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Lana71 [14]
4 years ago
6

Fiona has 212 stickers to put in her sticker book. Each page holds 18 stickers. How many pages does Fiona need for all of her st

ickers?
Mathematics
1 answer:
iVinArrow [24]4 years ago
4 0

Answer:


Step-by-step explanation:

18 stickers------1 page

212 stickers------x pages

For this we can write equation like that:

18*X = 212*1

18x=212

X=11.7777= It means Fiona needs 12 pages for using all these stickes.

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20 points
densk [106]

Answer:

<h2>B.</h2>

Step-by-step explanation:

A polynomial is an expression consisting of variables and coefficients, that involves only the operations of addition, subtraction, multiplication, and non-negative integer exponents of variables.

A.\ \dfrac{7}{x^2}=7x^{-2}\qquad\bold{NOT}\\\\B.\ x-\sqrt7\qquad\bold{YES}\\\\C.\ \dfrac{7}{\sqrt{x}}=7x^{-\frac{1}{2}}\qquad\bold{NOT}\\\\D.\ \sqrt{7x}=\sqrt7\cdot\sqrt{x}=\sqrt7 x^\frac{1}{2}\qquad\bold{NOT}

5 0
3 years ago
Which equation when graphed has a maximum value at x = −2? A) y = −x2 − 20x − 16, B) y = −x2 − 16x − 12, C) y = −4x2 − 20x − 16,
KonstantinChe [14]

Answer:

Option D. y=-4x^{2} -16x-12

Step-by-step explanation:

using a graphing tool

Graph and determine the vertex in each case

we know that

If the equation has a maximum value at x=-2, then the x-coordinate of the vertex must be  equal to -2 and the parabola open downward

case A) y=-x^{2} -20x-16

The vertex is the point (-10,84)

case B) y=-x^{2} -16x-12

The vertex is the point (-8,52)

case C) y=-4x^{2} -20x-16

The vertex is the point (-2.5,9)

case D) y=-4x^{2} -16x-12

The vertex is the point (-2,4) -------> is the answer

see the attached figure

6 0
3 years ago
The coordinates below represent two linear equations. How many solutions does this system of equations have?
d1i1m1o1n [39]
Use the points to find the equations of both your lines.
By using the formula for finding slope where: m = (y2-y1) / (x2-x1)
Your first equation is             y = -2x+4
Your second equation is        y = -2x+7
Normally you want to set these equal to each other and see where they are equal... however, as you can clearly see, these two equations are parallel. Parallel equations don't intersect, which would mean your answer is A, no solutions.
3 0
3 years ago
The table shows the results of drawing colored marbles from a bag.  ( i think it is 100 but i don't know)
sladkih [1.3K]
The answer is A 100
because if you divide 1000by 100 your answer would be 100 
because of the math
7 0
4 years ago
Are the following lines are parallel ,perpendicular or neither
Art [367]

Answer: parallel

they just are <3

3 0
3 years ago
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