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Dominik [7]
3 years ago
8

Is 43 a 2 digit odd number that is composite

Mathematics
2 answers:
Romashka [77]3 years ago
8 0

Answer:

It is not composite

Step-by-step explanation:

It is not composite because if a number ends in 2,3,5,or 7 it is a Prime number.

7nadin3 [17]3 years ago
3 0
43 is a 2-digit odd number but it isn't composite. It's a prime number.

Hope this helps. :)
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Please help I don’t know how to solve these... can anyone explain? I’m desperate
Elenna [48]

Answer:

1.) 16.5

2.) 24.2 ft

3.) 10.8 ft

Step-by-step explanation:

1.) So first you need to use Heron's formula

S = (A + B + C)/2

So

S = (17 + 17 + 8)/2

S = 21

Now

Area  = \sqrt{S(S - A)(S-B)(S-C)}

So

\sqrt{21(21-17)(21-17)(21-8)}

So the Area is equal to 66.1

Now to find the height we use the Area of the triangle formula

A = 1/2 B*H

66.1 = 1/2(8) * H

66.1 = 4H

H = 16.525

So the height of the triangle is 16.5 units tall

2.) For this question you just use the Pythagorean theorem.

a² + b² = c²

So 22² + 8² = c²

484 + 64 = c²

548 = c²

\sqrt{584} = c

c = 24.1660919472 ft

So the length of the wire is 24.2 ft long

3.) Again this is the Pythagorean theorem.

a² + b² = c²

So 10² + 4² = c²

100 + 16 = c²

116 = c²

\sqrt{116} = c

c = 10.7703296143 ft

So the length of the banner is 10.8 ft long

7 0
3 years ago
Sorry, but I also need help on this
gladu [14]

Answer:

It B ok

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
A production manager tests 10 batteries and finds that their mean lifetime is 468 hours. She then designs a sales package for th
Usimov [2.4K]

iits probalty like based analyse

6 0
3 years ago
Read 2 more answers
What is a correct way to evaluate the expression 80 - (50 – 35)?
Svetach [21]

Answer:

PEMDAS!!! (Parentheses, exponents, multiplication, division, addition, subtraction)

Step-by-step explanation:

Parentheses first!

50-35=15

Then subtraction!

80-15=65

Hope this helped!!! :)

6 0
3 years ago
Read 2 more answers
Simplify this problem
andrey2020 [161]

Answer:

-22 1/2

Step-by-step explanation:

-2 1/2 *s

Let s = 9

-2 1/2 (9)

Change to an improper fraction

-5/2 *9

-45/2

Change back to a mixed number

-22 1/2

8 0
3 years ago
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