400,000,000 + 30,000,000 + 200,000 + 90,000 +100
Hello!
To solve these problems we will use the Pythagorean Theorem( a²+b²=c², where a and b are the legs and c is the hypotenuse). Let's start!
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Q. 7
5²+12²=c²
25+144=169
√169=13
The length of the hypotenuse is 13.
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Q. 8
We already know the length of the hypotenuse, so we will have to solve for a by subtracting.
10²-8²=a²
100-64=36
√36=6
The length of the missing leg is 6.
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Q. 9
To test whether or not this is a right triangle, we have to make sure the squares of the legs is equal to the square of the hypotenuse. The hypotenuse is ALWAYS the longest side of a triangle, so in our case, the hypotenuse is eight. Let's check the squares.
16+49=65
16+49≠64
Therefore, this is NOT a right triangle.
I hope this helps!
Answer:
Step-by-step explanation:
First we need to find 20% of their bill-$40.
So we write a proportion with fractions.
20/100 = x/40
Then we cross multiply. So 40 and 20 will get multiplied, and 100 and x will get multiplied. We will get this:
800 = 100x
Divide both sides by 100 to solve this.
Then we will get:
$8 = x or x = $8
Now that we know 20% of the bill this will also represent the tip. Our tip is $8.
1. 3 packs of daffodils and 4 packs of tulips
2. then you would have 24 of each
3. $2.29
4. $37.54
5. $34.61
6.$2.93 was saved
7. 3 tulips
8. 12 daffodils
9. 9 tulips
10. 12 daffodils and 15 tulips
11. 2 flowers
12. 18 tulips and 12 daffodils
13. it should be 115 if you include the ones that died
Answer:
11 Pi inches
Step-by-step explanation:
