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SpyIntel [72]
3 years ago
5

(BRAINLIEST)

Mathematics
2 answers:
mr_godi [17]3 years ago
5 0
Ne
NaCI I’m not sure if that is the correct answer
3241004551 [841]3 years ago
3 0

Answer:

C) NaCl

Step-by-step explanation:

by definition, a chemical compound is a chemical substance consisting of two or more different chemically bonded chemical elements.

the only choice with "two or more different chemically bonded chemical elements"  is NaCl (sodium and calcium)

The rest are comprised of only a single element.

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100PTS PLS HURRY I ONLY HAVE 40 MINUTES Determine the common ratio and find the next three terms of the geometric sequence.
hammer [34]

Answer:

\Large \boxed{\mathrm{\bold{B.} \ -0.5 \ ; \ 0.875 \ , \ -0.4375 \ , \ 0.21875}}

Step-by-step explanation:

The common ratio can be found by finding the quotient of a term and the previous term in the sequence.

\displaystyle \frac{3.5}{-7} =-0.5

The common ratio is -0.5.

The rule is to multiply a term in the sequence by -0.5 to get the next term.

Next 3 terms :

-1.75 \times -0.5=0.875 \\\\ 0.875 \times -0.5 = -0.4375 \\\\ -0.4375 \times -0.5=0.21875

The next 3 terms are 0.875, -0.4375, 0.21875.

6 0
3 years ago
Read 2 more answers
Don't spam...<br><br>Step by step explaination needed...​
Anastasy [175]

Answer:

\:

(c) 3

Step-by-step explanation:

Given polynomial :

f(x) = 2x³–5x² + 5x

Let the number to be subtracted be n

(x is already in equation so, n is better)

since, 2x – 3 factor given

→

f ( \frac{3}{2} ) = 0

So,

2x {}^{3}  - 5x {}^{2}  + 5 {x}^{2}  - n

2x {}^{3}  - 5x {}^{2}  + 5x - n = 0 \\  \\ 2( \frac{3}{2} ) {}^{3}  - 5( \frac{3}{2} ) {}^{2}  + 5( \frac{3}{2} ) - n = 0 \\  \\ 2 \times  \frac{27}{8}  - 5 \times  \frac{9}{4}  + 5 \times  \frac{3}{2}  - n \:  = 0 \\  \\  \frac{27}{4}   -   \frac{45}{4}  +  \frac{15}{2}  -  \frac{n}{1}  = 0 \\  \\ 27 - 45 + 30 - 4n = 0 \\  \\  12 - 4n \:  = 0   \\ \\n =  \frac{ - 12}{ - 4}  \\  \\ n =  > 3

4 0
3 years ago
Read 2 more answers
A store advertises 15% off an item that regularly sells for $300.
maw [93]

Answer:

15%=15/100=0.15

15% off means = regular price - (15% of regular price)

                        = 300 - (0.15*300)=255

So sale price is $255

Step-by-step explanation:

5 0
4 years ago
Solve 5x^2 - 7x+2 -0 by completing the square. What are the solutions?
trapecia [35]

5<em>x</em>² - 7<em>x</em> + 2 = 0

5(<em>x</em>² - 7/5 <em>x</em>) + 2 = 0

5(<em>x</em>² - 7/5 <em>x</em> + 49/100 - 49/100) + 2 = 0

5(<em>x</em>² - 2 • 7/10 <em>x</em> + (7/10)²) - 49/20 + 2 = 0

5(<em>x</em> - 7/10)² - 9/20 = 0

5(<em>x</em> - 7/10)² = 9/20

(<em>x</em> - 7/10)² = 9/100

<em>x</em> - 7/10 = ± √(9/100)

<em>x</em> - 7/10 = ± 3/10

<em>x</em> = 7/10 ± 3/10

<em>x</em> = 10/10 = 1   or   <em>x</em> = 4/10 = 2/5

6 0
3 years ago
Drag each function to the correct location on the chart.
Oliga [24]
It’s even I just did the test
8 0
3 years ago
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