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notsponge [240]
3 years ago
12

Need help 20 points please

Mathematics
1 answer:
Serjik [45]3 years ago
6 0
The answer is C. 3√2x+5=5 and x is equal to 60
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The Sine Function
densk [106]

Answer:

C. Wave-like and repetitive

Step-by-step explanation:

I calculated it logically

8 0
3 years ago
Sarafina and Katie have between $105 and $420 dollars to spend on jewelry for Christmas presents for their friends. If they buy
algol13

Answer:

66

Step-by-step explanation:

105+420=525   (Total Money)

7x3.25=22.75   (Cost of all bracelets)

8x11.74=93.92   (Cost of all necklaces)

93.92+22.75=116.67   (Cost of all Christmas presents)

525-116.67=408.33   (Total money - Cost of all Christmas presents)

408.33/6.15=66.39...   (Amount of necklaces)

since in real life you can only buy a whole number of things, you would round down 66.39 to 66. I hope this helped!

5 0
3 years ago
The estimated product of 20.7 and 9.18 after rounding both factors to the nearest whole number is
gogolik [260]
189 because 20.7 rounds to 21 and 9.18 rounds to 9
21 * 9 = 189

7 0
3 years ago
Read 2 more answers
Find the volume of the cylinder. Round your answer to the nearest tenth.
ludmilkaskok [199]

Answer:

1526.8 ft ^3

Step-by-step explanation:

the volume of a cylinder formula is V=π x r^2 x h

= pi x 9^2 x 6

= pi x 81 x 6

=1526.8 ft ^3

7 0
3 years ago
Read 2 more answers
Carly solved a quadratic equation by completing the square, but her work has errors. Identify the first error in Carly's work.
Savatey [412]

Answer:

Her first error was adding the wrong number to both sides. Instead of 4², it should be 2²

Step-by-step explanation:

When completing the square, the number that needs to be added to both sides is (b/2)²

In this problem, b is 4. So, Carly should have added 2² to both sides, but she added 4² instead.

So, her first error was adding 4² to both sides instead of 2²

8 0
3 years ago
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