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Sholpan [36]
3 years ago
14

The diagram represents an enlargement of a rectangle by a scale factor of 4,

Mathematics
1 answer:
Lapatulllka [165]3 years ago
3 0

Answer:D 16inches by 8 inches

Step-by-step explanation:

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PLEASE HELP!
IrinaVladis [17]

Answer:

Step-by-step explanation:

<h3>Sphere:</h3>

1) a) r =  7 cm

 \sf \boxed{\text{Volume of sphere=$\dfrac{4}{3}\pi r^3$}}

                             \sf =\dfrac{4}{3}*3.14*7*7*7\\\\= 1436 \ cm^3

 \sf \boxed{\text{\bf Surface area of sphere = $4\pi r^2$}}

                                           = 4*3.14 * 7 * 7

                                           = 615.44 cm²

b) r= 8.4 cm

     Volume = \dfrac{4}{3}\pi r^3

                  \sf =\dfrac{4}{3}*\dfrac{22}{7}*8.4*8.4*8.4\\\\= 2483.7 \ cm^3

   Surface area = 4*3.14*8.4*8.4

                         = 887.04 cm²

<h3>Hemisphere:</h3>

      a) r = 6 cm

     \sf \boxed{\text{\bf Volume of hemisphere =$\dfrac{2}{3} \pi r^3$}}

                                                \sf =\dfrac{2}{3}*3.14*6*6*6\\\\= 452.16 \ cm^3

        \sf \boxed{\text{\bf Surface area of hemisphere=3 \pi r^2}}\sf \boxed{\text{\bf Surface area of hemisphere = $3 \pi r^2$}}

                                                            = 3 * 3.14 * 6 * 6

                                                             = 339.12 cm²

                                                           

                       

3 0
2 years ago
Mary has 1/4 of a tank of gas.A quarter or a tank is equal to 5 gallons how many gallons does her tank hold
Naddika [18.5K]

20 gallons

5 times 4 is 20

Hope this helps and have a great day!

7 0
3 years ago
According to the National Postsecondary Student Aid Study conducted by the U.S. Department of Education in 2008, 62% of graduate
egoroff_w [7]

Answer:

    \frac{31}{50}

Step-by-step explanation:

percentage of graduates with loan = 62%

total sample = 50

Number of student in the sample with student loan

  = (percentage of graduates with loan) x  (total sample)

  = 62% x 50

  = 31

Proportion of student in the sample with student loan = \frac{31}{50}

4 0
3 years ago
I WILL GIVE BRAINLIEST PLEASE HELP
aliina [53]

Answer: the answer is : you write a compound inequality for the amount of money she would spend, subtract the money she did spend and divide by the cost of what she has yet to buy she can buy between 1-7 shirt

Step-by-step explanation:

I took quiz

7 0
2 years ago
Could anyone help me with this
Romashka-Z-Leto [24]
The answer is 154

This is because you add all the sides

33+56+65=154
8 0
3 years ago
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