes to is selling tickets to a spring musical. On the first day of ticket sales

andrezito [222]

Answer:

The cost of one adult ticket is $13, and the price of one student ticket is $4.

Step-by-step explanation:

This question can be solved using a system of equations.

I am going to say that:

x is the cost of an adult ticket

y is the cost of a student ticket.

6 adult tickets and 1 student ticket for a total of $82

This means that

$6x + y = 82$

$y = 82 - 6x$

The school took in $51 on the second day by selling 3 adult tickets and 3 student tickets.

This means that

$3x + 3y = 51$

Simplifying by 3

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$x + 82 - 6x = 17$

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$5x = 65$

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4 0

3 years ago

Please help

gtnhenbr [62]

A line perpendicular to y = -2x + 5 will have an equation in the form of:

y = (1/2)x + b

Since the graph must intersect (-2,9), we plug in this point to solve for b.

9 = (1/2)*(-2) + b

9 = -1 + b

10 = b

So the equation is:

y = (1/2)x + 10

The answer is A.

7 0

3 years ago

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elena-14-01-66 [18.8K]

Step-by-step explanation:

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2y=24-2y

4y=24

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D. c = -b - 11

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3( -b - 11) +6 = 6b

-3b-33+6=6b

-3b-27=6b

-27=9b

3=b

3 0

3 years ago

Johnny earns $5 per day delivering newspapers. What equation shows how much money m he earns delivering papers for d days

4vir4ik [10]

Answer:

Step-by-step explanation: so, he earns 5 dollars every day, and he starts off with 0 with the y=mx+b form you would y or m in this case is equal to 5x or is this case d so ot would be m=5d

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3 years ago