3 years ago

Multiplication facts

1 answer:

3 0

- Anything times(x) 1 is ONE
- Anything times 2 always has an even number at the end
On and On
Here's a picture I got from online.

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The cost of 3 scarves is $26.25. What is the unit price? (cost per scarf)

Marysya12 [62]

$8.75 because 26.25 divided by 3 equals $8.75.

hope this helps

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4 years ago

8x - 3(5 + 9x what's the simplified algebraic expression p

Mashcka [7]

=8x + (-3) (5) + (-3) (9x)

=8x + -15 + -27x

(8x + -27x) + (-15)

19x +-15

19x -15

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3 years ago

I subtract 3 from a certain number, multiply the result by 5 and then add 9 if the final result is 54. find the original number

Sergeu [11.5K]

$(x-3)\cdot 5+9=54\\5x-15=45\\5x=60\\x=12$

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2 years ago

The low temperature on Monday was 16°F. On Tuesday, the low was 18°F cooler. On Wednesday, the low temperature was –4 times Tues

drek231 [11]

Answer:

$-4(16-18)$ , $[16 + (-18)](-4)$

Step-by-step explanation:

Given: The low temperature on Monday was 16°F. The low temperature on Tuesday was 18°F cooler. The low temperature on Wednesday was –4 times Tuesday’s temperature.

To find: expression that can be used to describe the low temperature on Wednesday

Solution:

Temperature on Monday = 16°F

So,

Temperature on Tuesday = $(16-18)\°F$

Temperature on Wednesday = $-4(16-18)\°F$

So, expression $-4(16-18)=(16-18)(-4)$ can be used to describe the low temperature on Wednesday.

Also,

$(16-18)(-4)=[16 + (-18)](-4)\,\,\left \{\because (a-b)=\left [ a+(-b) \right ] \right \}$

So, expression $[16 + (-18)](-4)$ also represent temperature on Wednesday.

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4 years ago

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anyanavicka [17]

It will be the last one-(3, 2)

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3 years ago

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