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muminat
3 years ago
15

Help pls with number seven :3

Mathematics
2 answers:
juin [17]3 years ago
8 0
Since the number after the decimal is greater than 5. Therefore you have to round 7 by adding 1 so

the answer is 638.
Debora [2.8K]3 years ago
8 0
Your rounding since 7 is a bigger number it’s 638
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Which number represents water becoming
xenn [34]

Answer:

1

Step-by-step explanation:

8 0
3 years ago
Read 2 more answers
Tristan is working on dilating rectangles. Rectangle ABCD is dilated by a factor of 3. The resulting rectangle WXYZ has an area
zloy xaker [14]

Answer:

Tristan is correct, because he needs to find the possible dimensions for rectangle WXYZ and then divide each dimension by 3.

Step-by-step explanation:

The rectangle ABCD is dilated by a factor of 3 to get the rectangle WXYZ whose area is found to be 72 cm².

Let the dimensions of the dilated rectangle WXYZ are a cm by b cm.

So, ab = 72 ........... (1)

Now, the dimensions of the original rectangle are 3 times lesser than the dimensions of rectangle WXYZ.

So, the area of rectangle ABCD will be (\frac{a}{3} \times \frac{b}{3}) = \frac{ab}{9} = \frac{72}{9} = 8 cm² {from equation (1)}

Therefore, Tristan is correct, because he needs to find the possible dimensions for rectangle WXYZ and then divide each dimension by 3. (Answer)

8 0
2 years ago
The formula for the perimeter, P, of a rectangle is P = 2L + 2w, where L is the length and W is th width sovle the formula for t
vichka [17]

                                 P  =  2L + 2w

Subtract  2L
from each side:          P - 2L  =  2w

Divide each side
by  2 :                        (P - 2L) / 2  =  w

You could also write it as      (P/2  -  L)  =  w
Both answers are the same.

4 0
3 years ago
What is the least common denominator for 13/108 and 23/233
Karo-lina-s [1.5K]
The first one stays the same as it does not simplify =108

and the second one is the sames as it does not simplify =233
6 0
3 years ago
Norma Ann planned a rectangular courtyard, as shown in the scale drawing below. She decides to change the width, the shorter sid
trapecia [35]

Answer: 45 / 40 ft

Step-by-step explanation:

Given that She decides to change the width, the shorter side of the courtyard, from 45 ft to 40 ft. Which expression finds the change in the scale factor?

Actual width of shorter side = 45 ft

New width of shorter side = 40 ft

Scale factor is the ratio of the actual length to the new or intended length

Scale factor = Actual width / New width

Hence, scale factor :

45 ft / 40 ft

7 0
3 years ago
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