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Wittaler [7]
2 years ago
14

A number that is equal to x less than 80

Mathematics
1 answer:
krok68 [10]2 years ago
6 0

Answer:

# = 80 - x

Step-by-step explanation:

You can't solve it :/ I don't think

I hope this helped

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Store A is advertising a sale that will reduce prices on all merchandise by 15%. Store B is advertising a sale that will reduce
dalvyx [7]
Store A = 15% Store B = 1/5 = 20% 20-15 = 5% Store B is reducing by 5% more, so c
7 0
3 years ago
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Find ST if S(-3, 10) and T(-2, 3)
FrozenT [24]

We have the following points and their coordinates:

\begin{gathered} S(-3,10), \\ T(-2,3). \end{gathered}

We must compute the distance ST between them.

The distance ST between the two points is given by:

ST=\sqrt[]{(x_S-x_T)^2+(y_S-y_T)^2_{}},

where (xS,yS) are the coordinates of the point S and (xT,yT) are the coordinates of the point T.

Replacing the coordinates of the points in the formula above, we find that:

\begin{gathered} ST=\sqrt[]{(-3_{}-(-2)_{})^2+(10_{}-3_{})^2_{}}, \\ ST=\sqrt[]{1^2+7^2}, \\ ST=\sqrt[]{50}\text{.} \end{gathered}

Answer: ST = √50

3 0
1 year ago
solve this word problem leading to quadratic equation: the area of a rectangle is 60cm². The length is 11cm more than the width.
morpeh [17]

Answer:

Step-by-step explanation:

let : x The length and y the width you have this system :

xy =60....(1)

x = y+10...(2)

put the value for x in (1):  (y+10)y =60

the quadratic equation is : y² +10y - 60 = 0

Δ =b² - 4ac        a = 1        b= 10      c= - 60

Δ =10² - 4(1)(-60) = 324 =18²

y 1 = (-10-18)/2 negatif...... refused

y 2 = (-10+18)/2 =4

the width is 4

8 0
3 years ago
What’s 1 Apple plus 1 apple
Sphinxa [80]

Answer:

2apples

Step-by-step explanation:

5 0
3 years ago
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IMPORTANT HELP HURRY
Zanzabum
Let Bea = x
Therefore Andrew = x + 2
Chris = x - 3

Andrew * Chris = 66
(x + 2)(x - 3) = 66 Remove the brackets.
x^2 + 2x  - 3x - 6 = 66
x^2 - x - 6 = 66 Subtract 66 from both sides.
x^2 - x - 72 = 0
(x - 9)(x + 8) = 0
Find the possible values of Bea's age

x - 9 = 0
x = 9 That value works. She can be plus 9 years old.

x + 8 = 0
x = - 8. There's no way she can be - 8 years old
  
So Bea is 9. 
9 <<<<<< Answer
6 0
3 years ago
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