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3 years ago

What was the purpose of the Pendleton Act?

Mathematics

1 answer:

Amiraneli [1.4K]3 years ago

7 0

The act was signed into law by President Chester A. Arthur.

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Suppose that in the use of polynucleotide phosphorylase, nucleotides a and c are added in a ratio of 1a:5c. what is the probabil

Svetllana [295]

There is a 1 in 15 chance it could occur. The more numbers you add, the rarer the chance. This does not guarantee that it will occur in 15 tests.

4 0

3 years ago

Which equations have equivalent expressions?

Kazeer [188]

Answer:

A,D,E

Step-by-step explanation:

i. 2t+3t=6t

5t=6t

ii. 2a+2b=4ab

iii. x+3=4x

5 0

3 years ago

Can somebody plsss find the slop ASAP!!!!!

Oksanka [162]

Answer:

$m=-2$

General Formulas and Concepts:

Pre-Algebra

Order of Operations: BPEMDAS

Brackets
Parenthesis
Exponents
Multiplication
Division
Addition
Subtraction

Left to Right

Algebra I

Slope Formula: $m=\frac{y_2-y_1}{x_2-x_1}$

Step-by-step explanation:

Step 1: Define

Find points from graph.

Point (0, 0)

Point (1, -2)

Step 2: Find slope m

Substitute: $m=\frac{-2-0}{1-0}$
Subtract: $m=\frac{-2}{1}$
Divide: $m=-2$

6 0

2 years ago

What is the y intercept of the quadratic function f(x)=x^2+x-6

saveliy_v [14]

Answer:

$(0,\, -6)$ .

Step-by-step explanation:

On a cartesian plane, the $y$ -intercept of a function is the point where the graph of that function intersects with the $y\!$ -axis.

The $y$ -axis of a cartesian plane is the same as the equation $x = 0$ (that is, the collection of all points with an $x$ -coordinate of $0$ .)

Construct a system of two equations, with one equation representing $y$ -axis and $y = f(x)$ to represent the graph of this function:

$\begin{aligned}\begin{cases} y = x^{2} + x - 6 & \text{for the quadratic function} \\ x = 0 & \text{for the $y$-axis}\end{cases}\end{aligned}$ .

Solve this system for $x$ and for $y$ . If a solution exists, then the $y\!$ -axis and the graph of $y = f(x)$ would indeed intersect. The point $(x,\, y)$ would be the intersection of the $y\!\!$ -axis and the graph of $y = f(x)\!$ .

Substitute the second equation of the system into the first.

$\begin{aligned}\begin{cases} x = 0 \\ y = -6\end{cases}\end{aligned}$ .

Hence, the intersection of the $y$ -axis and the graph of $y = f(x)$ would be $(0,\, -6)$ . By definition, this point would be the $y\!$ -intercept of $y = f(x)\!$ .

4 0

2 years ago

Look at the graph below. what is the slope of the line ?

kykrilka [37]

Answer:

The slope is $-\frac{1}{5}$ .