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2 years ago

Please help me with these two questions

Mathematics

1 answer:

Likurg_2 [28]2 years ago

8 0

You really do need to learn to read the notation.

1) The last sequence is the only one with a first term of -6 and common ratio of 4.

2) Asked and answered elsewhere. The 1st selection is the only one that reproduces the listed terms.

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Hey guys please help with this questoin Find (x+y) ÷ (x-y) if x=5/4 y=-1/3

pogonyaev

Answer:

Step-by-step explanation:

$(\frac{5}{4} + (-\frac{1}{3})) \div (\frac{5}{4} - (-\frac{1}{3}))\\\\\frac{\frac{5}{4}+\left(-\frac{1}{3}\right)}{\frac{5}{4}-\left(-\frac{1}{3}\right)}\\\\\mathrm{Remove\:parentheses}:\quad \left(-a\right)=-a,\:-\left(-a\right)=a\\=\frac{\frac{5}{4}-\frac{1}{3}}{\frac{5}{4}+\frac{1}{3}}\\\\\mathrm{Join}\:\frac{5}{4}+\frac{1}{3}:\quad \frac{19}{12}\\\mathrm{Join}\:\frac{5}{4}-\frac{1}{3}:\quad \frac{11}{12}\\\\=\frac{\frac{11}{12}}{\frac{19}{12}}\\\\=\frac{11\times\:12}{12\times \:19}$

= 11/19

7 0

3 years ago

5(12-4)=5(12)-5(4) what is this property

kherson [118]

Answer:

distributive property

Step-by-step explanation:

The distributive property is described as

a(b + c) = ab + ac

5(12 - 4) = 5(12) - 5(4) ← is obtained using the distributive property

6 0

2 years ago

You have $40 to spend on n gallons of gas that costs $3.25 per gallon.

Citrus2011 [14]

Answer:

You can buy 12 gallons of gas.

Step-by-step explanation:

I took 40 and 3.25, then divided them.

I got a very large ugly decimal. When simplified it is 12.

5 0

3 years ago

Which number equals (3)^-3? A) -27 B) -9 C) -1/27 D) 1/27

Alecsey [184]

Answer:

the answer is D 1/27

Step-by-step explanation:

7 0

2 years ago

Speed=60 km/h time= 2 hours 20 minutes, what is the distance?

daser333 [38]

Answer:

26km

Step-by-step explanation:

d=speed × time

d=60×2.33

d= 140km

8 0

3 years ago