Need to know how to solve step by step 67.8 × 0.45

Answers

Answer 1
Answer:

Answer:

The answer is 30.510.

Step-by-step explanation:

Given expression is :

67.8*0.45

First we will multiply the numbers without decimal.

This becomes 678*45=30510

Now, 67.8 has 1 decimal point and 0.45 has 2 decimal places.

Therefore, the answer will have 3 decimal places.

This makes the answer as 30.510.

Answer 2
Answer: You a line the decimal points right above each other and add the .45 to .8

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I need help with #11. I've just started Trig today. The back of the book says the answer is 0.75 if that helps.

Answers

Hi,
BC²=CA²-BA²=13-9=4=2² (Pythagore)

CB/ED=AB/AD (Thalès)
2/2.5=3/AD==>AD=3*2.5/2=7.5/2
DB=DA-AB=7.5/2-3=0.75
I don't know how you call this 2 theorems (sorry)

The expression 3 1/2x + 18 represents the perimeter of the rectangle shown. Write an expression that represents the length of the rectangle.

Answers

Answer:

Step-by-step explanation:

height = ¼x+5

perimeter = 2(length)+2(height)

3½x + 18 = 2(length) + 2(¼x + 5)

3½x + 18 = 2(length) + ½x + 10

3x + 8 = 2(length)

length = 1½x + 4

Rewrite each statement using symbols
Fourteen more than six

Answers


6 + 14

you have the number 6 add 14 more



Triangle ABC is similar to triangle YBX. Find the value of n. The figure is not drawn to scale.

Answers

Answer:

16

Step-by-step explanation:

Set up a proportion: 27/12=36/n

Solve algebraically: 27n=432

n=16

Therefore, 16

ken has 12.2-ounce bottle of ketchup. he uses 1/20 of the ketchup every time he has a buffalo burger. how many ounces of ketchup are left after LAN has eaten 4 buffalo burgers ?

Answers

Steps:
1. You do 1/20 times 4 which equals 1/5 (when simplified)
2. You convert 1/5 to 2/10 which can be turned into
.2
3. You do 12.2 minus .2
4. Your answer is
12 ounces

What is 123.5 as a fraction?

Answers

123 5/10 becuase everything on the left side of the dcimal is a whole number and everything on the right side is a fraction. The 5 is in the 10 place so the denominator would be 10 and the numerator would be 5. Your answer is 123 5/10 or simplified, 123 1/2