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Oliga [24]
3 years ago
9

Please answer this !! I really need help

Mathematics
1 answer:
lukranit [14]3 years ago
6 0

2√5 + 3√5 - √5

= √5(2 + 3 - 1)

= 4√5

Answer is the last one

4√5

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The best fit line is given by the equation y = 0.404x - 5.18, where y represents the height of the plant above ground level, and
IRISSAK [1]

Step-by-step explanation:

<u>The line of best fit given:</u>

  • y = 0.404x - 5.18

<u>It is given in the slope-intercept form:</u>

  • y = mx + b, where m- slope, b - y-intercept

The slope is this situation is m = 0.404 cm and it represents the average growth rate of the plant in one day.

It seems reasonable but without means of control it is difficult to trace the growth while still under the ground, during the first 13-14 days.

4 0
2 years ago
I understand the switching of positive and negative signs but I don’t understand how to get to the next step which is the answer
Finger [1]
2ab - 3a = a.(2b-3)

now the same thing

let's say n=1

a.(2b-3) + n.(2b-3) = (2b-3).(a+n)

Understood?

6 0
3 years ago
Juan's family and Ethan's family go to a food stand.
Rasek [7]

Answer:

1 hotdog is $3.5.

1 drink is $2.

Step-by-step explanation:

18.50= 3x+4y(times 5)

25.50=5x+4y(times -3)

92.5=15x+20x

-76.5=-15x+-12y

16=-8y

2=y

18.50=3x+4(2)

10.50=3x+8

10.50=3x

3.5=x

           

3 0
2 years ago
4[5(12+3)-2]-7 please help I'm stuck on this fifth grade math problem
ehidna [41]
<em>two hundred and eighty five</em>
3 0
3 years ago
Read 2 more answers
Evaluate the expression (2x + y) +5 when x = 4, y = 10.
Maru [420]

Answer:

The answer is 23.

Step-by-step explanation:

Our equation here is (2x + y) + 5.

If x=4, and y=10, let's plug that in into our variables, and simplify!

[2(4) + (10)] + 5

= [8+10] + 5

=[18] +5

=23

7 0
3 years ago
Read 2 more answers
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