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Wittaler [7]
4 years ago
5

Why is it important to use significant digits to round the answer

Mathematics
1 answer:
VARVARA [1.3K]4 years ago
4 0
To get closest to the precise answer
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The sales tax in one town is 8%, So, the total cost of an item can be written as c + 0.08. What is the total cost of an item tha
JulsSmile [24]
First you would want to figure out how much tax would be 

127 × 0.08 = 10.16

Then you add the tax to the original price 

10.16 + 127 = 137.16 

And now you have the total cost of the product

137.16
7 0
3 years ago
Jason and his 3 brothers want to buy a gift fr their mother. they have $314 saved. each of them will save $17 a week until they
Alenkasestr [34]
With each of them saving $17 a week for 3 weeks, they will be able to save up $153 after three weeks. Adding this amount to the original amount they had will give them $467. Obviously, they will not have enough money to buy the gift they want for their mother. They will be short of $48. 
5 0
4 years ago
Read 2 more answers
workers are loading boxes onto a truck . So far, they have loaded 48 boxes onto the truck. According to their inventory, they st
Alex

Answer:

1,200

Steps down below

Step-by-step explanation:

Steps

1:  48=4% loaded on truck and they have 96% left to load

2: so set up a proportion and it should look like this

3: 48 over x = 4 over 100

4: 48/x=4/100

6: do cross multiplication 100×48= 4,800÷ 4 = 1,200 total on truck

Answer: 1,200 total on truck

<em><u>Hope this helps.</u></em>

6 0
3 years ago
What is the address of the element -5 in the matrix below?
Musya8 [376]

we have to find address of element -5 in the matrix

We know that

horizontal line represents number of rows

vertical line represents number of columns

We can see that

-5 is in third row

and -5 is in second column

Suppose, we have element in matrix

b_m_n

Here , m is number of rows

and n is number of columns

so, we got

m=3

n=2

now, we can plug these values

and we get

b_3_2............Answer


4 0
4 years ago
Read 2 more answers
EAB and DCB are two right triangles. The figure has BED≅ BDE. Point B is the midpoint of segment AC. Prove: EAB≅ DCB
aleksklad [387]
See the attached picture. 

<span>you are given that ABCE is an isosceles trapezoid. </span>

<span>you are given that AB is parallel to EC. </span>

<span>this means that AE is congruent to BC. </span>

<span>you are given that AE and AD are congruent. </span>

<span>triangle EAD is an isosceles triangle because AE and AD are congruent. </span>

<span>this means that angle 1 is equal to angle 3. </span>

<span>since angle 1 is equal to angle 2 and angle 3 is equal to angle 1, then angle 3 is also equal to angle 2. </span>

<span>this means that AD and BC are parellel because their corresponding angles (angles 3 and 2) are equal. </span>

<span>since AB is parallel to EC and DC is part of the same line, than AB is parallel to DC. </span>

<span>you have AB parallel to DC and AD parallel to BC. </span>

<span>if opposite sides of a quadrilateral are parallel, then the quadrilateral is a parallelogram. </span>

<span>that might be able to do it,depending on whether all these statements are acceptable without proof. </span>

<span>they are either postulates or theorems that have been previously proven. </span>

<span>if not, then you need to go a little deeper and prove some of the statements that you used.. </span>

here's my diagram. 

 

<span>this is not a formal proof, but should give you some ideas about how to proceed. </span>

<span>you can also prove that angle 4 is equal to angle 2 because they are alternate interior angles of parallel lines. </span>

<span>you can also prove that angle 6 is equal to angle 5 because they are alternate interior angles of parallel lines. </span>
5 0
3 years ago
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