3 years ago

What is the common difference in the sequence 50 40 30 20 10

Mathematics

2 answers:

prisoha [69]3 years ago

7 0

Hello there love
The sequace is taking 10 away
Have a nice day

just olya [345]3 years ago

3 0

The common difference in this sequence is

10

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What is the coefficient of the x5y5-term in the binomial expansion of (2x – 3y)10? 10C5(2)5(3)5 10C5(2)5(–3)5 –10C5(2)5(–3)5 10C

butalik [34]

ANSWER

$10C_5(2)^{5}( - 3)^5$

EXPLANATION

The given binomial expansion is:

${(2x - 3y)}^{10}$

Compare this to

${(a + b)}^{n}$

we have a=2x , b=-3y and n=10

We want to find the coefficient of the term

${x}^{5} {y}^{5}$

This implies that, r=5.

The terms in the expansion can be obtained using

$T_{r+1}=nC_ra^{n-r}b^r$

We substitute the given values to obtain;

$T_{5+1}=10C_5(2x)^{10-5}( - 3y)^5$

$T_{6}=10C_5(2x)^{5}(3y)^5$

$T_{6}=10C_5(2)^{5}( - 3)^5 {x}^{5} {y}^{5}$

Hence the coefficient is;

$10C_5(2)^{5}( - 3)^5$

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3 years ago

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Greatest common factors<br><br> 4,8<br> Can u do a factor tree I need help with it

solong [7]

4. 8
/ \ / \
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/ \
2 x 2

4: 2x2
8: 2x2x2

The GCF is 4

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3 years ago

In a movie theater, there are children and adults in the ratio 4:7. If there are 21 adults, how many people total are there in t

lozanna [386]

Answer:

Step-by-step explanation:

7x3=21

4x3=12

21+12=33

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Answer:

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To convert degrees Fahrenheit (F) into degrees Celsius (C) use the formula C=5/9(F-32) convert 50 degrees Celsius to Fahrenheit

lbvjy [14]

Answer:

122 degrees

Step-by-step explanation:

Using the formula given, 50 degrees Celsius would be (50*9/5)+32=90+32=122 degrees Fahrenheit. Hope this helps!

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3 years ago

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