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svet-max [94.6K]
4 years ago
10

Express -23/45 as a decimal

Mathematics
1 answer:
Marrrta [24]4 years ago
8 0
To do this you must divide the two numbers -23÷45 is -0.511111....
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One is a square with 4 sides and the other is a hexagon with 8
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3 years ago
Hannah has $3.10 in her piggy bank in nickels and quarters. If there are 22 coins in her piggy bank, how many are nickels and ho
PIT_PIT [208]

Answer:

12\ nickel

10\ quarter

Step-by-step explanation:

we know that

1\ nickel=\$0.05

1\ quarter=\$0.25

Let

x------> the number of nickel coins

y-----> the number of quarter coins

we know that

x+y=22

x=22-y -----> equation A

0.05x+0.25y=3.10 ----> multiply by 100 both sides

5x+25y=310 -----> equation B

Substitute equation A in equation B and solve for y

5(22-y)+25y=310

110y-5y+25y=310

20y=310-110

20y=200

y=10\ quarter

x=22-y  ------> x=22-10=12\ nickel

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3 years ago
PLZ HELP ME!!!!!!!!!!!!!
laila [671]

Answer:

1. Commutative Property

2. Associative Property.

3. Identity Property.

4. Distributive Property.

3 0
3 years ago
What is the volume of a cone with a radius of 12 and a height of 8?
nadya68 [22]

Answer:

Volume of a cone= \frac{1}{3} \pi r^{2}h

=\frac{1}{3}×\frac{22}{7}×144×8

=\frac{22}{21}×144×8

=1206.86cm^{2}

Step-by-step explanation:

8 0
3 years ago
This expression, 1.8C + 32, shows how to convert from degrees Celsius to degrees Fahrenheit, where C represents the temperature
Arte-miy333 [17]
1.8C +32
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45 + 32
77 degrees Fahrenheit.
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8 0
3 years ago
Read 2 more answers
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