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balandron [24]
2 years ago
12

Estimate the area of the rectangle. A)8 B)10 C)14 D)20

Mathematics
1 answer:
seraphim [82]2 years ago
7 0

Answer:

A or B, I think it's A...

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Anthony drove 765 miles in two days. At this rate, how many miles will he drive in 3.5 days
rosijanka [135]

Answer:

1,338.75 miles in 3.5 days.

Step-by-step explanation:

What I did was first, 765/2=382.5

Then I did 382.5x3.5=1338.75(rounded 1339 or 1340)

Hope this helps.

4 0
2 years ago
Read 2 more answers
What is the slope of a line parallel to the line -3x + 5y = -10?
mel-nik [20]
Y=0.6x+5 is the slope of a line parallel to the line -3x+5y=-10
4 0
3 years ago
There are 140 legs on a planet zids have 5 legs and zods have 7 legs h=how many soulutions are there
abruzzese [7]
Number of zids=x
number of zods=y
number of zid legs=5x
number of zod legs=7y

so
5x+7y=140
try to get it into slope intercept from so you can graph is (y=mx+b)
5x+7y=140
subtract 5x from both sides
7y=140-5x
divide both sides by 7
y=20-5/7x
y=-5/7x+20

plug in numbers for x and get numbers for y (you can only plug in multiples of 7 for x so that there are a whole number of zids and since you are counting, x and y must never be negative)

lets try 0 for x

y=-5/7(0)+20
y=20
 so x=0 and y=20 is an answer (if you can have only one of that species)


lets try 7 for x
y=-5/7(7)+20
y=-5+20
y=15

so x=7 and y=15 is an answer


lets try 14 for x

y=-5/7(14)+20
y=-10+20
y=10

so x=14 and y=10 is another answer


lets try 21 for x
y=-5/7(21)+20
y=-15+20
y=5

so x=21 and y=5 is another answer


lets try 28 for x
y=-5/7(28)-20
y=-20+20
y=0

so x=28 and y=0 is an answer (if there can be only one of a species)


if we go further, then y will be negative so the answers are

(x,y)
(0,20)
(7,15)
(14,10)
(21,5)
(28,0)

if it is allowed that only one species exists then there are 5 possible answers
if both must exist simultaneously, then there are only 3 answers
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8 0
3 years ago
Dana painted a wall in her bedroom that is 10.5 feet tall and 23.5 feet wide. She used exactly 3 quarts of paint to cover the wa
Alenkasestr [34]
Multiply 10.5 and 23.5 to get 246.75. Divide that by 3 and you have your answer, 82.25.
6 0
3 years ago
(07.06 LC)
navik [9.2K]

Answer:Its O.x^2-4x-21

Step-by-step explanation:

(x-7)(x+3)we multiplie one value with anothet in different brackets and we get x^2+3x-7x-21,add same constant with x and u get .O

4 0
3 years ago
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