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4 years ago

How many solutions does the equation have?

Mathematics

1 answer:

viva [34]4 years ago

5 0

The answer is B. 1 because it only has the answer of d=-55

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A car owner buys diesel at rs 7.50, rs 8, rs 8.50 per litre for three successive years. what approximately is the average cost p

alex41 [277]

Answer:

Average cost per litre of diesel = rs 8.00

Step-by-step explanation:

Amount spent on diesel each year = rs 4000

Price of a litre of diesel in the first year = rs 7.50

Price of a litre of diesel in the second year = rs 8.00

Price of a litre of diesel in the third year = rs 8.50

Average cost per litre of diesel = $\frac{p_{1} + p_{2} + p_{3} }{n}$

where n is the number of years.

Average cost per litre of diesel = $\frac{7.5 + 8.00 + 8.50}{3}$

= $\frac{24}{3}$

= 8

Average cost per litre of diesel is rs 8.00

So that he buys an average of 500 (i.e $\frac{4000}{8}$ ) litres every year.

5 0

3 years ago

I need 7-12 please!!!

sergiy2304 [10]

Answer:

number 7 is y= $\frac{-ax+c}{b}$

Step-by-step explanation:

6 0

4 years ago

Find the value of the variable in the parallelogram.

patriot [66]

I kind a get the answer for this one but I’m not sure if that’s the correct one but I think your answer will be -6

7 0

2 years ago

Any one help please

zvonat [6]

Answer:

1: male + female $\leq$ 30

2: 140 + 25x $\geq$ 550

Step-by-step explanation:

8 0

3 years ago

Of the 80 boys polled at lunch, 55% say they play video games daily. According to the poll, how many boys play video games daily

alexdok [17]

$55% = \frac{55}{100} = \frac{11}{20}$

Multiply $\frac{11}{20}$ by 80 and you will get how many boys play video games daily.

$\frac{11}{20}*80=\frac{11}{1}*4=11*4=44$

44 is the number of boys who play video games daily.

8 0

3 years ago