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irakobra [83]
3 years ago
15

Evaluate the expression when a=-5 and c=3. a-5c

Mathematics
2 answers:
Vinil7 [7]3 years ago
8 0

Answer:

its either -20 or -7

Step-by-step explanation:

i believe its -20 tho hope it helps

77julia77 [94]3 years ago
5 0

Answer:

-20

Step-by-step explanation:

a-5c

a = -5  and c=3

-5 -5(3)

Multiply

-5 - 15

-20

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What is this value? giving thanks and marking brainliest :)
Pachacha [2.7K]

Answer:

x = 23 degress

Step-by-step explanation:

(x + 2) + 65 = 90

x + 2 = 25

<u>x = 23 degress</u>

4 0
2 years ago
5. Thickness measurements of ancient prehistoric Native American pot shards discovered in a Hopi village are approximately norma
Triss [41]

Answer:

percent (%) of ancient prehistoric thinner than 3 is 0.0013

Step-by-step explanation:

Given data

mean =  5.1 millimeters (mm)

standard deviation = 0.7 mm

to find out

percent (%) of ancient prehistoric thinner than 3

solution

we have given mean and SD

so Z will be = x -mean  / SD

Z = ( x - 5.1 ) / 0.7

so P( x < 3 ) = P ( (x - 5.1 ) / 0.7  <  ( 3 - 5.1 ) / 0.7 )

P( Z  = ( 3 - 5.1 ) / 1.5 )

P( Z  =  -3 ) = 0.0013

percent (%) of ancient prehistoric thinner than 3 is 0.0013

4 0
3 years ago
A local farm sells strawberries and blueberries. The ratio of the number of strawberries to blueberries it sells at 5:3. If it s
olganol [36]

Answer:

125

Step-by-step explanation:

The ratio is 5:3 so we divide the 75 by 3 to get 1 part

1 part = 75

75 x 5 = 125

125 strawberries were sold :)

3 0
2 years ago
Points frreeeeeeeeeeeee :)
Gala2k [10]

Answer:

thx m8

Step-by-step explanation:

:)

7 0
2 years ago
Read 2 more answers
Factor 9x^+12x-16 , sincerely appreciate all the help I can receive.
zheka24 [161]
The correct answer is:  [C]:  " -4 (-2x² - 3x + 4) " .
______________________________________________________
Explanation:
______________________________________________________

8x² + 12x - 16 ;  factors into:

-4 (-2x² - 3x + 4) ; which is:  Answer choice:  [C].
______________________________________________________
5 0
3 years ago
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