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3 years ago

A bottle contains 5/12 litter of paint. Mr jacobs pours all the paint equally into 5 pots. How much paint is there in each pot?

Mathematics

2 answers:

Volgvan3 years ago

8 0

There is 1/12 in each pot. Divide 5/12 by 5. So, 1/12 is your answer

Salsk061 [2.6K]3 years ago

5 0

1/12 in each pot. there is 5/12 and he divides into 5 pots so 1/12 into each pot

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How long should an escalator be if it is to make an angle 30 with the floor and

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Answer:

it should be 23 feet long

Step-by-step explanation:

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2 years ago

45% of the students in Primary 5 are boys. There are 165 girls. How many more girls than boys are there in primary 5?

bezimeni [28]

Answer:

30 more

Step-by-step explanation:

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2 years ago

Using the quadratic equation formula to solve 7x^2-x=7, what are the values of x

Gennadij [26K]

quadratic formula:

x = -b ± √(b² - 4ac)

7x² - x = 7

subtract 7 from both sides:

7x² - x - 7 = 0

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3 years ago

Find S12 for geometric series: (-7.5) + 15 + (-30) + ...

kolezko [41]

Answer:

S12 for geometric series: (-7.5) + 15 + (-30) + ... would be: 10237.5

Step-by-step explanation:

Given the sequence to find the sum up-to 12 terms

$(-7.5) + 15 + (-30) + ...$

As we know that

A geometric sequence has a constant ratio 'r' and is defined by

$a_n=a_1\cdot r^{n-1}$

$\mathrm{Compute\:the\:ratios\:of\:all\:the\:adjacent\:terms}:\quad \:r=\frac{a_{n+1}}{a_n}$

$\frac{15}{\left(-7.5\right)}=-2,\:\quad \frac{\left(-30\right)}{15}=-2$

$\mathrm{The\:ratio\:of\:all\:the\:adjacent\:terms\:is\:the\:same\:and\:equal\:to}$

$r=-2$

$\mathrm{The\:first\:element\:of\:the\:sequence\:is}$

$a_1=\left(-7.5\right)$

$a_n=a_1\cdot r^{n-1}$

$\mathrm{Therefore,\:the\:}n\mathrm{th\:term\:is\:computed\:by}\:$

$a_n=\left(-7.5\right)\left(-2\right)^{n-1}$

$a_n=-\left(-2\right)^{n-1}\cdot \:7.5$

$\mathrm{Geometric\:sequence\:sum\:formula:}$

$a_1\frac{1-r^n}{1-r}$

$\mathrm{Plug\:in\:the\:values:}$

$n=12,\:\spacea_1=\left(-7.5\right),\:\spacer=-2$

$=\left(-7.5\right)\frac{1-\left(-2\right)^{12}}{1-\left(-2\right)}$

$=-7.5\cdot \frac{1-\left(-2\right)^{12}}{1+2}$

$\mathrm{Multiply\:fractions}:\quad \:a\cdot \frac{b}{c}=\frac{a\:\cdot \:b}{c}$

$=-\frac{-30712.5}{1+2}$ ∵ $\left(1-\left(-2\right)^{12}\right)\cdot \:7.5=-30712.5$

$=-\frac{-30712.5}{3}$

$=\frac{30712.5}{3}$

$=10237.5$

Thus, S12 for geometric series: (-7.5) + 15 + (-30) + ... would be: 10237.5

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3 years ago

DUDE ACTUALLY HELP PLEASE GIVING BRAINLIEST

Troyanec [42]

Answer:

154°

Step-by-step explanation:

They are alternate angles.

3 0

3 years ago

Read 2 more answers