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kati45 [8]
3 years ago
6

Simplify the expression. (1423 – 2x2 + 3x – 7) – (328 + 142 – 10)

Mathematics
1 answer:
Lubov Fominskaja [6]3 years ago
3 0

Answer:

-2x^2+3x+956

Step-by-step explanation:

If you want to do math easier, just look up symbolab.com and it will show you the right answers and how to do the problems.

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Find the angle of an supplement of an angle that measures 89
Leni [432]

It'll be an acute angle, because a right angle would've been 90° but it's 89°. An obtuse angle would've been over 90°.

6 0
3 years ago
Help please and thank youuu
jeka94

Answer:

4.  last one

5. last one

Step-by-step explanation:

7 0
3 years ago
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Solve 6|y| + 6 = 4<br>answers:<br>0<br>{-6,4}<br>{-4,4}<br>{0}​
lesya [120]

Answer:

the real answer is -1/3

Step-by-step explanation:

6lyl +6=4 subtract 6 from both sides

6lyl =-2 divide both sides by 6

lyl = -1/3

But absolute value is always a positive quantity, so this is impossible.....

5 0
3 years ago
Write a pair of numbers such that the value of the 7 in the first number is 1000 times the value of the 7 in the second number,
telo118 [61]

<u>Answer-</u>

As infinitely many such possible number pairs can be formed, one of the instances of such pair would be (37000 and 307).

<u>Solution-</u>

Suppose the former one is aaaaa and the later one is bbbbb.

The value of 7 in the former is 1000 times greater than in the later, so let's make it 7000 and 7.

Then the numbers will be in the following form,

a7aaa and bbbb7

Again, the value of 3 in the former is 100 times greater than in the later.

Then the numbers will be in the following form,

37aaa and bb3bb7

Substituting all the a's and b's by 0,

we get, 37000 and 307 is a possible set. Replacing 0 with any number from 1-9, will yield another number pair which will satisfy the conditions.


6 0
4 years ago
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The width of a rectangle is 2 cm less than its length. The perimeter of the rectangle is 16 cm. What are the dimensions of the r
Troyanec [42]

Answer:

Width=3 cm

Length=5 cm

6 0
3 years ago
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