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Damm [24]
3 years ago
9

Which equation shows the commutative property of addition?

Mathematics
2 answers:
docker41 [41]3 years ago
6 0

Answer:

A-4+3=3+4

Step-by-step explanation:

The commutative property of addition, also known as the order property of addition, means that a given group of numbers can be added in any order and their sum will always be the same.

marishachu [46]3 years ago
3 0

Answer:

A

Step-by-step explanation:

commutative is where one equals out to another and then when using addition you have to use the plus sign

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Using this figure A’ is the______Of A.
givi [52]

Answer:

Reflection

Step-by-step explanation:

Figure A' is the reflection of A as it is reflected from A'

8 0
2 years ago
A jar of peanut butter contains 454 g with a standard deviation of 10.2 g. Find the probability that a jar contains more than 46
Fofino [41]

Answer:

The probability that a jar contains more than 466 g is 0.119.

Step-by-step explanation:

We are given that a jar of peanut butter contains a mean of 454 g with a standard deviation of 10.2 g.

Let X = <u><em>Amount of peanut butter in a jar</em></u>

The z-score probability distribution for the normal distribution is given by;

                                Z  =  \frac{X-\mu}{\sigma}  ~ N(0,1)

where, \mu = population mean = 454 g

           \sigma = standard deviation = 10.2 g

So, X ~ Normal(\mu=454 , \sigma^{2} = 10.2^{2})

Now, the probability that a jar contains more than 466 g is given by = P(X > 466 g)

            P(X > 466 g) = P( \frac{X-\mu}{\sigma} > \frac{466-454}{10.2} ) = P(Z > 1.18) = 1 - P(Z \leq 1.18)

                                                                  = 1 - 0.881 = <u>0.119</u>

The above probability is calculated by looking at the value of x = 1.18 in the z table which has an area of 0.881.

4 0
3 years ago
The population of the United States is aging, though less rapidly than in other developed countries. Here is a stemplot of the p
Degger [83]

Answer:

Option A. 17.6%

Step-by-step explanation:

Since it is given that stems are in whole percent and leaves are tenths of percent which means if we take the first steam value of 5 7;

it means that 5 is whole percent and 7 will be written as  \frac{7}{10} = 0.7 percent which as a whole indicate that the first stem leaf represent 5.7% of residents aged 65 and over.

Now the highest percent of older residents for Florida will be the last stem leaf in the data given as 17 + 0.6 will represent 17.6% which is the highest among all others.

5.7% is the lowest of them all and there is no value as of 176% in the given stem leaf plot data.

Therefore option A id correct with 17.6% percent as of Florida.

8 0
3 years ago
Write the explicit formula that represents the geometric sequence -2, 8, -32, 128
lora16 [44]
a_{1}=-2 \\  \\ a_{2}=8 \\  \\ q= \frac{a_{2}}{a_{1}}  \\  \\ q= \frac{8}{-2}=-4 \\  \\ a_{n}=a_{1}*q^{n-1} \\  \\ a_{n}=-2*-4^{n-1}
7 0
2 years ago
S = 4LW + 2WH; S = 168, L = 8, W = 4<br><br> H=
IRISSAK [1]

Answer:

umm check your math book in page 445

Step-by-step explanation:

5 0
3 years ago
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