Umm kid u forgot to put in like -, +, or x, or at least /
but here are the answers, if its addition the answer is 1/4, if its subtraction answer is -19/4 but if u simplify it to mixed fraction answer would be -4 3/4, if its multiplication answer would be -45/8 but simplify that and it would be -5 5/8, if its division answer would be -9/10 hope this helps

8 0

3 years ago

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Five years ago the population of the UK was 64.1 million. It has grown by 400 000. What is the population of the UK now?

telo118 [61]

64.5 million add 64100000+ 400000

4 0

3 years ago

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Beth walks 2 blocks in 15 minutes. How many blocks would Beth walk if she walked at the same rate for an hour? Explain your reas

padilas [110]

15*4= 60, meaning a full hour.
15 minutes = 2 blocks
15 minutes = 2 blocks
15 minutes = 2 blocks
15 minutes = 2 blocks
add them all up and u see in 60 minutes (an hour) Beth walked 8 blocks.

4 0

3 years ago

A boat is 400 feet away from one dock and 500 feet away from another dock the angle between the two paths is 45. What is the app

snow_lady [41]

Use the law of cosines. Let $x$ be the distance between the docks, which forms a third leg of a triangle for which the angle opposite it has measure 45 degrees. The other two legs have lengths 400 ft and 500 ft. So

$x^2=400^2+500^2-2\cdot400\cdot500\cos45^\circ$

$\implies x\approx356.59\,\mathrm{ft}$

3 0

3 years ago

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