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Minchanka [31]
3 years ago
12

− 3 − {3 − [ − 3(2 +4) − ( − 2)]}

Mathematics
1 answer:
Readme [11.4K]3 years ago
4 0
-22 is the answer i got
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If you multiply the four-digit number abcd by 4, the order of digits will be reversed. That is, abcd x 4=dcba. The digits a, b,
Arisa [49]
The given is that A B C D <span>x 4 = D C B A
</span><span>
Possible values of A are 1 or 2. It can't be 1 since the </span><span> </span><span>final result A is in unit place and 1 is not possible when we multiply any number by 4
</span><span>
2 B C D x </span><span>4 = </span><span>D C B 2</span>
It is clear above, that D = 8
2 B C 8 x <span>4 = </span><span>8 C B 2</span>
Possible values of B should be 1 or 2
We try B=1

2 1 C 8 x <span>4 = </span><span>8 C 1 2

</span>To find for C, you can use the equation:

(2000+100+10C+8) x 4 = 8000+100C+10+240C = 432-12 = 420
Therefore,

C = 7
So, the number is 2178.
5 0
3 years ago
Read 2 more answers
Global mean temperature was changing the most rapidly in 2005. How quickly was the temperature changing in 2005
AysviL [449]

The temperature was changing at a rate of 2.925 degrees Celsius in 2005

<h3>How to determine the rate in 2005</h3>

From the graph (see attachment), we have the following ordered pair

(x,y) = (5,14.625)

The above means that, the temperature in 2005 is 14.625 degrees Celsius

So, the rate in 2005 is:

Rate = \frac{14.625}{5}

Rate = 2.925

Hence, the temperature was changing at a rate of 2.925 degrees Celsius in 2005

Read more about average rates at:

brainly.com/question/8728504

4 0
2 years ago
4. If Sean has about 130 pieces of candy, what
Lerok [7]

Answer:

EXPLAIN

Step-by-step explanation:EXPLAIN

EXAMPLE

6 0
2 years ago
What is 92.583 rounded to the nearest tenth
miskamm [114]
92.6, you round 5 up because of the 8.
4 0
3 years ago
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A plumber uses the expression 48 + 25h to determine the number of dollars to change each customer. If H = 4 how much does the cu
Oliga [24]

If H = 4, we simply plug 4 into the position of h in the expression.

48 + 25 * 4

48 + 100

148

The customer pays $148

5 0
3 years ago
Read 2 more answers
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