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son4ous [18]
3 years ago
14

Factorise each expression 8 - 2v²

Mathematics
1 answer:
dimaraw [331]3 years ago
8 0

Answer:

hello thereee

8 - 2v^2 we are suppose to facotrize...

2 ( 4 - v^2 )

2 ( 2^2 - v^2 )

apply identity a^2 - b^2

2 ( 2 + v ) ( 2- v )

done dana done.....

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Jose needs to make a total of 25 deliveries this week. So far he has completed 15 of them. What percentage of his total deliveri
schepotkina [342]

Answer:

Jose has completed <u>60%</u> of his total deliveries.

Step-by-step explanation:

Given:

Jose needs to make a total of 25 deliveries this week. So far he has completed 15 of them.

Now, to find the percentage of his total deliveries has Jose completed.

Total deliveries = 25.

Deliveries completed = 15.

Now, to get the percentage of his total deliveries has Jose completed:

\frac{Deliveries\ completed}{Total\ deliveries} \times 100

=\frac{15}{25} \times 100

=0.6\times 100

=60\%.

Therefore, Jose has completed 60% of his total deliveries.

7 0
4 years ago
Fill in the missing value to make the equations true.
Furkat [3]

Answer:

a) 7/4 b) 5 c) 2

Step-by-step explanation:

Logrithmic Rule for a and b

Let a, M, N be positive real numbers.

a)  

logaM - logaN = loga(M/N)

log9(7) - log9(4) = log9 (7/4)

b)

logaM + logaN = logaMN

log2 (x) + log2(9) = log2(45)

x9=45

(x9)/9 = 45/9

x = 5

c)

Change of base formula.

logb​(x)=logd​(b)/logd​(x)​

x log6(5) = log6(25) divide each term by log6(5)

x log6(5) / log6(5) = log6(25) / log6(5)   Cancel common factor log6(5)

x = log6(25) / log6(5)

x = log6(5^2) / log6(5)

Expand log6(5^2) by moving 2 outside the logarithm.

x = 2log6(5) / log6(5) cancel the like term log6(5)

x = 2

7 0
4 years ago
Consignment Sale. Just Between Friends is the leading pop-up consignment sales event franchise in North America. The Des Moines
natita [175]

Answer:

Just Between Friends

The percentage of consignors who receive a check for more than $370 is:

= 16%.

Step-by-step explanation:

Mean of consignor check, μ = $480

Standard deviation, σ = $110

Value of check received, x > $370

Solution: find the z-score to determine the percentage of consignors who receive a check for more than $370:

z = (x-μ)/σ

z= ($370 - $480)/$110

z = -$110/$110

z = -1.00

Percentage of consignors who receive a check for more than $370

= 0.15866

= 0.16

= 16%

7 0
3 years ago
(a)Find an angle between 0° and 360° that is coterminal with 865° .
CaHeK987 [17]

<h3> Answer:</h3><h2>a.215</h2>

I don't know in letter b.

#CaRRyOnLeArniNG

7 0
3 years ago
PLESE HELP REPORT CARD TOMORROW Elana grew 15 flowers with 3 seed packets how many seed packets does Elana need to have a total
Andre45 [30]
15flowers/3seedpackets
5 flowers/seed packet
*4
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your answer is ——-^^^^^^^^^^^^^^^
5 0
3 years ago
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