2 years ago

Does anyone know how to do this if so please help immediately!!!

Mathematics

1 answer:

aksik [14]2 years ago

4 0

just move the protractor to the diagram/line and measure the angle from the side of the lil curved line :)

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William is 3 years, older than Charmine. The sum of 3 times Charmaine's age and 2 times William's age is 76. How old are William

lana66690 [7]

William is 17 years old and Charmaine is 14 years old.

Step-by-step explanation:

Let x be the age of William and y be the age of Charmaine

Then

William is 3 years, older than Charmine.

x = y+3 Eqn 1

The sum of 3 times Charmaine's age and 2 times William's age is 76.

2x+3y = 76 Eqn 2

Putting x = y+3 in Eqn 2

$2(y+3)+3y=76\\2y+6+3y=76\\5y+6=76\\Subtracting\ 6\ from\ both\ sides\\5y+6-6=76-6\\5y=70\\Dividing\ both\ sides\ by\ 5\\\frac{5y}{5} = \frac{70}{5}\\y=14\\Putting\ the\ value\ of\ y\ in\ Eqn\ 1\\x=y+3\\x=14+3\\x=17$

Hence,

William is 17 years old and Charmaine is 14 years old.

Keywords: Linear equations, Variables

Learn more about linear equations at:

#LearnwithBrainly

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2 years ago

3. The three angles of a triangle measure x°, y° and 46°. Which of the following statements must be true?

Brrunno [24]

Answer:es ist die d

Step-by-step explanation:weil

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2 years ago

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What is Four more than twice a number is -10?

Katena32 [7]

4+2x=10
2x=10-4
2x=6
X=6/2
X=3

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2 years ago

What is the equivalent fraction of 2/6

Leto [7]

1/3 because 2/6 divided 2/2 equals 1/3

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2 years ago

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2. 1. Calculate the interest if the principal is $300, the interest rate is 7% and the time is 2 years.

Andreas93 [3]

Answer:

$42

Step-by-step explanation:

Given

Principal (P) = $300

rate of interest (R) = 7%

Time (7T) = 2 years

Interest (I) = ?

We know

I = PTR / 100

= 300 * 7 * 2 / 100

= $ 42

Hope it will help :)❤

4 0

2 years ago