2 years ago

2(y+4)−8=24 what is y?

Mathematics

2 answers:

Elina [12.6K]2 years ago

6 0

Answer:

y = 12

Step-by-step explanation:

Law Incorporation [45]2 years ago

4 0

I got the answer of 12

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its how much money he will get

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2 years ago

Help me: 8x13+7x13+6x13=

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8•13=104
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3 years ago

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BigorU [14]

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Step-by-step explanation:

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3 years ago

Alex the electrician needs 34 yards of electrical wire to complete his job. He has a coil of wiring in his workshop. The coiled

bogdanovich [222]

Answer: This coil will not be enough to complete the job.

Step-by-step explanation:

The circumference of the coil of wiring can be calculated with:

$C=2\pi r$

Where r is the radius and $\pi=3.14$

The radius can be calculated by dividing the diameter by 2. Then:

$r=\frac{18in}{2}\\\\r=9in$

Convert 9 inches to yards (1 yard=36 inches):

$(9in)(\frac{1yd}{36in})=0.25yd$

Substitute this radius into the formula:

$C=2(3.14)(0.25yd)\\C=1.57yd$

Since there are 21 circles of wire, you need to multiply $C=1.57yd$ by 21:

$C_T=(1.57yd)(21)=32.97yd$

The coil has 32.97 yards of wire and Alex needs 34 yards, therefore, this coil will not be enough to complete the job.

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2 years ago