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3 years ago

7 more than x no fewer than -2. Give the inequality statement and solution set

Mathematics

1 answer:

leva [86]3 years ago

3 0

7>x≥-2.
I believe this is correct

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The simple interest on a certain sum for 5years at 8% per annum is Rs200 less than the simple interest on the same sum for 3year

Paha777 [63]

Answer:

Step-by-step explanation:

The simple interest on a certain sum for 5years at 8% per annum is Rs200 less than the simple interest on the same sum for 3years and 4months at 18% per annum.Find the sum

The formula for Simple Interest = PRT

From above question, we have to find the Principal

The simple interest on a certain sum for 5years at 8% per annum is Rs200

Hence,

R = 8%

T = 5 years

Rs 200 = P × 8% × 5

P = 200/8% × 5

P = Rs500

The principal = Rs 500

The simple interest on the same sum for 3years and 4months at 18% per annum.

Simple Interest = PRT

R = 18%

T = 3 years and 4 months

Converted to years

T = 3 + (4 months/12 months)

T = 3.33 years

Hence,

Simple Interest = Rs 500 × 18% × 3.33 years

= Rs 299.7

7 0

3 years ago

<img src="https://tex.z-dn.net/?f=%20%5Cfrac%7B5%7D%7B8%7D%20%20%5Ctimes%204" id="TexFormula1" title=" \frac{5}{8} \times 4" al

Vsevolod [243]

Answer:

The result is

$\frac{5}{2}$

2.5

Step-by-step explanation:

We want to simplify

$\frac{5}{8} \times 4$

We know that 4 goes into 8 twice.

This implies that:

$\frac{5}{8} \times 4 = \frac{5}{2}$

We can convert the result into decimals as follows:

$\frac{5}{2} = \frac{25}{10} = 2.5$

6 0

3 years ago

Which equation represents a line which is perpendicular to the line 6x + y = 1?

elena-14-01-66 [18.8K]

Perpendicular: y = -1/6x + 1

3 0

3 years ago

<img src="https://tex.z-dn.net/?f=16y%20%5E%7B5%7D%20-%2012y%20%5E%7B4%7D%20%2B%204y%20%5C%5C%20%5C%5C%2064%20a%20%5Ctimes%20%5E

Shkiper50 [21]

Answer:

see explanation

Step-by-step explanation:

Assuming you require to factorise the expressions

16 $y^{5}$ - 12 $y^{4}$ + 4y ← factor out 4y from each term

= 4y(4 $y^{4}$ - 3y³ + 1)

--------------------------------

64ax² - 49ay² ← factor out a from each term

= a(64x² - 49y²) ← this is a difference of squares and factors in general as

a² - b² = (a - b)(a + b) , then

64x² - 49y²

= (8x)² - (7y)²

= (8x - 7y)(8x + 7y)

then

64ax² - 49ay² = a(8x - 7y)(8x + 7y)

7 0

1 year ago

The function f(x)=logx is transformed into the equation f(x)=4.3logx.

Elina [12.6K]

That would be vertical sketch

7 0

3 years ago

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