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Inessa05 [86]
3 years ago
5

Number 7.. need help

Mathematics
2 answers:
poizon [28]3 years ago
4 0

Answer:

3/4

Step-by-step explanation:

-9/4+3=-9/4+12/4=3/4

jeka57 [31]3 years ago
4 0

Answer:

Exact form: -21/4 Decimal Form: -5.25 Mixed # Form: -5 1/4 if wrong sorry

Step-by-step explanation:


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F(x) = 2x^2-x-1<br> if f(x) = -1, what is x? What point(s) are on the graph<br> of f ?
Elina [12.6K]

Answer:

x = 0, x = 0.5 or 1/2 The points on the graph are ( -1/2 or -0.5,0 ) and ( 1,0 )

Step-by-step explanation:

2x^2-x-1 = -1

2x^2-x = 0

x(2x-1) = 0

x=0

x=0.5 or 1/2

8 0
3 years ago
Translate the sentence into an equation.
Andreas93 [3]
<h2>Translating Sentences into Equations</h2>

A key part of this is recognizing certain words to change into operations or numbers:

  • <em>quotient</em> = divide
  • <em>three more</em> = add 3
  • <em>'a/the number' </em>= use a variable (in this case, it's <em>w</em>)

<h2>Solving the Question</h2>

We're given:

  • Three more than the quotient of a number and 7 equals 6
    ⇒ 'the quotient of a number and 7' tells us we divide <em>w</em> by 7:
  • Three more than \dfrac{w}{7} equals 6
    ⇒ 'three more than' means we add 3 to the fraction:
  • \dfrac{w}{7}+3 equals 6
  • \dfrac{w}{7}+3=6

<h2>Answer</h2>

\dfrac{w}{7}+3=6

5 0
2 years ago
Ratio of boys to girls in a class of 27 is 1:2 how many boys will there be?
labwork [276]

Answer:

Ratio of boys is 13.5 i think

Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
It's factoring each polynomial thevequation is. y^2+9y+20
Fofino [41]
What on gods name earth are you doing 
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4 years ago
Is the graph increasing or decreasing​
s344n2d4d5 [400]

Answer:

Depends on how the X and Y values are oriented but if the X value is on the bottom and the Y is on the top, then the graph is decreasing

Step-by-step explanation:

Have a great day!

3 0
3 years ago
Read 2 more answers
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