2 years ago

Help? I cannot get my head around it.

Mathematics

1 answer:

sergejj [24]2 years ago

8 0

Answer:

60cm³

Step-by-step explanation:

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A jar contains 133 pennies. A bigger jar contains 1 2/7 times as many pennies. What is 5he value of the pennies in the bigger ja

boyakko [2]

1(2/7)= 9/7

133/1×9/7= 171 pennies.

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2 years ago

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Which two ratios represent quantities that are proportional?

vesna_86 [32]

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2 years ago

Need help ASAP<br> find the mean,median, range and IQR<br> brainliest

N76 [4]

The mean= 5.5

The median= 6

The range= 10

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3 years ago

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Someone please help me

allsm [11]

Answer:

Solutions: $x = \frac{-3}{ 4} + i \sqrt{39}$ , $x = \frac{-3}{4} - i \sqrt{39}$

Step-by-step explanation:

Given the quadratic equation, 2x² + 3x + 6 = 0, where a =2, b = 3, and c = 6:

Use the <u>quadratic equation</u> and substitute the values for a, b, and c to solve for the solutions:

$x = \frac{-b +/- \sqrt{b^{2} - 4ac} }{2a}$

$x = \frac{-3 +/- \sqrt{3^{2} - 4(2)(6)} }{2(2)}$

$x = \frac{-3 +/- \sqrt{9- 48} }{4}$

$x = \frac{-3 +/- \sqrt{-39} }{4}$

$x = \frac{-3 + i \sqrt{39} }{4}$ , $x = \frac{-3 - i \sqrt{39} }{4}$

Therefore, the solutions to the given quadratic equation are:

$x = -\frac{3}{ 4} + i \sqrt{39}$ , $x = -\frac{3}{4} - i \sqrt{39}$

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2 years ago

A number increased by two thirds of the number

Artyom0805 [142]

Answer:

not sure if you're looking for an example of this or not but if you are then it could be something like 12 + 8 because 2/3 of 12 is 8.

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2 years ago