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natta225 [31]
3 years ago
10

Someone please help 14. 15(3y – 5)

Mathematics
2 answers:
AlexFokin [52]3 years ago
7 0
15 (3y - 5) = 45y - 75

Hope it helped!
fenix001 [56]3 years ago
3 0
15(3y - 5)

To solve this, multiply all variables inside the parentheses by 15.

(15*3y) - (15*5)
45y - 75

45y - 75 is the answer.
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A cube-shaped box has a volume of 125 cubic inches. If the box is packed full of cubes with edge lengths of 1 inch, how many cub
harina [27]

I am not sure if I am right, but this is the best I can answer.


Useing reason, and logic, my guess would be if you take 125, and divided it by 4, you would get 31.25. that should be the answer... if i am wrong, i am truely sorry. I havent been in the subject in a while...


                                                           Hope this helps.


6 0
3 years ago
Which expressions are algebraically equivalent to the correct usage of the distance formula to find the distance from point A(3,
egoroff_w [7]

Answer:

(5)

Step-by-step explanation:

The given two points are:

A(3,k) and B(h,4)

Now, using the distance formula that is=\sqrt{(y_{2}-y_{1})^{2}+(x_{2}-x_{1})^{2}}.

In the given points, y_{2}=4,y_{1}=k,x_{2}=h and x_{1}=3, thus,

\sqrt{(y_{2}-y_{1})^{2}+(x_{2}-x_{1})^{2}}=\sqrt{(4-k)^{2}+(h-3)^{2}}

which is the required equation, hence option 5 is correct.

8 0
3 years ago
Read 2 more answers
Plot two points to graph the equation.<br><br> y=−1/3x+1
Viktor [21]

Answer:

(3,0) & (-6,3)

Step-by-step explanation:

-1/3(3)+1= -1+1=0

-1/3(-6)+1= 2+1= 3

8 0
3 years ago
Which set of side lengths or angle measures can be used to construct a triangle A. 50 inches, 90 inches, 35 inches B. 60 inches,
kolbaska11 [484]

Answer:

D. 60, 45,75

Step-by-step explanation:

For options C and D

For a triangle the sum of the angles must always be equal to 180 degrees

So 180 ≠45+45+80

and

60 +45+ 75= 180

For option A and B

The length of the longer side is equal to the square root of the sum of squares of the other two sides in a triangle.

According to Pythagorus theorem

hypotenuse²= base² + perpendicular²

c²= a²+ b²

90²= 50² + 35²

8100= 2500+1225

8100≠3725

95²= 60²+ 25²

9025= 3600+ 625

9025≠4225

Therefore only D is the correct option

8 0
3 years ago
The windows of a downtown office building are arranged so that each floor has 6 fewer windows than the floor below. If the groun
grigory [225]

Answer:

10

Step-by-step explanation:

This is an arithmetic sequence.  The common difference is -6, and the first term is 52.

a = 52 − 6(n − 1)

When n = 8:

a = 52 − 6(8 − 1)

a = 52 − 42

a = 10

5 0
3 years ago
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