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Jobisdone [24]
3 years ago
5

Use models to prove that 3(a+b) is equivalent to 3a + 3b

Mathematics
2 answers:
GREYUIT [131]3 years ago
6 0
Foil

3times a is 3a.
3 times b is 3,b
Irina18 [472]3 years ago
4 0
This is not foiling. You would distribute the 3 to everything inside of the parentheses.
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Which of the following rational numbers is equal to 3.5 with a bar over it.
vagabundo [1.1K]
D-32/9
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3 0
3 years ago
5/11 as a decimal explain how to fracture it.
bulgar [2K]

Answer:

0.4545...

Step-by-step explanation:

To convert a fraction to a decimal take the numerator (5) and divide it by the denominator (11):

5 ÷ 11 = 0.454545... the 45 keeps repeating because it's a repeating decimal

7 0
3 years ago
3p-1=5 (p-1)-2 (7-2p)
NikAS [45]
P=2 

3p-1=5p-5-14+4p
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3 0
4 years ago
- 2 + 0.8) ÷ (- 1.3) =<br><img src="https://tex.z-dn.net/?f=%20%28%20-%202%20%2B%200.8%29%20%5Cdiv%20%28%201%7D%5E%7B2%7D%20%20-
Nookie1986 [14]
(-2 + 0.8) ÷ (1²-1.3) =

(-1.2) ÷ (1-1.3)

(-1.2) ÷ (-0.3)

= 4
6 0
3 years ago
Penelope wants to buy two necklaces, one for his sister and one for herself. The necklace for her sister cost $42.00, and the ne
alexgriva [62]

Answer:

The answer is C, $75.60.

Step-by-step explanation:

1) Add the price of the two necklaces.

42 + 28 = 70

2) Find what is 8% of 70. (Taxes)

70 x 8 = 560

560/100 = 5.6

3) Add the tax (5.6) to the total cost (70)

70 + 5.6 = 75.6

5 0
4 years ago
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