about 0.4 of a biology class will be going on a field trip . write the decimal as a fraction in simplest form .

1 answer:

3 0

0.4 is $\frac{4}{10}$ and that simplified is $\frac{2}{5}$ because you take the GCF or Greatest Common Factor, which is two, and divide both parts of the fraction taking $\frac{4}{10}$ and turning it into $\frac{2}{5}$

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Someone please help me in this question it is kind of confusing it is a question under pre calculus in first year calculus i wil

masya89 [10]

Neither P, nor A are on the sketch
I guess P is the upper right corner of the rectangle
and A=(0,1)

P belongs to the line going through (1,0) and B(0,y)
but we don't know the y-coordinate of B 

the triangle is right and isosceles, so pythagoras a²+a²=2² ... 2a²=4 ... a²=2 ... a=sqrt2 
now look at the right triangle BOA
his hypotenuse is AB=sqrt2 and the the kathete OA is 1 
so y²+1²=(sqrt2)² ... y²+1=2 ... y²=1.. y=1
so the coordinates of B are (0,1)

the line going through (1,0) and (0,1) is L(x)=-x+1

P belongs to this line, so the coordinates of P are P(x,-x+1) (0<x<1)

b) so if that's P, the height of the rectangle is -x+1 and the width=2x
so its area A(x)=2x*(-x+1)= -2x²+2x

I hope my answer has come to your help. Thank you for posting your question here in Brainly.

5 0

3 years ago

Jonathan is 6 feet 2 inches tall. There are 2.54 centimeters in 1 inch. What is Jonathan’s height in centimeters?

VikaD [51]

Answer:

187.96

Step-by-step explanation:

yeah

3 0

3 years ago

I really need help with these I have no brain when it comes to math T^T

umka21 [38]

Answer: 4th option

Explanation:

x = 2/3 • pi • r^3
x divide by 2/3 = pi • r^3
x • 3/2 = pi • r^3
3x/2 = pi • r^3
3x/2 divide by pi = r^3
3x/2 • 1/pi = r^3
3x/2(pi) = r^3
Cube root(3x/2(pi)) = r

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3 years ago

What is -7/12 + 7/10

KiRa [710]

0.1 or 0.16(000000000000000000000)

7 0

3 years ago

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What is 2/4 in simplest form

Gennadij [26K]

2/4 in simplest form:

First, to find the simplest form of a fraction, you'll need to find the greatest common factor (GCF). To do this, we can list the factors of 2 and 4 and find the first common one.

Factors of 2: 1, 2
Factors of 4: 1, 2, 4

Since 2 is our first common factor, it is our GCF.

Second, we can now take our GCF (2) and divide it with our numerator and denominator. We will get a new numerator and denominator.

$2 \div 2 = 1 \\ 4 \div 2 = 2$

Answer in fraction form: $\fbox {1/2}$
Answer in decimal form: $\fbox {0.5}$

6 0

4 years ago

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