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Alex73 [517]
2 years ago
13

C%5C%20work%20%5C%3A%20out%20%5C%3A%20%20%5Cfrac%7B33%7D%7B400%7D%20%20%5C%3A%20as%20%5C%3A%20a%20%5C%3A%20dicimal" id="TexFormula1" title=" as \: a \: dicimal \: \frac{11}{40} = 0.275 \\ work \: out \: \frac{33}{400} \: as \: a \: dicimal" alt=" as \: a \: dicimal \: \frac{11}{40} = 0.275 \\ work \: out \: \frac{33}{400} \: as \: a \: dicimal" align="absmiddle" class="latex-formula">
​
Mathematics
1 answer:
kakasveta [241]2 years ago
8 0

Answer:

0.0825

Step-by-step explanation:

33/400=0.0825

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Factor using the trinomial<br> 10.<br> X2 + 13x + 12
Rudik [331]

Answer:

Factoring the trinomial: x^2+13x+12 we get the factors \mathbf{(x+1)(x+12)}

Step-by-step explanation:

We need to factor the trinomial: x^2+13x+12

We can factor the trinomial by breaking the middle term i.e 13x

Such that adding or subtracting gets the both terms we get 13x and multiplying both terms we get 12x^2

We can break 13x as: 12x and x

Adding them we get 13x and multiplying them we get 12x^2

So,

x^2+13x+12\\=x^2+12x+x+12\\=x(x+12)+1(x+12)\\=(x+1)(x+12)

So, Factoring the trinomial: x^2+13x+12 we get the factors \mathbf{(x+1)(x+12)}

8 0
3 years ago
PLEASE I NEED HELP 10 points (dont waste them) What is the area of this figure?
meriva

Answer:

1280

Step-by-step explanation:

I think it is 1280 because 20*16*8/2=1280. I am not 100% sure.

4 0
3 years ago
-10x+45 find x when x =15
leonid [27]
Your answer is -105 pal
3 0
3 years ago
Read 2 more answers
Suppose you have a five dollar off coupon at a fabric store you buy a fabric that cost $10 per yard
Lunna [17]
<h3>Answer:</h3>

1.) 10x-5=y

2.) $85

3.) 5.25 yards of fabric.

<h3>Step-by-step explanation:</h3>

1.) To write an equation for this problem, we need to figure out what every value means:

the variable x, represents the amount of yards of fabric you can buy

the variable y, represents the total amount of money after you found out (x) or the amount of yards of fabric.

1 yard of fabric equals $10, and we have a $5 coupon (-5)

Our equation is:

10x-5=y

This equation represents the relationship between the total cost of fabric, and the amount that you can buy.

2. In order to solve this problem we need to use our equation, one value is given which is 9.

9 represents x, the amount of yards of fabric.

Substitute 9 into x:

10(9)-5=y

<h3>Solve:</h3>

90-5=y

85=y

85 represents the cost of 9 yards of fabric, including the $5 coupon.

3.) This problem is similar to #2, although it's flipped.

The value given is $47.50, which represents (y), the total amount of money after (x) was found out.

But, we need to figure out (x).

Substitute $47.50 into (y):

10(x)-5=$47.50

Next, we need to figure out x by solving the opposite.

Adding the coupon to our answer can represent 10(x).

$47.50+5=52.50

10(x)=52.50

Lastly, divide both sides of the equation by 10.

10(x) / 10=52.50 /10

x=5.25

5.25 represents the amount of yards of fabric purchased if you paid $47.50.

7 0
2 years ago
How do you find the area of a right triangle without the height?
ch4aika [34]
If you know the measurements of 2 sides not the height , you can apply Pythagorean theorem to find the height. Square root of the sum of the squared sides 
7 0
3 years ago
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