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2 years ago

WILL GIVE 50+ POINTS! Which is the graph of the linear equation 3x – 4y = –12?

Mathematics

2 answers:

Inga [223]2 years ago

7 0

Answer: look up graphing calculator on google (Desmos) and type in that equation. it should show u the graph

muminat2 years ago

7 0

Answer:

y= -3+ 3/4x

Step-by-step explanation:

you move 3x to the other side of the equation by subracting making it -4y= -12 -3x. then you divide everything by -4 (because it’s the number in front of the Y) to get Y= -3 + 3/4x .

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Let f(x)=x^2 and g(x)=x-3. evaluate (fog)(-2)

Studentka2010 [4]

F(x) = x²
g(x) = x - 3

g(-2) = (-2) - 3 = -5

f(-5) = (-5)² = 25

Answer : <span>(fog)(-2) = 25</span>

7 0

3 years ago

Which two expressions are equivalent?

Elena L [17]

Answer:

C) 4a-2a=a+a

Step-by-step explanation:

4a-2a=2a

2a=a+a

2a=2a

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2 years ago

Riley counted the number of balls on one layer of a box, 34. The box has 8 layers. How many balls can the box hold?

DedPeter [7]

Answer:

8 times 34= 272

Step-by-step explanation:

7 0

2 years ago

A student needed to prepare 500mL of 1X TAE buffer to run a QC gel. The stock solution in the lab is 5X TAE. What volumes of sto

Xelga [282]

Answer:

you need 100ml of 5X TAE and 400ml of water.

Step-by-step explanation:

You need to use a rule of three:

$C_1V_1=C_2V_2$

where:

$\left \{ {{C_1= 5X} \atop {C_2=1X}} \right.$

and

$\left \{ {{V_1 = V_{TAE}} \atop {V_2=500ml}} \right.$

Therefore:

$V_{TAE} = \frac{V_2*C_2}{C_1}$

$V_{TAE} = 100ml$

Then just rest the TAE volume to the final Volume and you get the amount of water that you need to reduce the concentration.

3 0

2 years ago

Read 2 more answers

The average speed of one team in a relay race is about 10 miles per hour. What is the speed in feet per second?

ki77a [65]

10 miles per second in feet per second is 14.67 feet per second

Step-by-step explanation:

The average speed of one team in a relay race = 10 miles per hour.

We need to find the speed in feet per second.

The conversion rule is:

1 mile per hour = 1.467 feet per second

So, Speed in feet per second is:

1 mile per hour = 1.467 feet per second

10 miles per hour = 10*1.467 feet per second

= 14.67 feet per second

So, 10 miles per second in feet per second is 14.67 feet per second

Keywords: Conversion of units

Learn more about Conversion of units at:

#learnwithBrainly

5 0

2 years ago