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zaharov [31]
3 years ago
10

Is 9(y-2) equivalent to 18- 9y

Mathematics
1 answer:
Rudik [331]3 years ago
7 0

Answer: yes sir!

Step-by-step explanation:

Distributive property

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How many times smaller is the surface area of a cube if the side length is multiplied 1/2<br>​
Tju [1.3M]

Answer:

1/4, or 4 times smaller

Step-by-step explanation:

Since the surface area of a cube is just the combination of the area of all of the square sides, and the formula for those is s^2, if the side length was decreased by 1/2 then the surface area would decrease by (1/2)^2=1/4. Hope this helps!

4 0
2 years ago
I would appreciate if someone could answer this question I will give a brainlist for whoever explains and answers ;)
AleksandrR [38]

Answer:

Since this is a right triangle with one angle and hypotenuse given and opposite side unknown, we can use the definition of sine to find the unknown side.

sin 17 = x/hypotenuse = x/19

x = 19sin17 = 5.6

4 0
2 years ago
Z is..? The problem is attached as a png!
VikaD [51]

Answer:

Step-by-step explanation:

What i would do is multiply both sides by 2z + 1

so you get z-6=20z+10

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5 0
2 years ago
Read 2 more answers
The sum of two numbers is 46. The larger number is two less than three times the smaller number. Find the numbers.
melamori03 [73]

Answer: The numbers are: <u>x = 34, y = 12</u>

Step-by-step explanation:

Lets say the numbers are x and y. The two equations are:

x+y=46

x= 3y-2

Next you use substitution for x in the first equation which brings you to

3y-2 + y = 46 which simplyfies to:

4y - 2 = 46

4y = 48

48 / 4 = 12

y = 12

Then you plug back y=12 in either of the equation to solve for x:

x = 3y - 2

x = 3(12) - 2   = 36 - 2 = 34

x = 34, y = 12

8 0
3 years ago
I can't seem to figure it out lol.​
fomenos

4y+2x+y+79-x=180°

5y+x=101

X=101 -5y

-------

3 0
2 years ago
Read 2 more answers
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