3 years ago

The area of the shaded triangle is 5x2+3x-4. What is the area of the entire figure?

Mathematics

1 answer:

Phoenix [80]3 years ago

3 0

The answer will be 2 cuz you multiply them at the answers

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The mean weight of females in a class is 60kg and that of the males is 72kg. If the mean

zimovet [89]

Answer:

1:2

Step-by-step explanation:

Let's say there are x males and y females in the class.

The sum of all male weights will be 72x, and the sum of all female weights will be 60y.

If we get a class mean weight, we have:

(72x + 60y) / (x+y) = 68

72x + 60y = 68x + 68y

4x = 8y

y / x = 4/8 = 1/2

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3 years ago

Express 0.000000015 in scientific notation

babymother [125]

1.5 times 10 to the -8th power

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2 years ago

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The diagonal of a square is 60 in, as shown

andre [41]

Answer:

The length of side is 42.4 inches.

Step-by-step explanation:

Given that:

Diagonal of square = 60 inches

As all sides of a square are equal, thus

Side of square = x

The diagonal will be the hypotenuse of a right angled triangle.

Using Pythagorean theorem;

$x^2+x^2=(60)^2\\2x^2=3600\\x^2=\frac{3600}{2}\\x^2=1800$

Taking square root on both sides

$\sqrt{x^2}=\sqrt{1800}\\x=42.4$

Hence,

The length of side is 42.4 inches.

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2 years ago

It costs $15 per hour to rent a bike. The additional fee for a helmet is $3 for the entire ride.

STatiana [176]

Answer:

okay and how many hours?

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3 years ago

Triangle ABC has vertices at A(−3, 4), B(4, −2), C(8, 3). The triangle is translated 4 units down and 3 units left. Which rule r

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Answer:

(x,y) ⇒ (x - 3) (y - 4)

C(5, -1)

Step-by-step explanation:

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