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svet-max [94.6K]

4 years ago

10

Express -23/45 as a decimal

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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35 POINTS!!! Laura is constructing an inscribed square. Gavin is constructing an inscribed regular hexagon. In your own words, d

Nikolay [14]

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

$5(22-y)+25y=310$

$110y-5y+25y=310$

$20y=310-110$

$20y=200$

$y=10\ quarter$

$x=22-y$ ------> $x=22-10=12\ nickel$

7 0

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

=1206.86 $cm^{2}$

Step-by-step explanation:

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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
1.8x25 +32
45 + 32
77 degrees Fahrenheit.
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3 years ago

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