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katovenus [111]
2 years ago
15

Select all the equations where a=8 is a solution

Mathematics
2 answers:
8090 [49]2 years ago
3 0

Answer:

B, C, and D.

Step-by-step explanation:

All you have to do is substitute 8 in these equations for the easy answer.

A) 8 + 11 = 15 (False, it equals 19)

B) 1 = 8 / 8 (True)

C) 15 + 8 = 23 (True)

D) 42 = 7(8) (False, 7 times 8 equals 56)

E) 8 - 5 = 3 (True)


vivado [14]2 years ago
3 0
B d and c is the right Sancerre I got
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joja [24]
K<10; Because k is less than which means any number under 10
5 0
3 years ago
Solve ax + b = cx + d for x.
romanna [79]

Answer: X = (d-b) / (a-c)

This way this worded is weird but I think I got it

Step-by-step explanation:

Subtract B from both sides

ax = cx +d -b

Then subtract CX from both sides

ax -cx =d-b

Distributive Property

x(a-c) =d-b

Divide both sides by a-c

X = (d-b) / (a-c)

6 0
2 years ago
Alisa had 1/2 L of juice in a bottle. She drank 3/8 L of her juice. What
Elina [12.6K]

Answer:

3/16

Step-by-step explanation:

By drinking 3/8 liters of 1/2 liter juice it means the question tests the ability to multiply fractions. Since she drank 3/8*1/2=3/16

We multiply the numerators and denominators separately ie 3*1/(8*2)=3/16

Therefore, Alisa consumed 3/16 or 0.1875 or 18.75% of the juice.

Since the question was in fractional form, it is prudent to also express answer in fractions hence the right answer is 3/16

3 0
2 years ago
Does anyone know the answer to this ?? PLEASE HELP.
aleksandrvk [35]

Answer:

<u>2,365,200,000 times</u>

Step-by-step explanation:

<u>Given</u> :

  • Average heartbeat rate = 60 times/minute
  • Avg. human lifespan = 75 years

<u>To Find</u> :

  • Number of heartbeats in lifetime of 75 years

<u>Solving</u> :

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  • n = average heartbeat rate x 60 x 24 x 365 x 75
  • n = 60 x 60 x 24 x 365 x 75
  • n = 3600 x 24 x 365 x 75
  • n = 86400 x 365 x 75
  • n = 31536000 x 75
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5 0
2 years ago
What is the radius of a circle with circumference 17mm? Round to nearest tenth. Use 3.14
WINSTONCH [101]
     C = 2πr
   17 = 2(3.14)(r)
   17 = 2(3.14r)
   17 = 6.28r
 6.28   6.28
2.71 ≈ r
5 0
3 years ago
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