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HACTEHA [7]
2 years ago
7

If z (x)=25x^2-10x+1 how many values of x will cause z (x) to equal zero

Mathematics
2 answers:
Katyanochek1 [597]2 years ago
5 0

Answer:

» The Alternative explanation is attached in the pic

Answer: x would be 1/5 or 0.2

Ivan2 years ago
4 0

Answer:

x will be equalling to two incase equation to be zero

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Ms. Hatcher bought the pencil decoration shown below for her bulletin board.
Gre4nikov [31]

Answer:

335.5 in^2

Step-by-step explanation:

The area is a rectangle and a triangle

The area of the rectangle is

A = a*b where a is 11 and b is 25

A = 11*25 =275

The area of the triangle is

A = 1/2 b*h  where b is 11 and h is 11

A = 1/2 (11) * 11

A = 60.5

The total area is 275+60.5=335.5

7 0
3 years ago
Read 2 more answers
Expand and simplify (x+5)(x-2)
lukranit [14]

Answer:

x² + 3x - 10

Step-by-step explanation:

Each factor in the second factor is multiplied by each term in the first factor, that is

x(x - 2) + 5(x - 2) ← distribute each parenthesis

= x² - 2x + 5x - 10 ← collect like terms

= x² + 3x - 10

7 0
3 years ago
How many elements are in the set (A,B,C)?<br> O
Svetradugi [14.3K]
I believe it is 0 but I’m not exactly sure
6 0
3 years ago
Name the two subset(s) of real numbers to which the number -10 belongs
mash [69]

Answer:

The positive and negative whole numbers are the Integers. Note that Natural numbers are a proper subset of the Integers which, in turn, is a proper subset of the Rationals. 45,368 is Natural, Whole, Integer, AND Rational.

Step-by-step explanation:

3 0
3 years ago
Can any body help with the word problems
Georgia [21]

Answer:

1) 8x - 9

2) 5x - 2

Step-by-step explanation:

1) Given 8 times the difference between a number x and 9.

This means we should have: $ 8(x - 9) $

Now using the distributive property we distribute 8 to x and 9 like:

$ 8x - 72 $. Thus the answer.

For 2) All the expressions except 4 equals $ 5x - 10 $. The last option is $ 5x - 2 $. Thus the answer.

6 0
3 years ago
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