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Ber [7]
3 years ago
9

I need help on a test asap, what is 3(x+4)

Mathematics
2 answers:
aleksandr82 [10.1K]3 years ago
8 0

Answer:

3x+12

Step-by-step explanation:

you multiply 4 and 3. Since this isn't a formula to find x it is added to the number outside the bracket.

Virty [35]3 years ago
8 0

Answer:

3x + 12

Step-by-step explanation:

3(x + 4)

So you multiply 3 with each of these numbers but separately. So first multiply 3 with x, since x is just by itself you pretend it´s one, and so 3 times 1 equals 3 but also add the x with it so 3x.

Then you multiply 3 times 4 which is 12.

Last, put the numbers together and create the equation:

3x + 12

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Val walks 2 3/5 miles each day. Bill runs 10 miles once every 4 days. In 4days, who covers the greater distance.
Brilliant_brown [7]
The problem gives a distance with a fraction (not a decimal); there is absolutely no reason to convert it to a decimal. In 4 days, Val walks:     4*(2 3/5) miles     4*(13/5) miles           [convert to improper fraction]      52/5 miles       10 2/5 miles             [convert to mixed number] Compare that to Bill, who runs 10 miles every 4 days. Val runs a greater distance.
7 0
4 years ago
Simplify<br> f(x) = x² + 4<br> g(x)= xº + 5x - 1<br> find<br> f(x)- g(x)
hjlf
Simplified because I don’t know if x^o is the correct notation

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8 0
3 years ago
.
DochEvi [55]

Answer:

Step-by-step explanation:

The midpoint of two coordinates (x1, y1) and (x2, y2) is expressed as;

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M(X,Y) = {h, k+j/2}

hence the coordinates of point M is {h, k+j/2}

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4 years ago
Which answer choice shows the number 9.54×10−3 in standard form?
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Answer:

95.4

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Write an equation in standard form<br> Y+1=x+2
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Standard form is when x and y are on one side of the equations and the constants are on the other side. Moving the variables and constants around we get, -x+y=1 However we have to make sure the x is not negative. Multiplying all by negative one we get x-y=-1
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