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Rudiy27
4 years ago
9

EXPLAIN HOW YOU WRITE PRODUCTS WHEN THEY ARE NOT ENOUGH DIGITS IN THE PRODUCT TO PLACE THE DECIMAL POINT?

Mathematics
2 answers:
allsm [11]4 years ago
7 0

You fill the extra places you need with zeros.

Andrews [41]4 years ago
4 0

The <em>correct answer</em> is:

You fill in the missing spaces with zeros.

Explanation:

When we multiply decimals, we multiply the digits the same way we would whole numbers. When we get the product, we count the number of digits in the problem that are behind a decimal point; this will be the number of decimal places in the answer. If we do not have enough spaces, we replace them with zeros.

For instance, if we multiply two numbers that are each in the hundredths place, we will have 2+2 = 4 decimal numbers in our answer. If our answer gives us only 3 digits, we place a zero in front and then place the decimal.

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Which expression is a factor of 9r^2-4r+1
faltersainse [42]

Answer:

There are no real factors for this.

Step-by-step explanation:

We could answer this either by checking each listed expression to see whether it is a factor of 9r^2-4r+1, or

We could take the coefficients of 9r^2-4r+1, determine the quantity b²-4ac (called the 'discriminant') and draw a conclusion based upon whether the discriminant is -, + or 0.

Let's use the 2nd approach.

Here, a = 9, b = -4 and c = 1.

Then the discriminant is b²2 - 4ac, or (-4)² - 4(9)(1), or 16 - 36.

Since 16 - 36 is negative, we conclude that this 9r^2 - 4r + 1 has NO REAL FACTORS.

6 0
3 years ago
A granola bite contains 27 calories. Most of the calories come from $$ grams of carbohydrates. The rest come from other ingredie
Yakvenalex [24]

Answer:

c = 5.5

Step-by-step explanation:

c represents the grams of carbohydrates

27 is the total number of calories that are received by the granola bite.

4 is the number of calories from 1 gram of carbohydrates and

5 is the number of calories that are received from other ingredients.

Answer of Part a:

5 is the number of calories that are received from other ingredients.

Part b:

take left hand side (LHS) and put values of c = 8 and 3 one by one.

So, LHS becomes:

4 \times 8 + 5 = 37 4 \

times 3 + 5 = 17 

So, Priya is correct that neither 8 or 3 could be solution.

Part c:

So, solution to the equation is: c = 5.5

8 0
3 years ago
Jan plans to spend $100 on a pair of jeans and shirts. She buys 2 shirts for $24 each. What is the most she can spend on the jea
Volgvan

Answer:

52

Step-by-step explanation:

24+24=48

100-48=52

6 0
3 years ago
Read 2 more answers
Throughout this activity, the scale factor, n, has been a positive value. However, a scale factor for dilations can also be nega
statuscvo [17]
PLATO , Sample answer had to do it myself through another account so I don’t get scammed, your welcome for future kids

3 0
3 years ago
A road has a 10% grade. 1. What is the angle of elevation of the road? 2. If the road is 2km long, how much does it rise?
malfutka [58]
1.  m = rise/run
m = 10/100 = 0.1
tan α = 0.1
α = tan^(-1) 0.1 
α = 5.71 °
2. 2 km = 2,000 m
 x² + ( 0.1 x )² = 2,000²
 x² + 0.01 x² = 4,000,000
 1.01 x² = 4,000,000
 x = 1,990 m
 h = 1,990 m * 0.1
 h = 199 m
 
The road rises 199 m.
3 0
4 years ago
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