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andriy [413]
3 years ago
9

Which answer choice shows the correct set up for the right hand sum with 3 rectangles of equal length to find the area between t

he graph of the function and the x-axis?
f ( x ) = 3 x − 8 , [ − 3 , 3 ]

Group of answer choices

( 3 ( − 1 ) − 8 ) ( 2 ) + ( 3 ( 1 ) − 8 ) ( 2 ) + ( 3 ( 3 ) − 8 ) ( 2 )

( 3 ( − 1 ) − 8 ) ( 3 ) + ( 3 ( 1 ) − 8 ) ( 3 ) + ( 3 ( 3 ) − 8 ) ( 3 )

( 3 ( − 3 ) − 8 ) ( 2 ) + ( 3 ( − 1 ) − 8 ) ( 2 ) + ( 3 ( 1 ) − 8 ) ( 2 )
Mathematics
1 answer:
babymother [125]3 years ago
5 0

Answer:

the top answer

Step-by-step explanation:

right hand Riemanns are an over approximation, so it would include higher number sets.

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Alvin is planning to be out of town for the day, so he asks a friend to dog-sit his 3 dogs. Each dog eats 0.5 pounds of food eve
german

Answer:

2 cans

Step-by-step explanation:

Calculate how many pounds he needs for one day:

3(0.5)=1.5 pounds for each day Alvin is gone ( 3 represents his dogs, .5 is each dog's food)

Convert into ounces:

1.5*16=24 ounces for one day

Question: If dog food is sold in 12 oz cans, how many will he need?

24/12=2 cans

Thus, he will need 2 cans

6 0
3 years ago
DAY 27, MAY 7, 2020
KengaRu [80]
If I’m not mistaken, the answer is C.
5 0
3 years ago
Read 2 more answers
Given: AB || CD
jarptica [38.1K]
First, find slope of point A and B using slope formula:
<u>y2-y1</u> = <u>7-0 </u>= <u>-7</u>
x2-x1    3-8     5

Next, use the point-slope formula to find the equation (pick either point A or B to substitute into this equation; the answer will be the same either way):
y-y1=m(x-x1)
y-7=<u>-7</u>(x-3)   (I used point B here)
        5
y=<u>-7x</u> +<u>56</u> so the y-intercept is <u>56</u>. Hurray! Part 1 down!
<span>     5      5                                   5

Now to answer part 2. Since AB ll CD, they have the same slope: <u>-7</u>
                                                                                                         5
Therefore, you can use the handy point-slope equation to calculate the equation of line CD. (Remember you only need one of the points to use this equation if you already have the slope.) Since the only point given is D(5,5), we'll use that one:
</span>y-y1=m(x-x1)
y-5=<u>-7</u>(x-5)
<span>        5
</span>y=<u>-7x</u> + 12 Yay! That's the answer to part 2; the equation of line CD
<span>     5</span>
3 0
3 years ago
grace rides her bike with a constant speed of 18 km/h how long will she take to travel a distance 72 kilometers
atroni [7]
If she rides her bike 18 km per hour
then it will take 4 hours to travel 72 km (72÷18)
the answer is 4
7 0
4 years ago
Your class hopes to collect at least 325 cans of food for the annual food drive. there were 135 cans donated the first week and
vampirchik [111]

They have collected 135+89=224 cans until now. To equal 325, they need 325-224=101 cans more.

A.

Let C be the number needed to equate atleast 325.

135+89+C\geq 325


B.

If we solve the inequality in part A, we can find minimum number of C to meet the goal of 325 cans.

135+89+C\geq 325\\224+C\geq325\\C\geq325-224\\C\geq101

<em>So they need minimum 101 to complete the target and more than that to surpass.</em>

ANSWER: 101 cans are needed to meet the goal and more than that to surpass the goal.

5 0
3 years ago
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