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Scilla [17]
3 years ago
11

If ralph is 6 and his sister is half his age, how old will Ralphs' sister be when he's 100?

Mathematics
1 answer:
g100num [7]3 years ago
3 0
She will be 97 years old
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Sam decided that he is going to start biking to work as much as possible. After 4 days of work Sam has
mr_godi [17]

Answer:

<u>Proportion:</u>

<u>4/15 = 20/75</u>

<u>Sam will bike 37.5 km after 10 days.</u>

Step-by-step explanation:

1. Let's review the information given to answer the question correctly.

Number of days Sam has gone to work biking = 4

Amount of kilometers Sam has logged on his bike = 15

2. a. Set up a proportion to solve the amount of km he will log after 10 days on the bike.

Number of days Sam has gone to work biking = 4

Amount of kilometers Sam has logged on his bike = 15

2. a. Set up a proportion to solve the amount of km he will log after 10 days on the bike.

4/15 = 20/75

b. Solve for the amount of km in part (a).

Let's use the proportion, this way:

20/75 = 10/x

20x = 75 * 10

20x = 750

x = 750/20

x = 37.5

<u>Sam will bike 37.5 km after 10 days.</u>

4 0
3 years ago
Can someone please help me?
mojhsa [17]
First find out the triangle (red) in the top left.
(6 \times (12 - 8)) \div 2 \\ (6 \times 3) \div 2 \\ 18 \div 2 \\ 9
The area of a triangle is found by length times width and divide it all by 2 because a triangle is half of a square. Now we multiply that by 2 for the second triangle (in green) at the bottom. We can do this because the blue does to the half way mark on the quilt so the other triangle on the bottom has to be the same.
9 \times 2 = 18
Now we find out the area of the whole SQUARE quilt. It already gave the measurement of one side so they all have to be the same.
12 \times 12 = 144
Now we only need the area of the side the blue is on. So divide by 2 and get 72.
Now subtract 18 from 72.

The answer is 54 for blue.
4 0
3 years ago
Which formula is created by completing the square of the equation ax2+bx+c=0?
Nastasia [14]
Quadratic equation is the correct answer since there are 2 x-terms which is the first where ax^2 and then bx which leaves a constant.
4 0
2 years ago
Can someone please help me asap I’ll mark brainlist!!!!
chubhunter [2.5K]

Answer:

4 slices!!!

Mark Brianlyest pls!!!!1

Step-by-step explanation:

5 0
2 years ago
Suppose Little Italy has 50 blocks. If there are art galleries in one-fifth of these blocks, how many blocks have art galleries?
Elan Coil [88]

Answer:

10 blocks

Step-by-step explanation:

Take the number of blocks and multiply by the fraction

50 *1/5 = 50/5 = 10

Ten blocks have art galleries

7 0
3 years ago
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