What is 1 half subtract 1 tenth

Answers

Answer 1

Answer: To solve for $(1)/(2)- (1)/(10)$ You first need to find a common denominator.

To do so, you need to make both denominators 10 by multiplying the top and bottom of $(1)/(2)$ by 5

$(5)/(10)- (1)/(10)$ = $(4)/(10)$ Reduce by dividing both the top and bottom by 2

Your answer is $(2)/(5)$

Answer 2

Answer: The answer is 0.4 that is what i got

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The perimeter of a rectangle is 48 in. If the length is twice the width, what is the length of the rectangle?

Answers

Step one: We need to find the formula for perimeter. And we can't just say "count all the sides". How can we express it? It's length + length + width + width, right? Let's size that down a little bit. 2*length 2*width. We'll use w to express "width" and 2w to express "length".
2(w)+2(2w)=48.
6w=48.
w=8.
Since length is twice the width, 8*2 is 16. Length=16.

You can check it by substituting the different values for length and width into the equation 2w+2l=perimeter.
2(8)+2(16)=48. Is this true? Yep! So you know you're right.

What are the zeros of the function? what are their multiplicities? f(x)=x^4-4x^3+3x^2

Answers

f ( x ) = x² ( x² - 4 x + 3 ) =
= x² ( x² - 3 x - x + 3 ) =
= x² ( x ( x - 3 ) - ( x - 3 ) ) =
= x² ( x - 3 ) ( x - 1 ) = 0
x² = 0 ⇒ x = 0
x - 3 = 0 ⇒ x = 3
x - 1 = 0 ⇒ x = 1
The zeroes of the function are: x = 0, x = 1 and x = 3.
Answer:
B ) The number 0 is a zero of multiplicity 2; the numbers 1 and 3 are zeroes of the multiplicity 1.

A system of two equations is shown below: Equation C: a = 2b + 7 Equation D: a = 5b − 3 What value of a can be substituted into equation D to solve the system of equations?

Answers

Answer:

C i believe so

Step-by-step explanation:

Answer:

2b + 7

Step-by-step explanation:

i took the test and got it right

grant plans to evaporate enough water from 22 gallons of a 16% ammonia solution to make a 24% ammonia solution. Which equation can he use to find n, the number of gallons of water he should remove?

Answers

The equation to get the number of gallons of water he should evaporate
= 22 - (22 x 0.16)/0.24

Mike observed that 75% of the students of a school liked skating. If 35 students of the school did not like skating, the number of students who liked skating was ______. (only put numeric values, no other symbols)

Answers

we are given that 35 students do not like skating and that 75 % of the students like skating otherwise. This means 25 % of the students dont like skating. Hence the total number of students is 35/0.25 equal to 140 students. 75 percent of 140 students is the answer equal to 105 students

Need help with the question

Answers

Answer:

a = -21

Step-by-step explanation:

Multiply the equation by the reciprocal of the coefficient of 'a'.

(-7/6)(-6/7)a = (-7/6)(18)

a = (-7)(18/6) = (-7)(3)

a = -21

Answer:

I think the answer is a=-1/21

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To celebrate the first day of school, Reagan brought in a tray of caramel brownies and walnut brownies. The tray had a total of 20 brownies, of which 10% were caramel. How many caramel brownies did Reagan bring?