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kolezko [41]
3 years ago
7

Help me please,Thanks

Mathematics
2 answers:
Leona [35]3 years ago
5 0
Percent means parst out of 100
x%=x/100

15/75=x/100
5/25=x/100
20/100=x/100
20=x

answer is 20%
Monica [59]3 years ago
4 0
If you did the math it is obvious that the answer is 20%
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When i muiltplyied 3.675 x 10 i got 36.75. my question is why did the decimal move? and how.
qaws [65]

Answer:

It moved because of this:

Step-by-step explanation:

the number 10 has one 0 in it.

you move the decimal place over how many times depending on how many 0s there are, so because there is <u>one</u><u> </u>0 in 10, you move it over <u>once</u>.

hope this helped!

3 0
3 years ago
3. Use each number line to show a different way to count from $580 to $994
Amiraneli [1.4K]

What are the number lines though?

Give more info.

6 0
2 years ago
How many arrangements of 3 types of flowers are there if there are 6 types to choose from?,
taurus [48]
<span>Number of flowers = 6 Number of flowers to choose = 3 We need to solve it using permutations: 6!/3!=1*2*3*4*5*6/1*2*3 = 720/6 = 120 The answer is: there are 120 different arrangements using 3 types of flowers out of 6 types available</span>
5 0
3 years ago
Co-ordinate Geometry
saul85 [17]

Answer:

The value of a  = 14

Step-by-step explanation:

Given

(x₁, y₁) = (2, 4)

(x₂, y₂) = (6, a)

(x₃, y₃) = (-1, 1)

A = 9 sq.units

Area of a triangle with vertices (x₁, y₁), (x₂, y₂), and (x₃, y₃) is:

A=\frac{\left|x_1\left(y_2-y_3\right)+x_2\left(y_3-y_1\right)+x_3\left(y_1-y_2\right)\right|}{2}

substituting the values (x₁, y₁) = (2, 4), (x₂, y₂) = (6, a), (x₃, y₃) = (-1, 1), A = 9 in th formula

A=\frac{\left|x_1\left(y_2-y_3\right)+x_2\left(y_3-y_1\right)+x_3\left(y_1-y_2\right)\right|}{2}

9=\frac{\left|2\left(a-1\right)+6\left(1-4\right)+-1\left(4-a\right)\right|}{2}

Multiply both sides by 2

\frac{2\left|2\left(a-1\right)+6\left(1-4\right)-1\left(4-a\right)\right|}{2}=9\cdot \:2

simplify

\left|2\left(a-1\right)+6\left(1-4\right)-1\left(4-a\right)\right|=18

As the area is always positive.

so

2\left(a-1\right)+6\left(1-4\right)-1\cdot \left(4-a\right)=18

2\left(a-1\right)-18-\left(4-a\right)=18

Add 18 to both sides

2\left(a-1\right)-18-\left(4-a\right)+18=18+18

simplify

2\left(a-1\right)-\left(4-a\right)=36

3a-6=36

3a=42

Divide both sides by 3

\frac{3a}{3}=\frac{42}{3}

a=14

Thus, the value of a  = 14

7 0
2 years ago
Please help will mark brainliest
inn [45]

Answer:

109

Step-by-step explanation:

alternate exterior angles

7 0
3 years ago
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