3 years ago

Legit answers please

Mathematics

1 answer:

svetoff [14.1K]3 years ago

4 0

2nd is 4.8 per minute

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15. Jackson builds legos at a rate of 3 projects per hour. Write

deff fn [24]

Answer:

f(x)=3x

Step-by-step explanation:

This is pretty much slope-intercept form (y=mx+b) but b is not present in this situation. 3 projects per hour (3x).

f(x)=3x and its y-intercept will be (0,0).

6 0

4 years ago

an administrator is asked to file papers in a box which has the following dimensions:height 15cm, width 300mm and depth 0.2m. ca

nalin [4]

Answer:

900cm^3

Step-by-step explanation:

1 cm= 10 mm

x=300mm (criss cross)

1cm*300mm/10mm= 10mm*x/10mm

30cm=x

30cm=300mm

1m=100cm

0.2m=x

1m*x/1m=0.2m*100cm/1m

x=0.2*100cm

x=20cm

0.2m=20cm

l=15cm

w=30cm

h=20cm

v=l*w*h

v=15cm*30cm*20cm

v=450cm^2*20cm

v=900cm^3

6 0

3 years ago

Read 2 more answers

Twice the sum of a number and 3 is the same as 24 less than 7 times the number

kakasveta [241]

2(x+3)=7x-24
2x+6=7x-24
(move 7x to the left by subtracting from both sides, and move the 6 to the right by subtracting from both sides)
-5x=-30
(divide -5 from both sides to get x by itself, and because the 30 and 5 are both negative, two negatives make a positive)
x=6
hope this helped

7 0

4 years ago

You are training for a 5K race. This morning you ran 10 miles in 1 hour. If you run the race at this speed, how many minutes wil

NeX [460]

Answer:

4 hours

Step-by-step explanation:

3 0

3 years ago

Read 2 more answers

Use the x-intercept method to find all real solutions of the equation. x^3-9x^2+11x+21=0

IgorLugansk [536]

We must graph y=x^3-9x^2+11x+21. Please, see the attached file.
Then we see were the graph cuts the x-axis, and these values of x are the real solutions of the given equation:

The real solutions of the given equation are:x = -1, 3, and 7

7 0

3 years ago