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3 years ago

In he order o operaions expressions inside parenheses are evaluaed beore exponens or ?

1 answer:

8 0

The answer is A. true, since the order of operations goes as follows:

Parenthesis
Exponents
Multiplication
Division
Addition
Subtraction

One way I was taught to remember it was by creating a saying out of the first letters(PEMDAS=Please Excuse My Dear Aunt Sally).

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What is the vertex form of 2x=y^2-10

Salsk061 [2.6K]

Answer:

x = 0.5y^2 - 5.

Step-by-step explanation:

2x=y^2-10

Divide both sides by 2:

x = 0.5y^2 - 5

5 0

3 years ago

Read 2 more answers

5z^3 - 2z^4 - 9z^2 + z

likoan [24]

Answer:

-z( 2z^3-5z^2+9z-1)

Step-by-step explanation:

Apply exponent rule: a^b+c=a^b*a^c

z^2=zz

z^3=z^2*z

z^4=z^3*z

Factor out common term z:

-z(2z^3-5z^2+9z-1)

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3 years ago

ΔCDE is reflected over the x-axis. What are the vertices of ΔC'D'E' ?

sattari [20]

Answer:

Step-by-step explanation:

When reflecting over the x-axis:

(x, y) (x, -y)

The y changes signs (+, -)

7 0

2 years ago

Lucy throws a fair six sided dice . so like the letter that matches the probability of the dice landing on a number between 1 an

irakobra [83]

Answer:

Letter B matches the probability.

Step-by-step explanation:

Lucy throws a fair six sided dice.

Probability of the dice landing on a number between 1 and 6 = $\frac{\text{Favorable outcome}}{\text{Number of events}}$

= $\frac{1}{6}$

On a number line fraction $\frac{1}{6}$ can be represented by,

An small section (A to B) will represent the fraction = $\frac{1}{6}$

Therefore, letter B will match the probability of a dice landing on a number between 1 and 6.

4 0

3 years ago

What is the equation of a line that is parallel to y=5/6x-10 and passes through (12,8)?

Gekata [30.6K]

Answer:

y-8=5/6(x-12)

Step-by-step explanation:

y-y1=m(x-x1)

y-8=5/6(x-12)

8 0

3 years ago