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irga5000 [103]
3 years ago
11

Four more than 3 times a number is 31. Find that number

Mathematics
2 answers:
SpyIntel [72]3 years ago
7 0

Answer:9

Step-by-step explanation: 31-4=27

27÷3=9

nikitadnepr [17]3 years ago
5 0

Answer:

Step-by-step explanation:

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F(x) = -4x2 + 4x – 4<br> Find f(3)
ValentinkaMS [17]

F(3) occurs when x =3. So lets plug 3 into our equation.

f(3) = -4(3)^2 + 4(3)-4\\f(3) = -4(9) + 12- 4\\f(3) = -36 + 12- 4\\f(3)= -28

F(3) = -28

I hope this helps! :)

5 0
3 years ago
Which of these expressions have positive values and which have negative values? Drag and drop each expression
marusya05 [52]

Answer:

7-(-4)= Positive

-3+(-2)= Negative

5-8= Negative

-10 +12= Positive

Step-by-step explanation:

4 0
3 years ago
A jumbo chocolate bar with a rectangular shape measures 11 centimeters in​ length, 8 centimeters in​ width, and 3 centimeters in
sesenic [268]

11ce^3 nt^2 imrs, 8ce^3 nt^2 imrs, 3ce^3 nt^2 imrs, 0.2, 3ce^3 nt^2 imr, ce^3 nt^2 imrs

3 0
3 years ago
Determine the measure of angle ECB.
Novosadov [1.4K]

Answer:

4) 91.75

Step-by-step explanation:

7x+20+9x-4=180

16x=164

x=10.25

7(10.25)+20=

71.75+20=91.75

3 0
3 years ago
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Ivan has 4 hours of Music on his MP3 player jazz makes up 1/6 of the total time how many hours of jazz are on Ivan's MP3 player
Alex777 [14]
4 hrs = 240 min. 

Jazz = 1/6(240) = 40 min.

Therefore, Ivan's MP3 player has 40 min (2/3 hr) of jazz music.
5 0
3 years ago
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