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Alborosie
3 years ago
8

What is the sum of a number y and 9 is at least -1?

Mathematics
1 answer:
BigorU [14]3 years ago
6 0

9+y\geq-1

So y\geq-10

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If x represents the molar solubility of b a 3 ( p o 4 ) 2 , what is the correct equation for the k s p ?
AnnyKZ [126]

The molar solubility of Ba₃(PO₄)₂ is its concentration of pure substance

The correct equation for the ksp is Ksp = 6x⁵

<h3>How to determine the equation of ksp?</h3>

Start by writing the reaction for the solution of Barium phosphate

Ba₃(PO₄)₂  ⇌3Ba²⁺ +2PO₄³⁻

Next, we make an ICE chart

Let "x" be the molar solubility of Barium phosphate

          Ba₃(PO₄)₂(s)  ⇌3Ba²⁺ +2PO₄³⁻

I                                 0                  0

C                              +3x               +2x

E                                3x³                 2x²

Lastly, we write the expression for the solubility product constant (Ksp)

This is represented as:

Ksp = [3Ba²⁺] × [2PO₄³⁻]²

Ksp = 3x³ × 2x²

Evaluate the product

Ksp = 6x⁵

Hence, the correct equation for the ksp is Ksp = 6x⁵

Read more about molar solubility at:

brainly.com/question/9732001

5 0
3 years ago
Please help!! Find x, A, B, and C
BARSIC [14]

Answer:

180= 2x+ 4x+ 3x

180= 9x

x=20

a= 40

b= 80

c= 60

40+60+80= 180 (checking answers)

Step-by-step explanation:

6 0
3 years ago
What is ⅓ divided by ¼? Use the model if needed. Answer should be in simplest form. Explain your answer
Misha Larkins [42]

Answer:

The answer to the expression in simplest form is:

\frac{\frac{1}{3}}{\frac{1}{4}}=\frac{4}{3}

Step-by-step explanation:

Given the function

\frac{\frac{1}{3}}{\frac{1}{4}}

solving to get the simplest form

\mathrm{Apply\:the\:fraction\:rule}:\quad \frac{\frac{a}{b}}{\frac{c}{d}}=\frac{a\cdot \:d}{b\cdot \:c}

\frac{\frac{1}{3}}{\frac{1}{4}}=\frac{1\cdot \:4}{3\cdot \:1}

\mathrm{Apply\:rule}\:a\cdot 1=a

=\frac{4}{3}

Thus, the answer to the expression in simplest form is:

\frac{\frac{1}{3}}{\frac{1}{4}}=\frac{4}{3}

7 0
3 years ago
HELP ASAP!!!!
Vikentia [17]

Answer:

The answer would be 70.2.

Step-by-step explanation:

You just have to replace the x in the equation with a 2 because x=2.

5 0
3 years ago
Find the value of term a14 in the sequence.
Ne4ueva [31]

9514 1404 393

Answer:

  (a)  -23

Step-by-step explanation:

The sequence is arithmetic with first term 3 and common difference -2. Then the general term is ...

  an = a1 +d(n -1)

  an = 3 -2(n -1)

and the 14th term is ...

  a14 = 3 -2(14 -1) = 3 -2(13) = 3 -26

  a14 = -23

4 0
3 years ago
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