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ankoles [38]
3 years ago
13

PLEASE HELP ME THIS IS URGENT I AM BEING TIMED!!

Mathematics
1 answer:
morpeh [17]3 years ago
8 0

Answer:

A line has length, but no width or height

Step-by-step explanation:

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Work out the lengths of sides a and b.<br> Give your answers to 1 decimal place.
torisob [31]

Step-by-step explanation:

{a}^{2}  =  {8}^{2}  +  {5}^{2}  \\  {a }^{2}  = 64 + 25 \\  {a}^{2}  = 89 \\ a =  \sqrt{89}  = 9.4 \: cm

{17}^{2}  =  {12}^{2}  +  {b}^{2}  \\  {b}^{2}  =  {17}^{2}  -  {12}^{2}  \\  {b}^{2}  = 289 - 144 \\  {b}^{2}  = 145 \\ b = 12 \: cm

3 0
3 years ago
8. Marvin's son is 3 ft tall. He casts a shadow of 1 foot. Marvin cast a
taurus [48]

Answer:

C. 6 ft

Step-by-step explanation:

If Marvin's son is 3 feet tall with a 1 foot shadow, Marvin would be 6 feet tall with a 2 foot shadow.

7 0
3 years ago
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What is the remainder when 7^85 is divided by 41? How can you solve this without using a calculator?
Leto [7]

Answer:

you are supposed to divide it

Step-by-step explanation:

41divided by 85=

4 0
3 years ago
What is the least common multiple and greatest common factor of 24 and 21
Iteru [2.4K]

LCM: <span>2 x 2 x 2 x 3 x 7 = 168</span> 

GCF: 3

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What is the value of the expression 6.5 - (-7.25)?
adell [148]

Answer:

13.75

Step-by-step explanation:

Slash and dash.  turn the both minuses into positives and add like normal.  6.5 plus 7.25 equals 13.75.

5 0
3 years ago
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