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Zina [86]
3 years ago
15

Jack the kangaroo hopped 50 yards in the same time that a young kangaroo hopped 10 feet. How many more feet did Jack hop? ft

Mathematics
2 answers:
nasty-shy [4]3 years ago
4 0
Ack hopped a total of 150 feet, that is 140 over what the young kangaroo hopped
fiasKO [112]3 years ago
3 0
Distance Jack hopped = 50 yards
Distance Jack hopped = 50 x 3 = 150 feet

Distance young kangaroo hopped = 10 feet.

Difference = 150 - 10 = 140 feet
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nadya68 [22]
7 – 2 • 5 + 9 • 3
A.24
8 0
3 years ago
PLEASE HELP I ONLY HAVE 10 MINS!!
lbvjy [14]
The answer to both equations is 'A'. For the first you just input the value of 20 to replace n and get 700. (Side-note: the number 20, which is your variable, should be nowhere in the function so you know b is wrong). so now that you have your answer 700 the second part is self explanatory.


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Find equations of the lines passing through (−2, 3) and having the following characteristics.
elena-s [515]

Answer:

a.y=13/16x+37/8

b.y=3/2x+6

c.y=3/4x+9/2

d.x=-2

Step-by-step explanation:

All lines must pass through (-2,3)

a. The slope must be 13/16;

y=13/16x+b, SInce it must pass through (-2,3), plug in -2 as the x-value and 3 as the y-value

3=13/16(-2)+b, solve for b.

24/8=-13/8+b

37/8=b

y=13/16x+37/8

b, It must be parallel to the line 3x-2y=2; first, find the slope by converting to y=mx+b

3x-2y=2

-2y=-3x+2

y=3/2x-1, Parallel lines have the same slope so a line parallel to 3x-2y=2 and passing through (-2,3) will have a slope of 3/2.

Plug in (-2,3) to find the b-value again.

(3)=3/2(-2)+b

3=-3+b

6=b

y=3/2x+6

c. It must have a line perpendicular to 4x+3y=6.  Again like in b, find the slope.

y=-4/3+2, the slope is -4/3.

Now, perpendicular lines have the opposite inverse slopes which means that you add a negative sign and flip the numerator and denominator

-(-3/4), this is just 3/4

Ok, the slope of the line is 3/4, plug in (-2,3) to find the b-value again.

(3)=3/4(-2)+b

6/2=-3/2+b

9/2=b

y=3/4x+9/2

d. The line is paralell to the y-axis.

This just means that the line is vertical. The line has no slope.

The vertical line that passes through the x-value -2 is x=-2

x=-2

5 0
3 years ago
(6.8x10^2) x (1.3x10^-3) answer as standard form
adell [148]

Answer:

0.884

Step-by-step explanation:

You first do the exponents, do the foil, combine like terms and In the end your result will be 0.884.

6 0
3 years ago
There are 5 animals in the field. Some are horses and some are ducks. There are 14 legs in all. How many of each animal are in t
wariber [46]

Answer:

2 horses and 3 ducks

Step-by-step explanation:

2 horses*4 legs=8 legs

3 ducks*2 legs=6 legs

Add both

8+6=14 legs

4 0
3 years ago
Read 2 more answers
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