How do I write 0.45 as a reduce Fraction??

Answers

Answer 1

Answer:
turn it into 45/100 and then divide by 5 to get 9/20

Answer 2

Answer: 0.45 as a reduced fraction is 45/100=9/20

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Math question please help

Answers

a flight that travels 525 miles would cost $81

The vertices of a quadrilateral ABCD are A(4, 8), B(10, 10), C(10, 4), and D(4, 4). The vertices of another quadrilateral EFCD are E(4, 0), F(10, -2), C(10, 4), and D(4, 4). Which conclusion is true about the quadrilaterals? (5 points)A.The measure of their corresponding angles is equal.
B.The ratio of their corresponding angles is 1:2.
C.The ratio of their corresponding sides is 1:2
D.The size of the quadrilaterals is different but shape is same.

Answers

ABCD are A(4, 8), B(10, 10), C(10, 4), and D(4, 4).
EFCD are E(4, 0), F(10, -2), C(10, 4), and D(4, 4).

After plotting the points, the conclusion that is true about the quadrilaterals is "A.The measure of their corresponding angles is equal." ABCD is just a reflection of EFCD.

Answer:

A.The measure of their corresponding angles is equal.

Step-by-step explanation:

I got it right on a FLVS test

If the perimeter of an equilateral triangle is 24 inches, find a side of the triangle

Answers

Divide 24/3 since it's an equilateral triangle, all sides and angles are equal. THe answer is 8.

It is 8 because you take 24 and divide it by 3

How do I find the vertex of the equation y= (x+7)^2 - 5 ?

Answers

Follow through with the function (x+7)²
(x+7)² is the same as (x+7)(x+7).
You get x² + 14x + 49
Plug it back into the equation to get
y=x² + 14x + 49 - 5, which equals y=x² + 14x + 44
The formula for the x point in the vertex is -b/2a. (a is x² and b is x)
So -14/2 = -7 = x
Plug this into the equation.
y=-7² + 14(-7) + 44
y=49 - 98 + 44
y=-5

(-7, -5)

I apologize for the error beforehand--I typed 49 instead of 44 and ended up with 0 instead of -5.

If you have an equation in the vertex form $y=(x-h)^2+k$ the vertex is $(h,k)$

In your case $h=-7,k=-5$ so the vertex is $(-7,-5)$

what is the answer to Jody has a rectangular piece of fabric 7/8 yard long and 4/5 wide. what's the area of the fabric? and Jody shares a piece with her friend what is the area of what each person gets?

Answers

Answer:

The area of the fabric is 7/10 square yards.

Each person will get 7/20 square yards.

Step-by-step explanation:

Length of the rectangular piece of fabric is 7/8 yards

and the width of the rectangular piece of fabric is 4/5 yards

Area of a rectangle is given by

Area = length × width

On substituting the known values, we get

$A=(7)/(8)*(4)/(5)\n\nA=(7)/(10)\text{square yards}$

Thus, the area of the fabric is 7/10 square yards.

Now it has been given that Jody shares the piece with his friend. It means that the area should be divided in two equal parts.

Hence, each person will get

$(1)/(2)*(7)/(10)=(7)/(20)$

Each person will get 7/20 square yards.

$A=\frac { 7 }{ 8 } \cdot \frac { 4 }{ 5 } \n \n =\frac { 28 }{ 40 } \n \n =\frac { 4\cdot 7 }{ 4\cdot 10 } \n \n =\frac { 7 }{ 10 }$

The area is 7/10 yards squared.

Divide this are between two:

$\frac { 7 }{ 10 } \cdot \frac { 1 }{ 2 } \n \n =\frac { 7 }{ 20 }$

Jody and her friend would each have 7/20 yards squared of the area.

The voltage V required for a circuit is given by $v=√(PR)$ , where P is the power in watts and R is the resistance in ohms.How many more volts are needed to light a 100-watt light bulb than a 75-watt light bulb if the resistance of both is 110 ohms? Round answer to the nearest tenth.

Answers

Answer:

✓11000-✓8250=~ 14 volts

Step-by-step explanation:

the answer is the difference by 100-watt light bulb to a 75 light bulb.

so, all you have to do is this:

v1-v2--------> ✓PR-✓P2R2

so you'll have ✓100.110-✓75.110= ✓11000-✓8250= 14

I hope it helps

Final answer:

By using the formula v=√PR, it is calculated that approximately 13.8 more volts are needed to light a 100-watt bulb than a 75-watt bulb, both having a resistance of 110 ohms.

Explanation:

To find out how many more volts are needed to light a 100-watt light bulb than a 75-watt light bulb, the amount of voltage required for each bulb is to be calculated using the given formula v= √PR, and then subtracted to find the difference.

For voltage required to light a 100-watt bulb:

v100= √(100W * 110 ohms) = 105.4 volts

For 75-watt bulb:

v75 = √(75W * 110 ohms) = 91.6 volts

The difference in voltage:

v100 - v75 = 105.4V - 91.6V = 13.8V

So, approximately 13.8 more volts are needed to light a 100-watt bulb than a 75-watt bulb, when rounded to the nearest tenth.

Learn more about Voltage calculation here:

brainly.com/question/31684068

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