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labwork [276]
3 years ago
5

3(x+1)+5(x+1)=64 What is x

Mathematics
2 answers:
IrinaK [193]3 years ago
8 0

Answer:

x is 3

Step-by-step explanation:

because 3×2=6+2=8×8=64

Karo-lina-s [1.5K]3 years ago
6 0

Answer:

x=7

Step-by-step explanation:

3(x+1)+5(x+1)=64

(3+5)(x+1)=64

8(x+1)=64

8x+8=64

8x=56

x=7

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A jewellery shop sells 240 necklaces a month. 180 of the necklaces were sold via the shops website the rest were sold in a high
Ne4ueva [31]

Answer:

Step-by-step explanation:

A jewellery shop sells 240 necklaces a month.

180 of the necklaces were sold via the shops website the rest were sold in a high street shop. This means that the amount that were sold in the shop would be the total amount sold for the month minus the amount that were sold via the shop's website. It becomes

240 - 180 = 60

The ratio of online sales to shop sales would be the number of necklaces sold online / the number of necklaces sold in the shop. It becomes

180/ 60 = 3/1 = 3

6 0
3 years ago
Write the quadratic equation whose roots are 3 and 1, and whose leading coefficient is 1
Serhud [2]

Answer:

x² - 4x + 3 = 0

Step-by-step explanation:

given roots x = a and x = b then the corresponding factors are

(x - a) and (x - b)

the equation is then the product of these factors , that is

(x - a)(x - b) = 0

given

roots x = 3 and x = 1 , then factors are (x - 3) and (x - 1) , then

(x - 3)(x - 1) = 0 ← expand factors using FOIL

x² - 4x + 3 = 0

6 0
2 years ago
What does the expression n + 3 represent
photoshop1234 [79]

Answer:

It means the sum of a number and 3.

Sum means to add up.

Step-by-step explanation:

5 0
2 years ago
Pls help i need it.
stepan [7]

Answer:

\huge\colorbox{blue}{A}\huge\colorbox{orange}{N}\huge\colorbox{gray}{S}\huge\colorbox{red}{W}\huge\colorbox{yellow}{E}\huge\colorbox{purple}{R}

5 0
2 years ago
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jolli1 [7]

Answer:

Step-by-step explanation:

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3 0
2 years ago
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