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3 years ago

How much more? To the nearest tenth, it holds __ cubic centimeters more than the other glass.

Mathematics

1 answer:

Andreyy893 years ago

4 0

Answer:

Two more cm. ALl you need to do now is convert it to cubic cm because I do not know how to do that.

Step-by-step explanation:

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ABC is a triangle right angled at A and D is a point on BC such that AD Ʇ BC. Show that AD2 = BD x DC. please answer fast URGENT

postnew [5]

Answer:

The answer is below

Step-by-step explanation:

Pythagoras theorem states that for a right angled triangle, the square of the hypotenuse side is equal to the sum of the square of the remaining sides. The hypotenuse is the longest side (that is side opposite to the 90° angle).

In right angle triangle ABD:

AB² = AD² + BD² (1)

In right angle triangle ACD:

AC² = AD² + CD² (2)

Also:

AC² + AB² = BC² (3)

But BC = BD + CD

AC² + AB² = (BD + CD)² (4)

Adding equation 1 and 2 gives:

AB² + AC² = (AD² + BD²) + (AD² + CD²)

AB² + AC² = 2AD² + BD² + CD²

substituting AC² + AB² = (BD + CD)²:

(BD + CD)² = 2AD² + BD² + CD²

BD² + 2(BD)(CD)+ CD² = 2AD² + BD² + CD²

2AD² = 2(BD)(CD)

AD² = BD * CD

6 0

3 years ago

Find coordinates of the image of the point A(3,9) for a dilation with the scale factor of 2/3

tiny-mole [99]

Answer:

The coordinates of the image of point A(3,9) for dilation with the scale factor of 2/3 will be: A'(2, 6)

Step-by-step explanation:

Given the point A with the vertices (3, 9) i.e. A(3,9)

As we know that If the scale factor is between 0 and 1, the image gets shrunk.

In order to dilation with a scale factor of 2/3, just multiply the x and y coordinates of the original point (3, 9) by 2/3.

i.e.

(x, y) → (2/3 x, 2/3 y)

so, the coordinates of the image of point A(3,9) for dilation with the scale factor of 2/3 will be:

A (x, y) → (2/3 x, 2/3 y) = A (2/3 (3), 2/3 (9)) = A'(2, 6)

Therefore, the coordinates of the image of point A(3,9) for dilation with the scale factor of 2/3 will be: A'(2, 6)

3 0

2 years ago

Select the matrix that represents the vector.

Liula [17]

<h3>Answer: Choice D</h3>

Explanation:

Start at the arrow tip. Move vertically until reaching the x axis. You'll arrive at x = 7 which is the x component of the vector.

Go back to the arrow tip. This time move horizontally until reaching the y axis, so you should arrive at y = -6

Therefore the vector is $\begin{bmatrix}7\\-6\end{bmatrix}$ which is in a column vector format. A row vector would have the numbers listed horizontally.

Put another way, the arrow tip is at the point location of (7,-6). This leads directly to the column vector mentioned in the previous paragraph.

5 0

2 years ago

Subtract (8.4 x 108) − (9.5 x 106).

Step2247 [10]

Based on the fact that the expressions to be subtracted have the same base, the result is 8.305 x 10⁸.

<h3>What is the result of the subtraction?</h3>

The first number in standard form is:

= 8.4 x 10⁸

= 840,000,000

The second number in standard form is:

= 9.5 x 10⁶

= 9,500,000

The result is:

= 840,000,000 - 9,500,000

= 830,500,000

In scientific notation this is:

= 8.305 x 10⁸

Find out more on scientific notation at brainly.com/question/5756316.

#SPJ1

4 0

2 years ago

Which amount is largest? 1kg 1dg 100g 1000mg

Paul [167]

Answer:

your answer would be 1kg

Step-by-step explanation:

5 0

3 years ago

Read 2 more answers