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3 years ago

Write an addition or subtraction fact. Then write a strategy you could use to add or subtract.

Mathematics

2 answers:

alexgriva [62]3 years ago

5 0

15+15

draw out circles or whatever strategy you use to add

Ne4ueva [31]3 years ago

4 0

2+2=4

You start with 2 and add an additional 2 to that. You now have 4.

I hope that helps!!!!!!

: )

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What does this mean expand 3(x+4)

finlep [7]

Answer:

3x+12

Step-by-step explanation:

Expanding is basically the opposite of simplifying an equation, in order to expand you just multiply everything out

Here we have

$3(x+4)$

which just means

$3*(x+4)$

which is

$3*x+3*4\\=3x+12$

6 0

3 years ago

If the probability that you draw a red card out of a deck of cards is 1/2 , what is the probability that you do not draw a red c

dezoksy [38]

$\frac{1}{2 }$

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3 years ago

The intensity of a radio signal from the radio station varies inversely as the square of the distance from the station. suppose

spayn [35]

Answer:

The ratio of the new distance to the old distance is (11/2) .

The intensity is inversely proportional to the square of the distance,

so the new intensity will be (2/11)² times the old intensity.

Intensity = 8,000 (2/11)² =

32,000 / 121 = 262.463 units

Rounded to the nearest whole unit: 262 units

Step-by-step explanation:

6 0

2 years ago

Large cheese pizzas cost $5 each and large pepperoni pizzas cost $6 each. The expression 5c+6p models the total cost of large ch

IrinaK [193]

Answer: 5c represents the cost of 'c' large cheese pizzas and 6p represents the cost of 'p' large pepperoni pizzas.

Step-by-step explanation:

Given: Large cheese pizzas cost $5 each and large pepperoni pizzas cost $6 each.

The expression 5c+6p models the total cost of large cheese pizzas.

here c represents Number of large cheese pizzas and p represents number of large pepperoni pizzas such that

5c represents the cost of 'c' large cheese pizzas and 6p represents the cost of 'p' large pepperoni pizzas.

[Total cost = Cost of each item x Number of items ]

8 0

3 years ago

At a sale this week, a digital camera is on sale for $547.40. This is a 57% discount off of the original price. What is the orig

zhuklara [117]

Answer:

725.623

Step-by-step explanation:

547.40:?

43 :57

?=547.40×57÷43

7 0

3 years ago