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2 years ago

Find a line that is parallel to y=-2x+7 and passes through a point of (1,-1)

Mathematics

1 answer:

navik [9.2K]2 years ago

6 0

Answer:

y=-2x +1

Step-by-step explanation:

hope this helps

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Algebra question ( Matrices and Determinants ) 20 pints

Zepler [3.9K]

The correct answer is option D
D. 597
The solution is as following
Determinant of K = 14 *(8*5+ --1*-2) - (-13)*(3*5- (-1)*(-10)) + 0 *( 3*-2 - 8*-10)
            = 14 * 38 + 13 * 5 + 0 * 74
            = 532 + 65
           = 597

7 0

3 years ago

What is the mode of the data set shown below?

Novay_Z [31]

Answer:

2, 5 and 6

Step-by-step explanation:

this is because mode is the most appeared number in a data and 2,5 and 6 all appeared twice

8 0

3 years ago

Read 2 more answers

Describe what slope is and what the numerator and denominator represent for slope (such as 3/4). Give 2 examples of where slope

Tom [10]

So slope is known as rise over run, or x/y. in your case of 3/4, the slope is y=3 and x=4. The slope is equal to the growth rate. It measures steepness, so in real life you could apply it to finding the steepness of a hill for construction, or perhaps how steeply your speed grows from 0 to 100 when driving a car.

6 0

3 years ago

A school play sells adult and child tickets. On Friday they sold 55 child tickets and 20 adult tickets for $200. On Saturday the

Anarel [89]

Answer:

Step-by-step explanation:

Let, price of individual child ticket is $x, and price of individual adult ticket is $y.

Now, on Friday we can write an equation is 55x+20y=200....(1).

and on Saturday we can write an equation is 72x+36y=306.....(2).

so, Equation 1: 55x+20y=200

Equation 2: 72x+36y=306

now, we are going to solve both equations.

after solving you will find x=2 and y=4.5

Hence, we can say that the cost of child ticket is $2, and the cost of adult ticket is $4.50.

4 0

3 years ago

Vitek1552 [10]

To solve this we are going to use the future value of annuity due formula: $FV=(1+ \frac{r}{n} )*P[ \frac{(1+ \frac{r}{n})^{kt}-1 }{ \frac{r}{n} } ]$
where
$FV$ is the future value
$P$ is the periodic deposit
$r$ is the interest rate in decimal form
$n$ is the number of times the interest is compounded per year
$k$ is the number of deposits per year

We know for our problem that $P=420$ and $t=15$ . To convert the interest rate to decimal form, we are going to divide the rate by 100%: $r= \frac{10}{100} =0.1$ . Since Ruben makes the deposits every 6 months, $k=2$ . The interest is compounded semiannually, so 2 times per year; therefore, $k=2$ .
Lets replace the values in our formula:

$FV=(1+ \frac{r}{n} )*P[ \frac{(1+ \frac{r}{n})^{kt}-1 }{ \frac{r}{n} } ]$
$FV=(1+ \frac{0.1}{2} )*420[ \frac{(1+ \frac{0.1}{2})^{(2)(15)}-1 }{ \frac{01}{2} } ]$
$FV=29299.53$

We can conclude that the correct answer is <span>$29,299.53</span>

8 0

3 years ago