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VashaNatasha [74]
3 years ago
8

Select from the drop-down menu to correctly identify the property shown.

Mathematics
2 answers:
FinnZ [79.3K]3 years ago
5 0
This is the Commutative Property of addition. called Commutative because the numbers move around to the other order, or "commute"
mafiozo [28]3 years ago
5 0

Answer:

commutative property

Step-by-step explanation:

7.2 + (-5.5) = -5.5 + 7.2

Associative property:

In associative property, we can add or multiply the numbers by grouping the numbers in any order

Commutative Property

In commutative property, we can add or multiply the numbers by changing the order of numbers

7.2 + (-5.5) = -5.5 + 7.2

Here the order of numbers are changed. So commutative property is applied to this equation.

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At Elisa's printing company llc there are two kinds of printing presses: model a which can print 70 books per day and model b wh
Vilka [71]
70a + 55b = 905
a + b = 14
55a + 55b = 770

(70a-55a) + (55b-55b) = 905 - 770
15a = 135
a = 9

a + b = 14
9 + b = 14
b = 5
7 0
3 years ago
There is a 70% chance that your car will get stuck in the snow during the next big snow fall. Given that you are already stuck i
nikdorinn [45]

Answer:

63%

Step-by-step explanation:

This is a problem of conditional probability.

The two events that are given are:

  • Car stuck in the snow - Let it be event S. P(S) = 70% = 0.70
  • Require a tow truck - Let it be event T.

We have to find the probability of being stuck in the snow AND requiring a tow truck which can be given as P(S and T)

We are also given the conditional probability, which is P(T | S) = 90% = 0.90

Using the given formula for our case we can modify the formula as:

P(T|S)=\frac{P(S \cap T)}{P(S)}

0.90=\frac{P(S \cap T)}{0.70}\\\\ P(S \cap T)=0.90 \times 0.70\\\\ P(S \cap T)=0.63

Therefore, there is 63% (0.63) chance that you will get stuck in the snow with your car AND require a tow truck to pull you out

4 0
3 years ago
A jewelry store has 212.75 ounces of 14-carat gold in stock. (a) how many custom necklaces can be manufactured if each requires
Nonamiya [84]

Answer:

a. The number of custom necklaces that can be manufactured if each requires 2 7/8 ounces of gold is 74 necklaces.

b. The value of the gold in each necklace is $1761

Step-by-step explanation:

(a) Number of necklaces

27/8 ounces of gold=2.875

No of necklaces=212.75oz x 1 necklaces/2.875oz

                          =74 necklaces

(b)Value of gold in each necklace

There are 2.875 oz of 14K gold in each necklace. Pure gold is 24K.

Mass of pure gold=2.875oz x 14k/24k

                              =1.677083oz

Pure 24K gold is worth $1050/oz.

Value of pure gold=1.677oz x 1050/1oz

                              = 1760.9 dollars

The value of the gold in each necklace is $1761

#SPJ4

Learn more on

brainly.com/question/12983156

6 0
2 years ago
Read 2 more answers
5=|y+3| what is the answer
Alexeev081 [22]
2 = y because 2+3= 5
5 0
3 years ago
A 1970 comic book originally sold for $0.35 has appreciate 10% per year. What will it be worth this year? Round to the nearest c
Juli2301 [7.4K]

Answer:

$41.09 (as of 2020)

Step-by-step explanation:

i took the test

8 0
3 years ago
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