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3 years ago

A 7-by-7 foot rug is shown.

Mathematics

1 answer:

avanturin [10]3 years ago

6 0

Answer:

A Between 0-1/2

Step-by-step explanation:

Because you don't know if the rug is solid white or a checkard rug. But I could be wrong with insufficient evidence of the rug

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A man invested a certain amount of money in two separate projects in the ration 3:2. His profit was calculated on interest rates

Aneli [31]

Answer:

100,000

Step-by-step explanation:

Investment ratio = 3 : 2

Rate = 5% and 4% simple interest

Total interest after 2 years = 9200

Let total investment = t

(3/5t * 0.05 * 2) + (2/5t * 0.04 * 2) = 9200

3/5t * 0.1 + 2/5t * 0.08 = 9200

0.06t + 0.032t = 9200

0.092t = 9200

t = 9200 / 0.092

t = 100,000

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3 years ago

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sweet [91]

What do you need help with? Are you in danger?

4 0

3 years ago

The equation of the line in slope-intercept form

Nuetrik [128]

Answer:

slope is 4 over 7

Step-by-step explanation:

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5 0

3 years ago

Suppose that a histogram of a data set is approximately symmetric and "bell shaped". approximately what percent of the observati

LekaFEV [45]

The empirical rule tells you 68% of normally-distributed observations are within 1 standard deviation of the mean.

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This is a number you may want to memorize, along with the numbers for 2 (95%) and 3 (99.7%) standard deviations.

7 0

3 years ago

Read 2 more answers

Solve for x<br> (1/x) -2/3 = (4x)

Vadim26 [7]

The value of x is $x=\frac{-1+\sqrt{37}}{12}$ and $x=\frac{-1-\sqrt{37}}{12}$

Step-by-step explanation:

The equation is $\frac{1}{x}-\frac{2}{3}=4 x$

Subtracting by $4x$ on both sides,

$\frac{1}{x}-\frac{2}{3}-4 x=0$

Taking LCM,

$\frac{3-12 x^{2}-2 x}{3 x}=0$

Multiplying by 3x on both sides,

$-12 x^{2}-2 x+3=0$

Dividing by (-) on both sides,

$12 x^{2}+2 x-3=0$

Using quadratic formula, we can solve for x.

$\begin{aligned}x &=\frac{-2 \pm \sqrt{2^{2}-4 \cdot 12 \cdot(-3)}}{2 \cdot 12} \\&=\frac{-2 \pm \sqrt{4+144}}{2 \cdot 144} \\&=\frac{-2 \pm \sqrt{148}}{24} \\&=\frac{-2 \pm 2 \sqrt{37}}{24}\end{aligned}$

Taking out common term 2, we get,

$\begin{array}{l}{x=\frac{-2(1 \pm \sqrt{37})}{24}} \\{x=\frac{-1 \pm \sqrt{37}}{12}}\end{array}$

Thus, the value of x is $x=\frac{-1+\sqrt{37}}{12}$ and $x=\frac{-1-\sqrt{37}}{12}$

4 0

3 years ago