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creativ13 [48]
3 years ago
14

What is the distance between R(–3, 1) and S(4, 5)? Round to the nearest tenth.

Mathematics
1 answer:
Alik [6]3 years ago
3 0
R(–3, 1), S(4, 5)
calculate vector:
v=(4-(-3),5-1)=(7,4)

distance=length of vector=√(7²+4²)=√(49+16)=√(65)≈8.06226
rounded to the nearest tenth: 8.1
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Sweets are sold loose, or pre-packed in 120g bags. The 120g bags are ?1.49 each. The loose sweets are ?0.89 for 100g. By calcula
tester [92]

Answer:

The loose sweets at ?0.89 for 100 g.


Step-by-step explanation:

First, calculate the price per gram. You do this by dividing the price by the grams.

?1.49 / 120 g =  1.49 / 120 = 0.0124 (4 dp)

Because the answer was very long, I have rounded it to 4 decimal places (4 dp).

?0.89 / 100 g = 0.89 / 100 = 0.0089

Next, you must calculate both pre-packed and loose sweets to the same weight. I am calculating them both to 100 g.

0.0124 x 100 = 1.24

0.0089 x 100 = 0.89

Finally, the cheapest product for 100 g will be the better value. In this case, it is the loose sweets.






6 0
3 years ago
Christy earns $8 an hour for babysitting. She also earns a weekly bonus of $15 for helping children with their child's homework
kirza4 [7]
A) Christy worked a total of 17 1/2 hours
5 0
3 years ago
4x what = 2800?! need help asap!
inn [45]
4 times 700 would equal 2800. that is the answer to your question.
7 0
3 years ago
Read 2 more answers
What is the answer for -390=26c+52<br><br> Choices:<br> 1: C=17<br> 2: C=-13<br> 3: C=13<br> 4: C=17
just olya [345]

Answer:

C=-17

Step-by-step explanation:

-390-52=-442

-442/26=-17

-17

8 0
3 years ago
Mark traveled 455 miles in 5 hours. At this rate how far could he travel in 7 1/2 hours
marshall27 [118]
Mark could travel 682.5 miles in 7.5 hours.

To solve this you have to find how fast he travels per hour.
455 miles/5 hours=91 mph
91 mph multiplied by 7.5 hours(91 x 7.5)= 682.5
682.5 Miles in 7.5 hours

Hope this helped you! :D
3 0
3 years ago
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