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EastWind [94]
3 years ago
7

PLZZ HELP PLZZ ALSO CAN U SHOW HOW U DID THE WORK PLZZ

Mathematics
1 answer:
ioda3 years ago
8 0

1) If you round 14.567 to the tenths place, the answer is 14.6, ie., don't put in the trailing zeros because they would give a false sense of accuracy.

2) 35/100 is 0.35 and so is 3/10 + 50/1000. The latter boils down to 0.3 + 0.05.

3) Correct. The 4 in 476907 has the 100000 unit, and the 4 in 253491 has the unit 100. The factor to get from 100 to 100000 is 1000.

4.1) 21532.41. Every digit is presented with its unit, so you could also rewrite this as a big addition:

20000

 1000

   500

     30

       2

       0.4

       0.01

------------- +

21532.41

4.2) Divide by ten = move the decimal point to the left. Answer a.

5) Numbers that are smaller than 4.5 can be found by just looking at the numbers up to and including first tenth. If that is smaller than 4.5, they go in the left box. So 4.4999999999 is smaller, despite all the 9's.

Same for bigger than 4.5. The additional digits can't make it smaller...

4.8, 4.75, 4.6 and 4.89 are bigger, the rest is smaller.


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Jillian invested $2000 in an account with a 1.25% annual
Dennis_Churaev [7]

Answer:

the balance is 2075 dollars

Step-by-step explanation:

The answer is 2075 because 1.25% of 2000 is 25 and 25 multiplied by 3 is 75 and 75 plus 2000 is 2075.

P.S Can I have brainliest?

5 0
3 years ago
If a container contains 18,000 ounces (oz) of beans, about how many pounds (lb) does it contain? [1 pound = 16 ounces] 70 lb 1,1
Margarita [4]

Answer:

The answer is B. 1,125

Step-by-step explanation:


8 0
2 years ago
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Your furniture store sells two types of dining room tables. The first, type A, costs $210 and you make a $21 profit on each one.
Mumz [18]

Answer: We should order 40 dining room tables type “A” and 90 dining room tables type “B” if we want to minimize our cost.

Please, see the attached files.

Thanks.

7 0
3 years ago
How do you find area and perimeter of a rectangle with the side lengths of 5x^2 and 12x?
valentinak56 [21]

Answer:

The area can be found by multiplying the two terms, and the perimeter by doubling and adding them.

Using this, we find that the area of the rectangle is 60x³, and the perimeter is 10x² + 24x.

Step-by-step explanation:

First let's find the area:

5x² × 12x

= 60x³

Now the perimeter:

2(5x² + 12x)

= 10x² + 24x

8 0
3 years ago
How many different linear arrangements are there of the letters a, b,c, d, e for which: (a a is last in line? (b a is before d?
inna [77]
A) Since a is last in line, we can disregard a, and concentrate on the remaining letters.
Let's start by drawing out a representation:

_ _ _ _ a

Since the other letters don't matter, then the number of ways simply becomes 4! = 24 ways

b) Since a is before d, we need to account for all of the possible cases.

Case 1: a d _ _ _ 
Case 2: a _ d _ _
Case 3: a _ _ d _
Case 4: a _ _ _ d

Let's start with case 1.
Since there are four different arrangements they can make, we also need to account for the remaining 4 letters.
\text{Case 1: } 4 \cdot 4!

Now, for case 2:
Let's group the three terms together. They can appear in: 3 spaces.
\text{Case 2: } 3 \cdot 4!

Case 3:
Exactly, the same process. Account for how many times this can happen, and multiply by 4!, since there are no specifics for the remaining letters.
\text{Case 3: } 2 \cdot 4!

\text{Case 4: } 1 \cdot 4!

\text{Total arrangements}: 4 \cdot 4! + 3 \cdot 4! + 2 \cdot 4! + 1 \cdot 4! = 240

c) Let's start by dealing with the restrictions.
By visually representing it, then we can see some obvious patterns.

a b c _ _

We know that this isn't the only arrangement that they can make.
From the previous question, we know that they can also sit in these positions:

_ a b c _
_ _ a b c

So, we have three possible arrangements. Now, we can say:
a c b _ _ or c a b _ _
and they are together.

In fact, they can swap in 3! ways. Thus, we need to account for these extra 3! and 2! (since the d and e can swap as well).

\text{Total arrangements: } 3 \cdot 3! \cdot 2! = 36
7 0
3 years ago
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