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makvit [3.9K]
3 years ago
14

LAST QUESTION PLEASE HELP IF YOU CAN FOR 11 POINTS AND BRAINLIEST + THANK YOU

Mathematics
1 answer:
jekas [21]3 years ago
3 0

Answer:

  see attachment

Step-by-step explanation:

The y-intercept is +4 for both lines, so only the third selection is appropriate. The lines appear to have a slope of magnitude less than 1, so ±1/2 seems about right.

(We expect at least one of the inequality symbols to include the "or equal to" case so there is no hole at x=0. Alas, it seems the third answer choice doesn't do that.)

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Four times a number added to seven times the number equals 55
VLD [36.1K]
Its 12 because 4 times 12 is 48 if you add 7 to 48 you get 55
5 0
3 years ago
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Express your answer in the smaller unit: 231 m 31 cm - 14 m 48 cm
pashok25 [27]
23131-1448 =21683(cm)

6 0
3 years ago
The heaviest dinosaur is estimated to have welghed 2.8 x 10^5 pounds. The average car weighs about 4 x 10^3 pounds.
34kurt

Answer:

  70

Step-by-step explanation:

Apparently, you want the ratio of the weights:

  (dino weight)/(car weight) = (2.8×10^5)/(4×10^3)

  = (2.8/4)×10^(5-3) = 0.7×10^2 = 0.7×100

  = 70

The heaviest dinosaur weighed about 70 times the weight of an average car.

_____

Your calculator can do arithmetic in scientific notation. So can any spreadsheet.

The applicable rule of exponents is ...

  (10^a)/(10^b) = 10^(a-b)

4 0
3 years ago
Find the third side in simplest radical form
klasskru [66]

Answer:

2 \sqrt{71}  \: units

Step-by-step explanation:

Given is a right angled triangle in which third side is the hypotenuse.

Therefore, by Pythagoras theorem:

thid \: side =  \sqrt{ {15}^{2}  + ( \sqrt{59} )^{2} }  \\  \\  =  \sqrt{225 + 59}  \\  \\  =  \sqrt{284}  \\  \\  =  \sqrt{ {2}^{2} \times 71 }  \\  \\  = 2 \sqrt{71}  \: units

3 0
3 years ago
Figure A is a scale image of Figure B.<br><br> What is the value of x?<br> PS. it's not 17
Oksanka [162]

Step-by-step explanation:

24÷(45÷25)= 21

x=21

Hope this helped!

4 0
3 years ago
Read 2 more answers
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