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3 years ago

Examine this algebraic expression:

Mathematics

2 answers:

Hunter-Best [27]3 years ago

8 0

Answer:

what are variables: x and y

what are coefficients: -2 and 3/4

what is the constant: 3/7

Step-by-step explanation:

hope this helps

fomenos3 years ago

3 0

Answer:

x = variable (a symbol, usually a letter, representing possible inputs)

4 = constant (numbers that stand alone and have a fixed value)

3 = coefficient (number multiplied by variable)

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Solve this absolute value /x+2/-/x/=6

stira [4]

Answer:

x € ø

Step-by-step explanation:

-(x + 2) -(-x) =6,x +2 <0,x<0

x € ø, x<-2, x<0

x € ø, x €❮-∞-,2❯

x € ø

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2 years ago

Volume of spheres and cones

Stella [2.4K]

Each shape is a different size so just tell me the sizes and I will be happy to help

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2 years ago

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I don't know how to do this, can someone explain me

Kaylis [27]

Answer:

-8+√5a-5 =-3

√5a-5 =5

a=6

5(6)=30

30-5=25

√25=5

-8+5=-3

5 0

3 years ago

What is the value of x?<br> 52°<br> 93°<br> (x + 3)<br> 78°

gizmo_the_mogwai [7]

Answer:

Step-by-step explanation:

Step One

Find the exterior angle connected to the 93 degree angle. It is also a supplement to 93. Supplementary angles add to 180. Call the exterior angle y

93 + y = 180 Subtract 93 from both sides

y = 180 - 93

y = 87

Step two

Add all the exterior angles. They equal 360

x + 52 + 87 + x + 3 + 78 = 360 Combine the like terms

Step 3

Solve the equation

2x + 220 = 360 Subtract 220 from both sides

2x = 360 - 220

2x = 140 Divide by 2

x = 70

I don't see that anywhere, but I'm pretty sure I'm right.

4 0

2 years ago

I need help! I'm *so* confused! I will mark Brainliest

Naddik [55]

Answer:

(-2,21)

Step-by-step explanation:

2 days ago, Paulo's commute time was halfway between his commute times 8 and 9 days ago.

8 days ago means that x-coordinate -8 represents this day. Count 8 units to the left and find that when x = -8, y = 24 minutes.

9 days ago means that x-coordinate -9 represents this day. Count 9 units to the left and find that when x = -9, y = 18 minutes.

Find halfway commute time between points (-8,24) and (-9,18):

$y=\dfrac{24+18}{2}=\dfrac{42}{2}=21,$

then coordinates that Paulo should graph are

(-2, 21)

(-2 means 2 days ago, 21 is the halfway)

5 0

2 years ago