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Ber [7]
3 years ago
8

Write an expression for the sentence, 2 less than 9 times z

Mathematics
2 answers:
docker41 [41]3 years ago
6 0

Answer:

9z-2

Step-by-step explanation:

nekit [7.7K]3 years ago
3 0

9z-2

9 times z = 9z

2 less = 9z - 2

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Circle.center:(2,-5).radius:9
Kaylis [27]

Answer:

Step-by-step explanation:

eq. of circle with center (h,k) and radius=r is

(x-h)²+(y-k)²=r²

reqd. eq. is

(x-2)²+(y+5)²=9²

8 0
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You make $443 per week, and have claimed five exemptions. How much money will be withheld from you in a year? For weekly gross i
disa [49]

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Choice A. $2,392 is the correct answer :)

Step-by-step explanation:

3 0
3 years ago
The tree is tilted 14 degrees. Find the value of x
Mashutka [201]
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3 years ago
Read 2 more answers
5x^2-2x=2<br>help plsmmm​
Yuki888 [10]

Answer:

Presumably you're solving for x here?  Without further information we'll assume that.

With that in mind, x is approximately equal to 0.86 and -0.46

Step-by-step explanation:

Let's start by putting it in the usual ax² + bx + c format.

5x^2- 2x = 2\\5x^2 - 2x - 2 = 0\\

let's solve it.  First we'll multiply both sides by five, making the first term a perfect square:

25x^2 - 10x - 10 = 0\\

Now we'll add 11 to both sides:

25x^2 - 10x + 1 = 11\\

Which makes the left side a perfect square:

(5x - 1)^2 = 11

And now we can solve for x:

(5x - 1)^2 = 11\\\\5x - 1 =  \sqrt{11} \\\\5x = 1 + \sqrt{11}\\\\x = \frac{1 + \sqrt{11}}{5}

Note that there's no apparent way of drawing the ± symbol when editing equations, so take that + sign as actually being ±.

That gives us two answers:

x = \frac{1 + \sqrt{11}}{5}\\\\x \approx \frac{1 + 3.32}5\\\\x \approx \frac{4.32}5\\\\x \approx 0.86             x = \frac{1 - \sqrt{11}}{5}\\\\x \approx \frac{1 - 3.32}5\\\\x \approx \frac{-2.32}5\\\\x \approx -0.46

7 0
2 years ago
Help with 13 and 14 please
nika2105 [10]

Answer:

I think the answer to the first question is "B"

and the second one is "D"

Step-by-step explanation:

7 0
3 years ago
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