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Reil [10]
3 years ago
15

1÷4+3 how do I answer this?

Mathematics
2 answers:
lara [203]3 years ago
7 0
You have to divide 4 and 1 and add 3 which equals 7
riadik2000 [5.3K]3 years ago
5 0
Firstly, 1/4 can remain as a fraction. 

Adding three would make it 3 and 1/4 as a mixed number, or 13/4 as an improper fraction.

We can also write this as a decimal: 3.25
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A rectangular room is 3 times as long as it is wide, and its perimeter is 48 meters. Find the dimension of the room.
nekit [7.7K]

Length: 12

Width: 4 since 12x4=48 and length is 3 times as long as it is wide.

7 0
3 years ago
Question 9 (3 points)
Lilit [14]

Answer:

Precambrian period

Step-by-step explanation:

Since the Great oxidation period = 2.4 Billion years ago era = Precambrian period.

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7 0
2 years ago
38) The length of a rectangle is 15.6 cm correct to 1 decimal place.
Ede4ka [16]

Answer:

38.75

Step-by-step explanation:

perimeter = 2(15.6+3.8) =38.8

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6 0
3 years ago
a rectangle is 4 times as long as it wide. if the length is increased by 4 inches and the width is decreased by 1 inch, the area
Mekhanik [1.2K]
x-\ width\\
y-\ length\\
4x=y\\
(y+4)(x-1)=60\\
(4x+4)(x-1)=60\\
4x^2-4x+4x+4=60\ \  | subtract\ 4\\
4x^2=56\ \ | divide\ by\ 4\\
x^2=14\\
x=\sqrt{14}\\
y=4\sqrt{14}\\\\
Dimensions:\ width=\sqrt{14}in,\ length=4\sqrt{14}in.
6 0
3 years ago
Divide 17.9 by 2.38 round your answer to the nearest tenth
Likurg_2 [28]

Nearest tenth is the number right after the decimal. If the number to the right of it is 4 or lower leave it how it is, and if the number to the right of it is 5 or greater than round up one.

17.9/2.38 = 7.521 ... Answer is = 7.5


8 0
2 years ago
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