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Naya [18.7K]
2 years ago
15

A sequence of squares is made of identical square tiles. The edge of each square is one tile length longer than the edge of the

previous square. The first three squares are shown. How many more tiles does the seventh square require than the sixth
Mathematics
1 answer:
alukav5142 [94]2 years ago
8 0
Answer :
I don’t understand
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Use multiplication to solve the proportion.<br> h/15= 16/3
julia-pushkina [17]

Answer:

h=80

Step-by-step explanation:

15/3=5 so 16*5=80

8 0
3 years ago
Twice a number increased by 8 is less than -4
stepladder [879]

Answer:

Twice a number : 2x

increased by : +

8  :  8

is equal to : =

the number : x

increased by :  -

-4  :  -4

The answer is 2x+8 < -4


5 0
3 years ago
Simplify (5x-7) (2x+3) (7x-8)
Natali5045456 [20]

Answer:

70x³ - 73x² - 155x + 168

Step-by-step explanation:

Given

(5x - 7)(2x + 3)(7x - 8) ← expand the first pair of factors using FOIL

= (10x² + x - 21)(7x - 8)

Each term in the second factor is multiplied by each term in the first factor, that is

10x² (7x - 8) + x(7x - 8) - 21(7x - 8) ← distribute the 3 parenthesis

= 70x³ - 80x² + 7x² - 8x - 147x + 168 ← collect like terms

= 70x³ - 73x² - 155x + 168

3 0
2 years ago
Solve the inequality :<br> x-7 ≤ 3x + 1
Nina [5.8K]

Answer:

See below.

Step-by-step explanation:

x-7≤3x+1

 +7     +7

x≤3x+8

-3x -3x

-2x≤8

/-2   /-2

x≥-4

The inequality symbol reverses when divided/multiplied by a negative term.

-hope it helps

6 0
2 years ago
Read 2 more answers
here is my question: Find the rule which gives the number of matchsticks required to make the following matchstick patterns?
kipiarov [429]
Number of matchsticks required is 2. Rule which matchstick pattern is 2 x n.
5 0
2 years ago
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