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swat32
3 years ago
9

|−5| − |−9| (Work The problem out)

Mathematics
1 answer:
LenKa [72]3 years ago
6 0

Answer: -4

Step-by-step explanation: well when it’s absolute value the -5 turns to positive 5 and the value of -9 turns to positive 9. So that leaves 5-9=-4

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In a class of 30 students, 13 of them are boys.
mote1985 [20]

Answer:

56.7%

Step-by-step explanation:

30-13=17

(on a scientific calculator) 17/30=

0.56666667 x 100= 56.7 (round it up)

you can use this method everytime when trying to find a percantge.

6 0
3 years ago
A cylinder has a volume of 187 cubic inches. If the radius is 3 inches, what is the height of the cylinder in inches?
frozen [14]

Answer:

Step-by-step explanation:

V = pi r^2 h

V = 187

pi = 3.14

r = 3

h = ?

187 = 3.14 * 3^2 * h

187 = 3.14 * 9 * h

187 = 28.26 * h

187 / 28.26 = h

h = 6.62

4 0
3 years ago
Read 2 more answers
Please help please help
irga5000 [103]

Answer:

5.26 < 5.4

Step-by-step explanation:

This is generally true, but is also shown by the number line.

4 0
4 years ago
Cindy is making a 21.5 inch necklace. There are beads every 3.25 inches along the necklace from the beginning of the necklace. W
DochEvi [55]

21.5 divided by 3.25

equals 6.615

round up to 6.62

7 0
3 years ago
Christian has a cookie recipe that yields four dozen cookies and calls for 2 1/4 cups white sugar and 3/4 cup brown sugar.cif ch
Paha777 [63]

The ingredients given are for 4 dozen cookies; however, Christian only want to make one dozen, meaning he requires only 1/4 the ingredients.

1/4 of 2 1/4 cups of while sugar is found the following way.

First, we write 2 1/4 as an improper fraction

2\frac{1}{4}=2+\frac{1}{4}=\frac{9}{4}

1/4 of this is

\frac{9}{4}\times\frac{1}{4}=\frac{9}{16}

Hence, Christian requires 9/16 cups of white sugar.

Similarly, the 1/4 of 3/4 cups of brown sugar is

\frac{1}{4}\times\frac{3}{4}=\frac{3}{16}

Hence, Chrisitan requires 3/16 cups of brown sugar.

Therefore, the total cups of sugar required is the sum of

\frac{3}{16}+\frac{9}{16}=\frac{12}{16}=\frac{3}{4}

3/4 cups of sugar.

7 0
1 year ago
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