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zlopas [31]
3 years ago
9

The park’s main attraction will be the roller coaster Scream Mountain, which will be designed to be fast and fun, but still secu

re and safe. Scream Mountain’s manufacturer recently built a coaster in England that used 2,500 tons of steel and 50,000 bolts. If Scream Mountain will use 500 more tons of steel than the English coaster, how many bolts will be needed, assuming that the number of bolts is proportional to the amount of steel?
Explain your steps or show your work.
Mathematics
1 answer:
77julia77 [94]3 years ago
4 0
50,000 ÷ 2,500 = 20 bolts
2,500 ÷ 2,500 = 1 ton

20 bolts: 1 ton

20 × 500 = 10,000 more bolts

Hope this helps!
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A health club sold ten memberships in one week for total of $3000. If male memberships cost $300 and female memberships cost $30
Ket [755]

Answer:

Step-by-step explanation:

The reason you haven't gotten an answer to this is because in its current formatting, there is no answer. Here's what I mean:

The first equation is going to be concerning the NUMBER of memberships sold, where m is male and f is female. The total number of memberships was 10:

m + f = 10

Now for the money equation. The total amount of money made from that number of memberships was 3000, where male memberships cost $300 and so do the female memberships, giving us an equation of

300m + 300f = 3000

Go back to the first equation and solve for either m or f. I solved for m in terms of f:

m = 10 - f and sub that into the second equation for m to get:

300(10 - f) + 300f = 3000 and

3000 - 300f + 300f = 3000. Here is where you find the problem. The -300f and the 300f cancel each other out, leaving you with the fact that

3000 = 3000 which it does, but it doesn't give us any viable answer.

I would have to say that since we can't do math on this, that the most credible answer you'll find is that the same number of male and female memberships were sold because 5 male memberships cost $1500 (5 memberships at $300 a piece is $1500) and 5 female memberships also cost $1500.

1500 + 1500 = 3000

6 0
3 years ago
Test in an hour. Please help.
ololo11 [35]
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3\sqrt{3}\ i\cdot \sqrt{3}\ i\implies 3(\sqrt{3})^2\ i^2\implies 3\cdot 3\cdot i^2\impliedby recall\quad i^2=-1
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Solve this equation - 3x+2+x=x+5
pav-90 [236]

Please find attached photograph for your answer. Don't forget to mark me Brainliest if you like my answer

5 0
3 years ago
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Find the area for the following figure.<br> O 124. 86 cm2<br> 62.93 cm2<br> 26.5 cm2<br> 137.45 cm2
Semmy [17]
The answer is 62.93
8 0
3 years ago
Dont comment under here if you and just commenting for points.. i really need to pass this:(
Scilla [17]

Answer:

the y intercept is -9/2 or -4 1/2

4 0
4 years ago
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