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VashaNatasha [74]
3 years ago
12

How can estimation help me to find the area of a rectangle or square

Mathematics
2 answers:
IrinaK [193]3 years ago
5 0
<span>First, I'm going to categorize the portions of the rectangle. The red portions are grid squares that are completely enclosed by the rectangle, the green portions are the corners and finally the blue regions are the edges. 
</span>
Sonbull [250]3 years ago
5 0
How it can help is if you have one side of a rectangle like 4.2342323332 and you had to multiply it by 2.8493844, that would be too hard so you could just make it into 4x2 which equals 8
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Hillary earns $60 per week at her job, plus $2 for each item she sells. She wants to
AnnZ [28]

Answer:

60+2x≥300

Step-by-step explanation:

So we know that she makes a base of $60 a week and gets $2 extra for every item she sells. First, we set up an equation for how many items she would have to sell to make exactly $300 in a week. 60+2x=300. Now, all we do is replace the equal sign with a ≥ sign because it says at least which means more than or equal to.

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2 years ago
Read 2 more answers
2. For the data set of Scientist Albert, find the ratio comparing reaction to product for all pairs of values in the table. Use
Kipish [7]
The answer is b. Notice that the problem is looking for the reaction to product ratio, which is tricky because it's easy to follow the order of the column and calculate the inverse of it. Check the first ratio, 0.3/2=0.15, we can immediately choose b out of the other 4 choices.
3 0
3 years ago
H(x)=4/x-5<br> What is the domain of h?
Inga [223]

Answer:

domain: (-∞, 5)∪(5, ∞)

domain in interval form: {x|x ≠ 5}

4 0
3 years ago
When a sum of rupees hundred is divided in the ratio of 2 is to 3 find the share of each part ​
raketka [301]

Answer:

40 and 60

Step-by-step explanation:

Sum of ratio=2+3

sum of ratio=5

Share of part 2=2/5*100

share of part 2=40

Share of part 3=3/5*100

share of part 3=60

<u>N</u><u>o</u><u>t</u><u>e</u><u>:</u><u>i</u><u>f</u><u> </u><u>y</u><u>o</u><u>u</u><u> </u><u>n</u><u>e</u><u>e</u><u>d</u><u> </u><u>t</u><u>o</u><u> </u><u>k</u><u>n</u><u>o</u><u>w</u><u> </u><u>a</u><u>n</u><u>y</u><u> </u><u>q</u><u>u</u><u>e</u><u>s</u><u>t</u><u>i</u><u>o</u><u>n</u><u> </u><u>please</u><u> </u><u>let</u><u> </u><u>me</u><u> </u><u>know</u><u>.</u>

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3 years ago
What is algebraic expression for the difference of 2 and the product of 3 and k
krek1111 [17]
I'm sure the correct answer is 3k-2
5 0
3 years ago
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