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Anuta_ua [19.1K]
3 years ago
11

Explain how you know the values of the digitsin the number 58

Mathematics
1 answer:
Angelina_Jolie [31]3 years ago
4 0
In the number 58, the 5 is in the tens place and the 8 is in the ones place
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One part of 10 equal parts of a whole is<br> called a
galina1969 [7]

Answer:

tenth

Step-by-step explanation:

4 0
3 years ago
When 13 is subtracted from the sum of 2 consecutive numbers the answer is 18 what are the consecutive numbers?
Hitman42 [59]
Let x = the first number
x+1 = the second number

The sum of our two numbers is therefore:  x + (x+1)

When you subtract 13 from the above you get 18 left over.

So our equation is:

x + (x+1) - 13 = 18

Now we can just solve for x:

x + (x+1) = 31

2x + 1 = 31

2x = 30

x = 15

So our first number is 15 and our second number must be 16.
7 0
3 years ago
Jason has 75 feet of wallpaper border. He wants to put up a wallpaper border around his rectangular bedroom that measures 12 fee
Liula [17]
<span>Let's summarize the facts:

the tape is 75 feet long

the bedroom is 12 feet by 14 feet. 

1. Tell how you can critique Jason’s reasoning.

If you want to Critique Jason's reasoning, you could a) ask yourself the same questions that Jason did and see if you would come with the same answers and used the same analysis or b) analyse Jason's answer to see if he did a mistake or missed an important detail and made a thought mistake


2. Critique Jason’s reasoning

 I will use the option b from above:  
? 
</span><span>Jason first multiplied 12 x 14 = 168. This multiplication is correct, but what did he get? He needed to get the perimeter of the bedroom  because it was only the wallpaper border, not the wallpaper itself - so getting the perimeter was needed, but this we get by the formula ( 2* *(length+width), not length* width - as Jason did.
So Jason made a mistake here! his actual answer should be 2*(12+14)=2*26=52, so the tape of 75 feet would have been enough!</span><span>

3. Jason uses an overestimate to decide how many rolls of wallpaper he needs for another’s room. Explain why his reasoning to use an overestimate does or does not make sense

Using an overestimate is often a good idea- in case some of the tape gets damaged, he will have some left. However, since his calculations are wrong by a lot (he multiplies rather than adds and multiplies by 2), his overestimate will be a lot higher than would be practical - he would be left with a lot of leftovers and spend too much money. So his reasoning does not make sense</span>
5 0
3 years ago
A mother gazes out a second-floor window at her son playing at the playground. If the mother's eye level is 12.6 meters off of l
ddd [48]
The  arrangement of mother's eye level, ground level and playground forms a right angles triangle.
The legs of this triangle are 12.6 m (eye level to ground) and 20 m (building to playground).

Using trigonometry and assuming the depression angle is Ф;
tan Ф = 20/12.6 = 1.5873
Ф = tan ^-1(1.5873) = 57.78°
4 0
3 years ago
What does z represent their cuz I don't know about it
algol13
X represents the number of weeks the bird feeders are filled
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