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Talja [164]
3 years ago
5

Evaluate x=6 , y=8 ,and z =3. xy+z?

Mathematics
1 answer:
REY [17]3 years ago
3 0

Answer:

51

Step-by-step explanation:

xy means x times y so 6x8=48 plus three is 51

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2m + 11 = 4m + 1<br> Find the solution for m in the equation.
Zinaida [17]
2m + 11 = 4m + 1

2m (-2m) + 11 (+1) = 4m (+2m) + 1 (-1)

12 = 6m

12/6 = 6m/6

m = 2

hope this helps 
5 0
3 years ago
Read 2 more answers
Somebody pleaseee help it’s due today
fomenos

Answer:

-189

Step-by-step explanation:

You substitute the x for -7 and put it into a calculator.

3 0
3 years ago
A rectangle is 3 times as long as it is wide. the perimeter is 16 feet. find the dimensions ​
astraxan [27]

Answer:

Width = 2 feet

Length = 6 feet

Explanation:

Variables:

Perimeter = p

Length = l

Width = w

Equation:

2w + 2l = p

It is given that:

l = 3w

and

p = 16 feet

With this information, we can rewrite the equation (substitute)

2w + 2(3w) = 16

Simplify

2w + 6w = 16

Add

8w = 16

Divide both sides of the equation by 8

Width = 2 feet

Length = 3(w) = 3(2) = 6 feet

Hope this helps :)

6 0
3 years ago
A railway car is shaped like a rectangular prism with a length of 18 meters, a width of 3 meters, and a height of 4 meters.
larisa86 [58]

The volume of railway car is 216 cubic meters

<em><u>Solution:</u></em>

Given that, Railway car is shaped like a rectangular prism with a length of 18 meters, a width of 3 meters and a height of 4 meters

To find: volume of railway car

<em><u>The volume of rectangular prism is given as:</u></em>

v = l \times w \times h

Where,

"l" is the length and "w" is the width and "h" is the height of prism

From given question,

length = 18 meters

width = 3 meters

height = 4 meters

Substituting the values, we get

v = 18 \times 3 \times 4 = 216

Thus volume of railway car is 216 cubic meters

3 0
3 years ago
What’s the correct answer for this question?
sergey [27]
Volume of cone : V=1/3pie r^2h
8 0
3 years ago
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