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gavmur [86]
4 years ago
13

10 points, thanks for the help :)

Mathematics
1 answer:
Margaret [11]4 years ago
7 0

Answer:

Step-by-step explanation:

Factoring an expression is the process of undoing the multiplication.

Assume you have a function f(x):

f(x)=x^2+2x-48

This can be factored:

f(x)=(x+8)(x-6)

Using multiplication and the distributive property, you arrive back to:

f(x)=x^2+2x-48

Then you can see clearly that all we've done is reverse the multiplication.

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...........................
cupoosta [38]

Answer:

3/5 or 0.6

Step-by-step explanation:

Here, given the value of tan theta , we want to find the value of sine theta

Mathematically;

tan theta = 0pposite/adjacent

Sine theta = opposite/hypotenuse

Firstly we need the length of the hypotenuse

This can be obtained using the Pythagoras’ theorem which states that the square of the hypotenuse equals sum of the squares of the two other sides.

Let’s call the hypotenuse h

h^2 = 3^2 + 4^2

h^2 = 9 + 16

h^2 = 25

h = √(25)

h = 5

Now from the tan theta, we know that the opposite is 3

Thus, the value of the sine theta = 3/5 or simply 0.6

5 0
4 years ago
If it takes 1 3/4 m of cloth to make a dress. How many dresses can be made from 10 1/2 m of cloth?
Amanda [17]

Answer:

6

Step-by-step explanation:

1¾ can go into 10½ 6 times

just divide them

7 0
3 years ago
Sixty percent (60%) of those who attended the soccer game were parents. There were 120 people who
IrinaVladis [17]

Answer:

72

Step-by-step explanation:

<u>Given:</u>

There were 120 people in total.

60% were parents.

<u>To find:</u>

Number of parents attended.

Solution:

1. 60% of 120

It can also be written as:

\frac{60}{100}\times \frac{120}{1}

Simplify

  • Cancel zeros

\frac{60}{100}\\\\=\frac{6}{10}

  • Divide by common factor (2)

\frac{6\div2}{10\div2}=\frac{3}{5}

2. \bold{\frac{3}{5}\times \frac{120}{1}}

Multiply

\frac{3\times120}{5\times1} = \frac{360}{5}

Divide

\frac{360}{5}= 360\div5=72

Therefore, 72 parents attended the game.

4 0
3 years ago
Help pls . .. a a z z z z . zz
zloy xaker [14]

Answer:

the lines are perpendicular

4 0
3 years ago
Read 2 more answers
Please Help! it's simple!
ss7ja [257]

Answer:

28.27

circumference of finding a circle divided by two.

(2\pi \:r {}^{2} ) \div 2

(2×3.14×9)/2

56.55/2

28.27

8 0
3 years ago
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