A function g(x) has x-intercepts at (1/2, 0) and (6, 0). which could be g(x)?A. g(x) = 2(x + 1)(x + 6)
B. g(x) = (x – 6)(2x – 1)
C. g(x) = 2(x – 2)(x – 6)
D. g(x) = (x + 6)(x + 2)

Answers

Answer 1
Answer: The x-intercepts of a function are used to express the function into factored form:
From (1/2, 0)
(x - 1/2)

From (6, 0)
(x-6)

(x - 1/2) (x-6) = 0
(2x -1)(x-6) = 0

The function is:
B. g(x) = (x – 6)(2x – 1)

Answer 2
Answer:

Answer:

I believe the answer is B.



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What volume in ml of 0.500 M silver nitrate is required to completely react with 25.0 ml of 1.5 M calcium chloride?

Answers

First, the balanced chemical equation of the reaction must be written. This gives:

2 AgNO3 (aq) + CaCl2 (aq) --> 2 AgCl (s) + Ca(NO3)2 (aq) 

This shows that for every mole of CaCl2, 2 moles of AgNO3 reacts (1:2 ratio). Given the volume and molarity of CaCl2, we can compute for the number of moles of CaCl2.

moles CaCl2 = 1.5M(25mL/1000) = 0.0375 moles

Now, we can also compute for the moles of AgNO3 using the balanced equation.

moles AgNO3 = 2(0.0375) = 0.075 moles

Using the moles and molarity of AgNO3, we can compute for the volume needed.

volume (mL)/1000 = 0.075/0.5 = 150 mL of silver nitrate solution is required.

The compound nickel (III) chloride dihydrate has ____ mole(s) of water for every ____ mole(s) of ionic compound.three, two

two, three

one, two

two, one

Answers

The compound nickel (III) chloride dihydrate has two moles of water for every one mole of ionic compound.
In each mole of ionic compound, there are two moles of water in this compound. 

12x - 23 + 2x = -5

Solve the math equation above?

Answers

12x-23+2x=-5

combine the like terms (x) so,

12x+2x-23=-5

so, this will give you: 14x-23=-5

now, remove the numbers

so, 14x=-5+23

this will give you : 14x+18

x =  (18)/(14)

x = 1.285714286




12x - 23 + 2x = -5
 14x-23=-5 /+23
 14x=18
 x=18/14=9/7
x=1 (2)/(7)

Pls help me i NEED THI WNP

Answers

Answer:

1/2 × base times height

1)2×13×4

13×2

26cm2

Step-by-step explanation:

Area = (b×h) ÷ 2

=(18.7cm × 4cm) ÷ 2

=74.8cm ÷ 2

=37.4 cm2

Hope it helps :)

Solve each question for X , y=-9+x^2

Answers

so basically you want to isolate only one of the variable on one side so
y=-9+x^2
add 9 to both sides
y+9=x^2
square root both sides
√(y+9)=x

x=√(y+9)
y = -9 + x^2
y + 9 = -9 + 9 + x^2
y + 9 = x^2
√y+9 = √x^2
√y+9 = x
x = √y+9

√ is the square root symbol

Which calculations could be used to solve this problem? There are 21 children at Corie's party. There are 2 times as many girls as boys at the party.

How many girls are at the party?

Choose all answers that are correct.

A.
Multiply 21 × 2. Divide the product by 3.

B.
Add 21 + 2. Divide the sum by 3.

C.
Divide 21 ÷ 3. Subtract the quotient from 21.

D.
Divide 21 ÷ 3. Multiply the quotient by 2.

Answers

Given:
total of 21 children
2 times as many girls as boys at the party.

Let x be the number of boys.

boy + girls = 21
x + 2x = 21
3x = 21
x = 21/3
x = 7  number of boys

2x = 2(7) = 14 number of girls.

C. Divide 21 ÷ 3. Subtract the quotient from 21.
D. Divide 21 ÷ 3. Multiply the quotient by 2.