Please help me with this

<img src="https://tex.z-dn.net/?f=-5%283.15-%5Cfrac%7B21%7D%7B20%7D%20%29%2B7" id="TexFormula1" title="-5(3.15-\frac{21}{20} )+7

Maksim231197 [3]

The answer is -7/2 or -3.5

8 0

2 years ago

How many terms are to be considered in the series with first term - 3 and common ratio r = -4 for the sum to exceed 1507

Artemon [7]

Step-by-step explanation:

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7 0

3 years ago

On what interval is the function positive?

Lesechka [4]

Answer: (-∞,2)

Step-by-step explanation: 2 is not included in the interval since at x=2, the function crosses the x axis, meaning it is not positive, and instead 0.

All x values below 2 are positive.

4 0

2 years ago

If the non-parallel sides of a Trapezium are equal prove that it is cyclic.

SSSSS [86.1K]

Step-by-step explanation:

<h3>Solved in the attachment!! </h3>

<h3>Hope it helps you!! </h3>

8 0

1 year ago

6th grade math easy helpp

BabaBlast [244]

Answer: 18 degrees

Step-by-step explanation:

If the temperature dropped 12 degrees (48-36) in 10 hours then the ratio is

10hours:12 degrees

to find hours divide both sides by 2 and multiply by 3 to get

15hours: 18 degrees

6 0

3 years ago