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3 years ago

Evaluate expression |3|+-19|

Mathematics

1 answer:

tankabanditka [31]3 years ago

4 0

Answer:

If it suppose to be |3+-19| then the answer is 16

Step-by-step explanation:

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andre [41]

there are 18 marbles all together

4 are red

18÷4= 4.5

percent 4.5%

fraction 4 1/2

decimal 4.5

I'm not sure about the second hald but I hope this helped ^^

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2 years ago

Someone please help it’s for a summative test due today!!

Gnoma [55]

Answer: 100.48 cm

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2 years ago

W=<br> she suznsnsja. s<br> anna abs <br> s<br> sm

vodka [1.7K]

Answer:

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Step-by-step explanation:

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2 years ago

A cone and its dimensions are shown in the diagram. What is the volume of the cone in cubic inches?

Vinvika [58]

Answer:

The exact value of the volume is equal to

$V=19\frac{397}{512}\pi\ in^{3}$

Step-by-step explanation:

we know that

The volume of a cone is equal to

$V=\frac{1}{3}\pi r^{2} h$

we have

$D=5\frac{5}{8}\ in$

convert to an improper fraction

$D=5\frac{5}{8}\ in=\frac{5*8+5}{8}=\frac{45}{8}\ in$

$r=(45/8)/2=\frac{45}{16}\ in$

$h=7\frac{1}{2}\ in=\frac{7*2+1}{2}=\frac{15}{2}\ in$

substitute in the formula of volume

$V=\frac{1}{3}\pi (\frac{45}{16}^{2})(\frac{15}{2})=\frac{30,375}{1,536}\pi\ in^{3}$

Simplify

$\frac{30,375}{1,536}=\frac{29,184}{1,536}+\frac{1,191}{1,536}=19\frac{397}{512}$

substitute

$V=19\frac{397}{512}\pi\ in^{3}$

4 0

3 years ago

A microwave is the only electric device in a 120-volt circuit. If the circuit has 7.5

bogdanovich [222]

The electric power of microwave is 900 watts.

Step-by-step explanation:

Given,

Voltage in the circuit = 120 volts

Current in the circuit = 7.5 amp

Electric power of microwave = Voltage*Current

Electric power of microwave = $120*7.5$

Electric power of microwave = 900 watts

Therefore,

The electric power of microwave is 900 watts.

Keywords: current, power, multiplication

Learn more about multiplication at:

#LearnwithBrainly

4 0

3 years ago