if julie ran 3.6 miles from home to the gym and then walked 0.7 miles to the store she then ran from the store home if her total distance covered after she returned from the store was 7.2 miles how far is it from the store to her home? write and simplify and expression that would represent the distance she covered.
Answers
Home ---- gym = 3.6 mi.
gym ---- store = .7 mi.
store ----- home = x
3.6 + .7 + x = 7.2 mi.
Collect Like Terms
4.3 + x = 7.2
Subtract 4.3 from both sides
x = 2.9
The distance from the store to her home is 2.9 miles.
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Answer:
The given expression can easily be solved by using Distributive Laws of multiplication over addition.
Step-by-step explanation:
The given expression is : 4 x 275
Now, 275 can be expressed as sum of 200 + 75 + 5
So, the given expression 4 x 275 changes to 4 x (200 + 70 + 5)
The above expression can easily be solved by using the distributive law of multiplication over addition.
So, now distributing the multiplication over addition. We get,
4 x 275 = 4 x (200 + 70 + 5)
= 4 × 200 + 4 × 70 + 4 × 5
= 800 + 280 + 20
= 1100
Using the distributive property, 4 multiplied by 275 can be mentally calculated as 1100.
To find the product of 4 multiplied by 275 using mental math and properties of numbers, we use the distributive property and break down the numbers into more manageable parts.
First, we split 275 into 200 and 75. Then, we apply the distributive property by multiplying 4 by each part separately:
⇒ 4 × 275 = 4 × (200 + 75),
Using the distributive property:
⇒ (4 × 200) + (4 × 75),
Calculating mentally:
⇒ 800 + 300,
⇒ 1100,
By breaking down numbers into easier-to-manage parts and applying distributive property, we can mentally calculate that 4 multiplied by 275 equals 1100.
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Answer:
The balance in the account at the beginning of last year was $181.
Step-by-step explanation:
Consider the provided information.
A savings account earns simple interest at a rate of 6% per year.
6% can be written as: 6/100=0.06
Last year the account earned $10.86 in interest.
Let the amount invested is represented by x.
Hence, the balance in the account at the beginning of last year was $181.
In this case, you have to find out the number whose 6% is 10.86.
So, Let the number be x.
x * 6/100 = 10.86
x * 6 = 1086
x = 181.
So, the account balance at the beginning of last year was $181.
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Answer:
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Step-by-step explanation:
took the test hope this helps please mark brainlisets
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