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lawyer [7]
3 years ago
9

Determine the circumference of each circle. Use 3.14 or 22 for .

Mathematics
1 answer:
max2010maxim [7]3 years ago
4 0

Answer:

the circumference of the circle is about 23.55.

Step-by-step explanation:

hope this helps :D

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If y varies directly as x and inversely as z, and y = 32 whe x = 4 and z = 6, find y when x = 10 and z = 26
LuckyWell [14K]

The value of y is 18.46 when x=10 and z = 26

Step-by-step explanation:

The direct proportion is denoted as:

y∝x

And the inverse proportion will be denoted as:

y∝1/z

combining both

y∝ x/z

When the symbol of proportionality is removed, the proportionality constant is introduced

y = k\frac{x}{z}

Given

y = 32 when x=4 and z = 6

Putting the values

32 = k * \frac{4}{6}\\k = 32 * \frac{6}{4}\\k = 8*6\\k = 48

So the equation will become:

y = 48* \frac{x}{z}

Putting x=10 and z= 26

y = 48 * \frac{10}{26}\\y = \frac{480}{26}\\y = 18.4615

Hence,

The value of y is 18.46 when x=10 and z = 26

Keywords: Proportion, variation

Learn more about proportion at:

  • brainly.com/question/4054269
  • brainly.com/question/4163549

#LearnwithBrainly

8 0
3 years ago
Find the unit rate. <br><br> 5/8 mile in 1/4 hour
ivolga24 [154]

Answer:

5/8 : 1/4 :: m : 1    proportion

5/8 = m/4               product means/extremes

5/2 = m

Step-by-step explanation:

8 0
3 years ago
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Factor polynomial -3x^2-16x-5
forsale [732]

Answer:

-(3x^2 + 16x + 5)

-(3x+1)(x+5)

Step-by-step explanation:

-1(3x^2+15x+x+5)

-1(3x^2+16x+5)

-3x^2-16x-5

8 0
4 years ago
4. Tyson and his friends go ice skating. Tyson must pay an initial fee of $18.30 plus $4.80 per hour.
andrew-mc [135]

Answer:

$19.20

Step-by-step explanation:

if every hour they pay$4.80 and they go ice skating for 4 hours all you have to do is multiply $4.80 x 4

5 0
3 years ago
Please help<br><br>Point____is plotted at -4/5​
musickatia [10]

Answer:

C

Step-by-step explanation:

-4/5 is -0.8, which is at point C

plz brainliestt

8 0
3 years ago
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