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Salsk061 [2.6K]
3 years ago
14

Seventeen more than five times a number is negative twenty three. What is the number?

Mathematics
1 answer:
EastWind [94]3 years ago
6 0
5x+17=-23
Subtract 17 on both sides
5x=-40
Divide by 5 on both sides
X=-8
Double Check:
5(-8)+17=-23
-40+17=-23
-23=-23
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grin007 [14]
For this case we can make the following rule of three:
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AysviL [449]

Step-by-step explanation:

y = x² - 4x + 7

the general vertex form is

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and since we add 4 there, we need to subtract 4 overall again to keep the value of the expression the same :

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2 years ago
Type the correct answer in each box. The volume of a cube is given by and the total surface area of a cube is given by , where s
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Answer:

hope this will help you a lot

7 0
3 years ago
Rationalise: <img src="https://tex.z-dn.net/?f=%5Cfrac%7B%5Csqrt%7B48%7D%20%7D%7B%5Csqrt%7B3%7D%20%7D" id="TexFormula1" title="\
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Answer:

4

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Root(48)/Root(3)

= root(48/3)

= root(16)

=4

7 0
3 years ago
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