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3 years ago

True or False: An improper fraction will equal greater than 100 percent.

Mathematics

1 answer:

Ivan3 years ago

6 0

True I did this in class

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How do you write 8,560 in scientific notation?

DIA [1.3K]

Answer:

8.56 × 103

Step-by-step explanation:

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An angle measures 62 degrees less than the measure of its supplementary angle. What is the measure of each angle?

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Answer:

40 and 67

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2 years ago

What is the sum of first k+1 even numbers

Gekata [30.6K]

Answer:

$Sum = (k+1)(k+2)$

Step-by-step explanation:

Given

k + 1 even numbers

Required

Their sum

This question will be solved using the sum of nth term of an AP

$S_n = \frac{n}{2}(2a + (n - 1)d)$

Where

a = the first even number

$a = 2$

n = number of terms

$n =k +1$

d = difference between consecutive even numbers

$d = 2$

So, the expression becomes:

$Sum = \frac{k+1}{2}(2 * 2 + (k + 1 - 1) * 2)$

$Sum = \frac{k+1}{2}(2 * 2 + (k) * 2)$

$Sum = \frac{k+1}{2}(4 + 2k)$

$Sum = \frac{(k+1)(4 + 2k)}{2}$

Factorize 4 + 2k

$Sum = \frac{(k+1)*2*(2 + k)}{2}$

$Sum = (k+1)*(2 + k)$

$Sum = (k+1)*(k+2)$

$Sum = (k+1)(k+2)$

8 0

3 years ago

Will give 100pts for this question

dimaraw [331]

Answer:

Solution,

$\frac{24 {x}^{2} + 25x - 47}{ax - 2} = - 8x - 3 - \frac{53}{ax - 2} \\ \frac{24 {x}^{2} + 25x - 47 }{ax - 2} = \frac{( - 8x - 3)(ax - 2) - 53}{ax - 2} \\ 24 {x}^{2} + 25x - 47 = - 8a {x}^{2} + (16 - 3a)x - 47 \\$

Equating coefficients from both side:

$- 8a = 24 \\ a = \frac{ 24}{ - 8} \\ a = - 3$

Hope this helps..

good luck on your assignment..

3 0

2 years ago

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Consider the graph shown. Which of the following does not represent the rate of change found when using similar triangles? Selec

Wewaii [24]

Answer:

the rate of change is -4/6

Step-by-step explanation:

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3 years ago

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