The triangular sail of a toy sailboat is supposed to be a right triangle. The manufacturer says the sides of the sail have lengths of 4.5in, 6in, and 7in. Is the sail a right right triangle? If not how could you change one of the lengths to make a right triangle?

Answers

Answer 1

Answer: To be a right angled triangle, it must follow the rule a² + b² = c² (where c is the longest side)

4.5² + 6² = 20.25 + 36 = 56.25
7² = 49
This is NOT a right angled triangle.

To make this into a right angled triangle, the longest side c should be longer.
c = √56.25 = 7.5 inches

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A certain type of bamboo plant grows 1.2 feet in 1 day at that rate how many feet could the plant grow in 0.5 day

Answers

in .5 day, since .5 is half of one day , the bamboo will grow only .5× more so...
1.2÷5 = 0.6ft

The given bamboo can grow 0.6 feet in five days.

Ratio and Proportion

You can use the provided rate to calculate how many feet the bamboo plant could grow in 0.5 days. You can set up a proportion to determine the growth in 0.5 days if the plant grows 1.2 feet in one day.

So we can have 1.2 * 0.5 = x to represent the growth in 0.5 days.

x = 1.2 * 0.5

x = 6.0

As a result, at the specified rate, the bamboo plant might grow 0.6 feet in 0.5 days.

Learn more on ratio and proportion here: brainly.com/question/29774220

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How would you convince someone that the number 0.57 is a rational number? (PLZ HELP ASAP!! D:)

Answers

it is a rational number since the number does not go on forever and is not spontaneous. ( you can tell that no numbers come after this) Pi would be irrational since it goes on forever and does not have a certain pattern.

Rational numbers are numbers that end. They dont continue forever. In .57 its a rational number because theres only two numbers it doesnt keep going.

Can someone solve these for me
1. 4x + 2 = -10

2. 7x + 12 = -9

Answers

Answer:

1. x = -3

2. x = -3

Step-by-step explanation:

First subtract 2.

4x = -12

Divide by 4.

x = -3

Subtract 12 from both sides.

7x = -21

Divide by 7

x = -3

Answer:

1. -3

2. -3

Step-by-step explanation:

James is 46 years old. This is uncle John's age divided by 2, plus 14 years

Answers

Uncle John is 37 hope this helps out Bc y’all helped me when I needed it

The answer is 37 years old
The work is:
46/2=23
23+14=37

The Frosty Ice-Cream Shop sells sundaes for $2 and banana splits for $3. On a hot summer day, the shop sold 8 more sundaes than banana splits and made $156. Find the number of sundaes and banana splits that were sold that day.

Answers

In your question the ice-cream shop would of sold
36 sundaes
28 banana splits

36 (sundaes)*$2 (price of each sundae)=$72
28 (banana splits)*$3 (price of each Banana split)=$84
$72 (cost of 36 Sundaes)+$84 (cost of 28 banana splits)=$156

Hope this helps! :)

Ellie has $30 in a savings account that earns 7% interest. How much will she have in total in 5 years? A.$10.50 B.$1050 C. $40.50 D. $32.50

Answers

Assuming simple interest.

Simple Interest = PRT/100

Simple Interest = 30 * 7 * 5 /100 = 10.50

Simple Interest = $10.50

Amount = Principal + Interest = $30 + $10.50 = $40.50

(C)

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