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blsea [12.9K]
3 years ago
13

Please help me correct my answers!! im really confused

Mathematics
1 answer:
Cerrena [4.2K]3 years ago
5 0

Answer:

84°

Step-by-step explanation:

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Can you help me please !
Bezzdna [24]

Answer:

Square root of 7 minus 2 equals x.

Step-by-step explanation:

X is irrational soooo

4 0
3 years ago
A triangle has side lengths of (2b+c)(2b+c) centimeters, (7b+4d)(7b+4d) centimeters, and (6d+2c)(6d+2c) centimeters. Which expre
Gnoma [55]

Answer:

(9b + 3c + 10d)cm

Step-by-step explanation:

Given the sides of a triangle expressed as (2b+c), (7b + 4d) and (6d+2c). The perimeter of the triangle is the sum of all the sides of the triangles.

Perimeter of the triangle = 2b+c + 7b+4d + 6d+2c

Perimeter of the triangle = 2b + 7b + c + 2c + 4d + 6d

Perimeter of the triangle = 9b + 3c + 10d

Hence the perimeter of the triangle is (9b + 3c + 10d)cm

3 0
3 years ago
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You and a friend each roll a standard die to see who goes first in a board game. What is the probability that at least one of yo
saul85 [17]

Answer:

2

--

6

Step-by-step explanation:

2 over 6

8 0
3 years ago
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\bf a\cdot \cfrac{1}{2}\left(a+\cfrac{1}{a}  \right)\impliedby \textit{let's distribute first}&#10;\\\\\\&#10;\cfrac{a}{2}\left(a+\cfrac{1}{a}  \right)\implies \cfrac{a}{2}\cdot a+\cfrac{\underline{a}}{2}\cdot \cfrac{1}{\underline{a}}\implies \cfrac{a^2}{2}+\cfrac{1}{2}\implies \cfrac{a^2+1}{2}
3 0
3 years ago
9.<br> The original cost of a lamp is $18.95. The lamp is on sale for 25% off. How much will you pay
daser333 [38]

Answer:

$14.21

Step-by-step explanation:

To find 25% of 18.95, you can multiply 18.95×0.25, which approximately equals $4.74. Then subtract $4.74 from $18.95 to get $14.21

8 0
3 years ago
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