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gizmo_the_mogwai [7]
3 years ago
5

A school club is selling reflectors for bicycle safety day. Each member is encouraged to sell at least 50 reflectors. You sell 1

7 on Monday and 12 on Tuesday. How many reflectors do you need to sell on Wednesday to meet your goal?
Mathematics
1 answer:
Lena [83]3 years ago
5 0

Total number of reflectors sold on Monday = 17

Total number of reflectors sold on Tuesday = 12

The goal is to sell 50 reflectors.

Let the number of reflectors to be sold on Wednesday be x

So,

17 + 12 + x = 50

29 + x = 50

x = 21

Hence, the person should sell 21 reflectors on Wednesday to meet his goal.



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Which expression is equivalent to x8 - 256?
lyudmila [28]
We have that
case <span>A)
(x – 2)(x + 2)(x</span>²<span> + 8)(x4 + 8) 
(x</span>²-4)(x² + 8)(x4 + 8)

case <span>B)
(x – 2)(x – 2)(x</span>²<span> + 4)(x4 + 16) 
(x-2)</span>²(x² + 4)(x4 + 16) 

case <span>C)
(x – 2)(x + 2)(x</span>²<span> + 4)(x4 + 16) 
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(x4 -16)(x4 + 16)
(x8-256)

case <span>D)
(x + 2)(x + 2)(x</span>²<span> + 4)(x4 + 16)
(x+2)</span>²(x² + 4)(x4 + 16)

the answer is
the option 
<span>C) (x – 2)(x + 2)(x2 + 4)(x4 + 16) </span>
8 0
4 years ago
If f(x)= -3x + 1, then f^-1(x)=
UNO [17]

Answer:

f^-1(x) = (x-1)/-3

Step-by-step explanation:

Invert equation:

Describe X in original function:

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Reverse order:

subtract 1

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8 0
3 years ago
I need help again. once again due TM helppp
vekshin1
Since the object is a cube, times 42 three times by itself. You have to do this because it is length x width x height. 42 x 42 x 42. The answer you're looking for is 74,088 cubic inches because it is three-dimensional.
3 0
3 years ago
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Sabe-se que EF = xcm , GH = (x + 6) cm , RS = 16 cm e NP = 28 cm . Sabendo que EF ,GH , RS ,e NP São, nessa ordem, segmentos pro
Marysya12 [62]

Answer:

The value of x is 8 .

Step-by-step explanation:

It is known that EF = x cm , GH = (x + 6) cm , RS = 16 cm and NP = 28 cm . Knowing that EF ,GH , RS , and NP are, in that order, proportional segments, determine the value of x .

As EF, GH, RS and NP are in proportion

So,

EF : GH = RS : NP

\frac{x}{x+6}=\frac{16}{28}\\\\7 x = 4 (x + 6)\\\\7 x = 4 x + 24 \\\\3 x = 24 \\\\x = 8

7 0
3 years ago
Ronnie's teacher wrote this expression on the board. (-4)(2) + (10/2) What is the value of this expression?
azamat

Answer:

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Step-by-step explanation:

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