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3 years ago

11

When solving multi-step problems, what is normally done first?

1 answer:

serious [3.7K]3 years ago

3 0

Answer:

Read and Visualize.

Step-by-step explanation:

The first thing we do with a multi-step word problem is read it slowly and visualize what is happening. This first step is about using our good reading comprehension strategies. I ask students to close their eyes and imagine the events as they take place.

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What is the measure of ZR in APQR? Round to the

geniusboy [140]

Answer:26°

Step-by-step explanation:

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4 years ago

..vertex: (4, -1)<br> f(3) = -6

s344n2d4d5 [400]

Answer:

$\huge\boxed{f(x)=-5(x-4)^2-1=-5x^2+40x-81}$

Step-by-step explanation:

The vertex form of an equation of a parabola:

$f(x)=a(x-h)^2+k$

$(h;\ k)$ - vertex

We have

vertex $(4;\ -1)\to h=4;\ k=-1$

$f(3)=-6$

Therefore we have:

$f(x)=a(x-4)^2+(-1)=a(x-4)^2-1$

Substitute $x=3$ and $f(3)=-6$

$a(3-4)^2-1=-6\qquad|\text{add 1 to both sides}\\\\a(-1)^2=-6+1\\\\a(1)=-5\\\\a=-5$

Finally:

$f(x)=-5(x-4)^2-1=-5(x^2-2(x)(4)+4^2)-1\\\\=-5(x^2-8x+16)-1=-5x^2+(-5)(-8x)+(-5)(16)-1\\\\=-5x^2+40x-80-1=-5x^2+40x-81$

4 0

4 years ago

WHY DOES NOBODY SEE MY QUESTIONS

Vera_Pavlovna [14]

Answer:

90 points lol

Step-by-step explanation:

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2 years ago

Read 2 more answers

The weight of oranges growing in an orchard is normally distributed with a mean

katrin2010 [14]

Answer:

The percentage is 95.45%

Step-by-step explanation:

In this question, we are tasked with calculating the percentage of oranges weighing between a particular range.

To do this , we use the z-scores of both numbers in the range.

Mathematically, z-score can be calculated as (x - Mean)/SD

Thus we have P(3 <x < 7) = P( (3-5)/1 < z < (7-5)/1)

= P( -2 < z < 2)

Using standard score table, we have

P(-2<z<2) = 0.9545

The percentage is thus 9545/100 = 95.45

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3 years ago

Explanation please?<br> Happy Valentine's!

ratelena [41]

Answer: First option

Step-by-step explanation:

When you divide you switch the numerator and denominator, so it becomes (15y^2)/30x. You can divide the top and bottom by 15 so you get y^2/2x

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3 years ago