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Nikolay [14]
2 years ago
14

Judging by appearance, is it reasonable to say that the figures below are similar? How do you know?

Mathematics
1 answer:
mamaluj [8]2 years ago
4 0

Answer:

C

Step-by-step explanation:

the proportions all seem to stay the same, so while the second figure is smaller, all parts of the figures seem to follow the same scaling factor.

there are 8 isoceles triangle "rays" emanating from a central circle in both figures. so, also the main characteristics are the same.

the smaller figure appears rotated compared to the other.

so, it was rotated and then dilated (or vice versa, as the sequence of these 2 operations is irrelevant).

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What is the solution to the equation x + 8.5 = 64.5? 7.6 48 56 73
Bogdan [553]
The solution to x + 8.5 = 64.5 is 56.

    x + 8.5 = 64.5
       - 8.5   - 8.5
---------------------------
    x = 56


4 0
3 years ago
Read 2 more answers
1. If 4.75x = 12.35, what is the value of x? 2. What is 3x +2+ 4x - 1 after combining like terms?
eimsori [14]

Answer:

1. x = 2.6

2. 7x + 1

Step-by-step explanation:

1.

Given:

4.75x = 12.35

Find x

4.75x = 12.35

Divide both sides by the coefficient of x, that is 4.75

4.75x / 4.75 = 12.35 / 4.75

x = 2.6

Check

4.75x = 12.35

4.75(2.6) = 12.35

12.35 = 12.35

2.

Given:

3x + 2 + 4x - 1

Combine like terms

3x + 4x + 2 - 1

7x + 1

6 0
3 years ago
Ulio is running in a 13.1-mile race. There are water stops every 2.75 miles along the route from the beginning of the race. What
DerKrebs [107]

Answer:

2.1 miles

Step-by-step explanation:

Given that :

Total distance = 13.1 miles

Distance between each water stop = 2.75 miles

Distance between last water stop and end of the race

We need to find the maximum number of water stops :

Total miles / distance between water stops

13.1 / 2.75

= 4.763

Maximum number of water stops = 4

Distance to last water stop = 4 * 2.75 = 11 miles

Hence, distance between last water stop and end of Race :

Total miles - distance to last water stop

13.1 miles - 11 miles

= 2.1 miles

6 0
4 years ago
James needs to mix a 10% acid solution with a 50% acid solution to create 100 milliliters of a 26% solution. How many milliliter
Ymorist [56]

James must mix 60 millilitres of 10% solution and 40 millilitres of 50% solution.

Given that, James needs to mix a 10% acid solution with a 50% acid solution to create 100 millilitres of a 26% solution.

Let the acid solution needs to mix with 10% be <em>x</em> ml and the acid solution needs to mix with 50% will be 100 - <em>x</em> ml.

Now,

10% x + 50% ( 100 - <em>x</em> ) = 26% ×100

⇒\frac{10x}{100} +\frac{50(100-x)}{100}=\frac{2600}{100}

⇒10<em>x</em> + 50( 100 - <em>x</em> ) = 2600

⇒10 <em>x</em> + 5000 - 50<em>x</em> = 2600

⇒10 <em>x</em> - 50 <em>x</em> = 2600-5000

⇒-40 <em>x</em> = -2400

⇒<em>x</em>=60

Therefore, James must mix 60 millilitres of 10% solution and 40 millilitres of 50% solution.

To learn more about the percentage visit:

brainly.com/question/13450942.

#SPJ1

8 0
2 years ago
Kail Ryans 10 laps around the track each day each lap around the track is 400 m meters how many times around the track will she
Semmy [17]
Hello

1 km = 1000 m

12 km = 12,000 m

Each day, she runs 10 * 400 m = 4000 m

12,000 m / 4000 m = 3

It will take 3 days.

Have a nice day
5 0
4 years ago
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