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hammer [34]
3 years ago
9

Help me pls ty :D 助けてください

Mathematics
2 answers:
ehidna [41]3 years ago
8 0

65%

Step-by-step explanation:

130000/200000*100=65%

beks73 [17]3 years ago
6 0

Answer: Me don’t know

Step-by-step explanation:

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The perimeter of a convex pentagon is 15 feet. What is the effect on its perimeter if each side is doubled?
Ad libitum [116K]

Answer:

If  each side of pentagon is doubled then its perimeter will also be doubles. The new perimeter is 30 feet.

Step-by-step explanation:

Let the length of all five sides of pentagon = <em>v, w, x, y</em>, and <em>z</em>.

Perimeter of pentagon = Sum of lengths of its all five sides = (<em>v + w + x + y + z</em>) = 15 feet

If each side of pentagon is doubles then,

New perimeter of pentagon = (2<em>v + </em>2<em>w + </em>2<em>x + </em>2<em>y + </em>2<em>z</em>)

= 2 (<em>v + w + x + y + z</em>)

= 2 (15)

= 30 feet

Therefore, if each side of pentagon is doubled then its perimeter will also be doubled.

5 0
3 years ago
K-12 Algebra 2. PLEASE HELP! 25 points
strojnjashka [21]

Answer:

A. how much of the students time is spent on social media during school hours.

B. By using some kind of selection technique Like Having students draw number from a hat, who ever have the specific numbers will take her survey.

C. The population for Sofies research would be a rate of 5/2. For every 5 people who take the survey only 2 turned it in.

D. She would conclude that 1 out of every 2 or 50 percent of students use social media while doing school work.

Step-by-step explanation:

6 0
3 years ago
The average rate of change of the function h(x)=3(2)^x as x varies from x=0 to x =3 is
Butoxors [25]

Answer:

23 over 3 ok my dear friends

4 0
3 years ago
Jasmine reduced the size of a triangle to a height of 4 in. What is the new width if it was originally 12 in wide and 16 in tall
cupoosta [38]

Answer:

The new width is 3 in.

Step-by-step explanation:

We can use the ratio of w/h, the origal width and height should have the same ratio as the new width and height.

<u>12 </u>= <u>x</u>

16    4

Then solve for x:

x = 4 (12/16)

x = 3

To check:

12/16 = 3/4

3/4 = 3/4

7 0
2 years ago
When Liz woke up in the morning, it was 6°F. By the late afternoon, the temperature had dropped 9°F.
Reil [10]

Answer:

-3°F

Step-by-step explanation:

6 - 9 =  -3°F

4 0
3 years ago
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