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erastovalidia [21]
3 years ago
7

Which is an example of the associative property?

Mathematics
2 answers:
11111nata11111 [884]3 years ago
8 0
It is option d because addition is associative for integers.

Hope it helps :)
kkurt [141]3 years ago
8 0

Answer: Option 'c' is correct.

Step-by-step explanation:

Since we have given that

Associative property is the property which can be written as

a+(b+c)=(a+b)+c

So, according to options, we have

(8.4 + 10.3) + (-4.1) = 8.4 + (10.3 + (-4.1))

Here, a  = 8.4

b = 10.3

c = -4.1

So, it satisfies the associative property.

Hence, Option 'c' is correct.

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aleta's puppy gained 3/8 pounds each week for 4 weeks. altogether, how much weight did the puppy gained
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1 1/2 pounds is how much her puppy gained altogether
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3 years ago
Cheddar Cheese
disa [49]

Complete question :

Cheddar Cheese

$3/lb

Swiss Cheese

$5/lb

Keisha is catering a luncheon. She has $30 to spend on a mixture of Cheddar cheese and Swiss cheese. How many pounds of cheese can Keisha get if she buys only Cheddar cheese? Only Swiss cheese? A mixture of both cheeses?

What linear equation in standard form can she use to model the situation?

Answer:

10 lbs of cheddar cheese

6 lbs of Swiss cheese

$3a + $5b = $30

Step-by-step explanation:

Given that :

Cheddar cheese = $3/lb

Swiss cheese = $5/lb

Total amount budgeted for cheese = $30

How many pounds of cheese can Keisha get if she buys only Cheddar cheese?

Pounds of cheedar cheese obtainable with $30

Total budget / cost per pound of cheddar cheese

$30 / 3 = 10 pounds of cheedar cheese

Only Swiss cheese?

Pounds of cheedar cheese obtainable with $30

Total budget / cost per pound of Swiss cheese

$30 / 5 = 6 pounds of Swiss cheese

A mixture of both cheeses?

What linear equation in standard form can she use to model the situation?

Let amount of cheddar cheese she can get = a

Let amount of Swiss cheese she can get = b

Hence,

(Cost per pound of cheddar cheese * number of pounds of cheddar) + (Cost per pound of Swiss cheese * number of pounds of Swiss cheese) = total budgeted amount

(3 * a) + (5 * b) = $30

$3a + $5b = $30

4 0
3 years ago
10% of what number is 78?
Zepler [3.9K]

Answer: x = 780

Step-by-step explanation: Well <u><em>percent</em></u> means <em>over 100</em> so we can set up an equation for this problem by reading it from left to right.

So we know that <u><em>10%</em></u> means <em>10/100</em>, <u><em>of</em></u> means times, <em><u>what</u></em> <em><u>number</u></em> means <em>x</em>, <u><em>is</em></u> means <em>equals</em>, and <em><u>12</u></em> means 12.

Notice that <em>10/100</em> can be reduced to 1/10.

So rewriting our problem we have <em>X/10 = 78</em>.

To get rid of the fraction, we multiply both sides of the equation by 10 and we have <em>x = 780</em>. So, 10% of 780 is 78.

Now let's check our answer back in the original problem to see if it makes sense.

We have <em>10% of 780 is 78</em>. Well we know that 100% of of 780 would be 780 so 10% of 780 should be alot less than 780 so 78 seems to make sense.

Image provided showing my work.

5 0
3 years ago
Read 2 more answers
Can somebody please help me with this!! i don’t want to fail!!!
lbvjy [14]

Answer:

im pretty sure its B. two planes

Step-by-step explanation:


6 0
3 years ago
Read 2 more answers
Which of the following is the factored form of the given equation?
Reika [66]
<span>In order to answer this question, you factor out a 2 and then use factorization for the rest of the answer to come up with the binomial. The answer is:
1. 2(3x+4)(x-1)=0

Hope this helps! :)</span>
4 0
3 years ago
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