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shutvik [7]
3 years ago
12

Helppppp .............

Mathematics
1 answer:
antiseptic1488 [7]3 years ago
7 0
Ok so suppose the theory that if you add two sides of a triangle together it will be more than the remaining side but it has to work for all three sides so the two sides 10+8=18 so the number has to be less than 18 but the number also has to be more than 3 because 8+3=11 and 11 is larger than ten. the answer is
3 \leqslant x \leqslant 17
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Can someone help me with a and c only ​
Nataly [62]

Answer: the answer to C is 4,176,000,000,000,000

Step-by-step explanation:

2.9(105)(7.2)(102)

5(10−8)

=

(2.9)(100000)(7.2)(102)

5(10−8)

=

(290000)(7.2)(102)

5(10−8)

=

2088000(102)

5(10−8)

=

(2088000)(100)

5(10−8)

=

208800000

5(10−8)

=

208800000

5(

1

100000000

)

=

208800000

1

20000000

=4176000000000000

7 0
3 years ago
What is the fraction ten fourteenths in its simplest form?
aliya0001 [1]
10/14 = 5/7 in simplest form
7 0
3 years ago
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A box of nails costs $2.25. A box of screws costs 1.2 times as much as the box of nails.
s2008m [1.1K]

Answer:

$2.70

Step-by-step explanation:

2.25*1.2 = 2.7

8 0
2 years ago
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The length of a rectangle is nine more than the width. If the perimter of the rectangle is 62 feet,
neonofarm [45]

Answer:

Step-by-step explanation:

20ft

8 0
2 years ago
(2x+3)²=5.find the roots of the equation ​
bija089 [108]

Answer:

-2.61803398875, -0.38196601125

or

(-3±√5)/2

Step-by-step explanation:

First, expand. (2x+3)² = 4x²+12x+9=5

4x²+12x+4 = 0

Quadratic equations take the form ax²+bx+c = 0

In this case,

a = 4

b = 12

c = 4

You can solve with the equation x=(-b±√b²-4ac)/2a

Plug in:

(-12±√144-64)/8

(-12±√80)/8

(-12±√2^4×5)/8

(-12±4√5)/8

(-3±√5)/2

Final answer x = (-3±√5)/2

If you want decimal form: -2.61803398875, -0.38196601125

4 0
2 years ago
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