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lana [24]
3 years ago
5

Change the order or grouping to find the sum. Explain how you used properties to find the sum. 63 + 86 + 77

Mathematics
2 answers:
notsponge [240]3 years ago
8 0
You can't change the sum by changing the grouping. Any way you cut it, you will always get 226, as you only have addition operations, and the commutative property [a+(b+c)=(a+b)+c] means that the sum will always be the same.
Amanda [17]3 years ago
8 0

Answer:

63+86+77=226

Step-by-step explanation:

Given : Expression 63+86+77

To find : Change the order or grouping to find the sum. Explain how you used properties to find the sum ?

Solution :

Adding the term as given,

6 3

8 6

+7 7

--------

226

If we regroup or change the order there will be no effect on the addition the result remain same.

For example -

6 3

7 7

+8 6

--------

 226

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Selina didn't use the distributive property correctly. Where did she go wrong? Explain your thinking.​
GarryVolchara [31]

Answer:

PEMDAS

Step-by-step explanation:

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For Example:

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NOTE!

Remember to always Multiply and divide BEFORE adding and subtracting.

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6 0
3 years ago
A volunteer is buying 10 blankets for the animal shelter. Shipping the blankets costs $1.50 and the volunteer has $75 to spend.
Luba_88 [7]

Answer:

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Step-by-step explanation:

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3 years ago
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Consider the data points (–4, –14), (–2, –7), (0, –3), (2, –2), and (6, –6). Which type of function would best model the data se
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The solution is attached as a word file

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What is the vertex of the quadratic function f(x)=x2+6x+16? Write your answer
Olenka [21]

Answer:

The vertex of the quadratic function is:

(x_{v}, y_{v})=\left(-3,\:7\right)

Step-by-step explanation:

Given the function

f\left(x\right)=x^2+6x+16

As the vertex of the form y=ax^2+bx+c is defined as:

x_v=-\frac{b}{2a}

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so

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x_v=-3

Putting x_v=-3 to determine y_v

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Therefore, the vertex of the quadratic function is:

(x_{v}, y_{v})=\left(-3,\:7\right)

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3 years ago
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