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storchak [24]
3 years ago
10

Pls, pls, pls, answer this

Mathematics
2 answers:
Luda [366]3 years ago
5 0
Check the periodic table if they are metals or non metals ionic compounds are compounds between metals and non metals where electrons are transferred. Covalent compounds are molecules formed by covalent bonds, in which atoms are sharing on or more pair of valence electrons. This only happens between two non-metals
ella [17]3 years ago
3 0
The Nitrate mixed into the Sodium and the Iodide mixed into the Lead.
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Ruth is making a necklace for a friend. She has 3 different types of clasps, 2 different chains, and 5 different charms. If she
34kurt
3 × 2 × 5 = 30 The answer would be 30 ways
6 0
4 years ago
What is the value of x? <br> Someone answer quickly please ! Will mark brainliest!!
Umnica [9.8K]
160 - x = 51*2

160 -x = 102

x = 160-102

x = 58




8 0
4 years ago
Use synthetic division to solve (x3 + 1) ÷ (x – 1). What is the quotient?
Fofino [41]

Answer:

x^2 + x + 1 + (2/ x -1)

Step-by-step explanation:

Use the divisor and find x :

x - 1 = 0  **add 1

x= 1

Now we will use the 1 in dividing:

take the coefficients from in front of all terms

  ** make sure you include 0's for x^2 and x since you have to have all terms

set it up with a 1 in a box:

1|  1   0   0  1   **bring the first number down

____________

    1                    **multiply the boxed number by the first number and add it                                 to the second number

1|  1   0   0  1  

____+1_____       **repeat with the rest of the terms

    1   1  

1|  1   0    0    1

 ___+1_+1_+1  

    1   1    1    2                              

**when you're done, use the new numbers to write an equation starting with a term with a degree one less than the previous equation.

**since there is a remainder, rewrite it divided by the original divisor

final answer:

x^2 + x + 1 + (2/ x -1)

8 0
3 years ago
Read 2 more answers
Simplify by dividing negative three over eight divided by five over nine.
goblinko [34]

Answer:

\frac{-27}{40}

Step-by-step explanation:

First we need to write in correct form :

\frac{-3}{8}:\frac{5}{9}

We know how to divide fractions. If we can divide numerator by numerator, denominator by denominator, we just do it. In this example we can not do that.

So, we rewrite first fraction and multiply by reciprocal second ( numerator and denominator change place)

\frac{-3}{8} *\frac{9}{5}

Now, multiply numerator by numerator, denominator by denominator :

\frac{-27}{40}

8 0
3 years ago
Read 2 more answers
what are the solution(s) to the quadratic equation 50 – x2 = 0? x = ±2 x = ±6 x = ±5 no real solution
Darina [25.2K]

Consider the given quadratic equation 50-x^2=0

x^2-50=0

Comparing the given quadratic equation to the general equation ax^2+bx+c=0, we get a= 1, b=0 and c= -50

So, the solution to the quadratic equation is given by:

x = \frac{-b \pm \sqrt{b^2-4ac}}{2a}

x = \frac{-0 \pm \sqrt{0^2-4(1)(-50)}}{2}

x = \frac{\pm \sqrt{200}}{2}

x = \pm \sqrt2 (5)

x = \pm 5\sqrt2

So, the solutions to the given quadratic equation are x = \pm 5\sqrt2.

5 0
3 years ago
Read 2 more answers
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