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2 years ago

Write four and two hundred ninety-five thousandths

Mathematics

1 answer:

snow_tiger [21]2 years ago

3 0

Answer:

4.295

Step-by-step explanation:

there ya gooooooooo

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(-9x - 4) - (4x2 + 2x - 7)

yaroslaw [1]

Answer:

I assume you meant 4x^2

So the answer in simplified form is -4x^2-11x+3

6 0

2 years ago

Read 2 more answers

Betty has $1,000 in her savings account. The interest rate is 2.5%. How much interest will Betty earn when her money has been in

V125BC [204]

Answer:

$1,075

Step-by-step explanation:

Use the formula I=PRT where I= interest, P=principle or starting amount, R=interest rate, T=time

1000*0.025*3=75

Add 75 to 1,000, 1,000+75=1,075

3 0

2 years ago

Mary has 6 pairs of blue pants which represents 40% of slacks in her closet. What is the total number of pants she owns

Anastaziya [24]

Answer:

The total number of pants in Mary's closet = 15

Step-by-step explanation:

Here, given:

40% of slacks in her closet = 6 pairs

Let us assume the total pants in her closet = m

So, according to the given data:

40% of m = 6 pairs

$\implies \frac{40}{100} \times m = 6\\\implies m = 6 \times \frac{100}{4} = 15$

⇒ m = 15

Hence the total number fo pants in her closet = 15

6 0

2 years ago

A company made a profit of $90,000 in the year 2006. In 2010, the same company made a total profit of $135,000. If the rate of c

Firlakuza [10]

Answer:

Average rate of change = $11250 per year.

Step-by-step explanation:

Let's take two points from given information (2006, 90000) and (2010, 135000).

Now, use slope formula to find slope.

Slope = $\frac{y2-y1}{x2-x1}$

Use the two points to find average rate of change (slope)

Average rate of change = $\frac{135000-90000}{2010-2006}$

= $\frac{45000}{4}$

=11250

Average rate of change = $11250 per year.

6 0

2 years ago

Find the price-demand equation for a particular brand television when the demand is 20 TVs per week at $150 per TV, given that t

Alina [70]

Answer:

~ $150=50e^{-0.01()20}$

~ $p(100)=\$127.7$

Step-by-step explanation:

From the question we are told that:

Price of 20TVs per week $P_{20}=\$150$

Marginal price-demand function $p'(x)=-0.5e-0.01x$

Generally the The Marginal price function is mathematically given by

$p'(x)=-0.5e^{-0.01x}$

$p(x)=\int-0.5e^{-0.01x}$

$p(x)=50e^{-0.001x}+C$

Therefore the equation when the demand is 20 TVs per week at $150 per TV

$150=50e^{-0.01()20}$

Giving

$p(x)=50e^{-0.01x}+150-50e^{-0.01(20)}$

Therefore the Price when the demand is 100 TVs per week

$p(100)=50e^{-0.01(100)}+150-50e^{-0.01(20)}$

$p(100)=\$127.7$

7 0

2 years ago