MATHEMATICS HIGH SCHOOL

What is 0.90 as a fraction

Answers

Answer 1
Answer: 90/100 because .90 ends in the hundredths place which would leave you denominator 100 and your numerator the number its self which was 90.
Answer 2
Answer: the answer is 90/100

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Which statements are true about the linear inequality y > 3/4 x – 2? Check all that apply.The slope of the line is –2.


The graph of y > 3/4 x – 2 is a dashed line.


The area below the line is shaded.


One solution to the inequality is (0, 0).


The graph intercepts the y-axis at (0, –2).

Answers

The correct statements regarding the inequality given above are as follows:

The area below the line is shaded since it is an inequality with a number of possible solution. The graph intercepts the y-axis at (0, –2) as seen from the equation above.

Hope this answers the question.

Answer:

The area below the line is shaded

since it is an inequality with a number of possible solution.

The graph intercepts the y-axis at (0, –2) as seen from the equation above.

Step-by-step explanation:

In one day, Annie traveled 5 times the sum of the number of hours brian traveled and 2. Together they traveled 20 hours. Find the number of hours each person traveled

Answers

Brian traveled 1 2/3 hours while Annie traveled 18 1/3 hours.

Explanation:
Let b be the number of hours Brian travels. Annie travles 5 times the sum of Brian's hours and 2, or 5(b+2). Together they travel 20 hours:
5(b+2)+b=20.

Use the distributive property:
5*b+5*2+b=20
5b+10+b=20.

Combine like terms:
6b+10=20.

Subtract 10 from both sides:
6b+10-10=20-10
6b=10.

Divide both sides by 6:
6b/6=10/6
b=5/3=1 2/3.

Brian travels 1 2/3 hours. This means Annie travels
5(1 2/3+2)=5(3 2/3)=5(11/3)=55/3=18 1/3 hours.

Annie and Brian traveled 18.3 hours and 1.7 hours respectively

Further explanation

Simultaneous Linear Equations can be solved using one of the following methods :

  • Elimination Method
  • Substitution Method
  • Graph Method

Let's try to solve the problem now.

Let :

Annie's number of hours = A

Brian's number of hours = B

If Annie traveled 5 times the sum of the number of hours brian traveled and 2 , then it could be written as :

\boxed {A = 5 * ( B + 2 )} → Equation 1

If together they traveled 20 hours , then it could also be written as :

\boxed {A + B = 20}

5 * ( B + 2 ) + B = 20  ← Equation 1

5B + 10 + B = 20

6B = 20 - 10

6B = 10

B = 10 / 6

B = (5)/(3) ~ hours

\boxed {\boxed {B \approx 1.7 ~ hours} }

A = 5 * ( (5)/(3) + 2 )

A = 5 * ( (5)/(3) + (6)/(3) )

A = 5 * ( (11)/(3) )

A = (55)/(3)

\boxed {\boxed {A \approx 18.3 ~ hours} }

Learn more

Answer details

Grade: High School

Subject: Mathematics

Chapter: Simultaneous Linear Equations

Keywords: Elimination , Substitution , Graph , Method , Linear , Equation , Simultaneous

Mrs.Jacobsen purchased a 5-pound package of ground beef for $12.40. She decided to use 8 ounces each day for dinner recipes. What was the cost of ground beef per meal?

Answers

First, convert the 5lb figure to ounces. There are 16oz in 1lb, so in 5lb there are 80oz (16 x 5). This means you can get 80oz for $12.40. 8oz is ten times smaller than 80z, so divide the cost by ten also. 8oz = $1.24.

Final answer:

The cost of ground beef per meal is $1.24.

Explanation:

To find the cost of ground beef per meal, we first need to convert the total weight of the package from pounds to ounces. Since there are 16 ounces in a pound, a 5-pound package of ground beef is equal to 80 ounces. Next, we divide the cost of the package ($12.40) by the total number of ounces (80) to find the cost per ounce.

This calculation gives us $0.155 per ounce. Finally, since Mrs. Jacobsen is using 8 ounces each day for dinner recipes, we multiply the cost per ounce ($0.155) by the number of ounces used per meal (8) to find the cost of ground beef per meal. The cost of ground beef per meal is $1.24.

Learn more about cost of ground beef per meal here:

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PLEQAEEEE HELPPP MEEE

Answers

Answer:

Box 2 : ( 1,5,3,10,9)

[(5-3)×1]-(10-9)

(2*1)-1 =1

Box 3 : {1,6,2,8,7,4}

(1+6+3 -7)- (8÷4) =

10-7-2 = 1

Answer:

2) 1 · 5 + 9 - 3 - 10 = 1

3) 1 · 8 + 6 - 2 - 4 - 7 = 1

PLEASE HELP ASAP!!! CORRECT ANSWER ONLY PLEASE!!Factor x^2 + 2x - 15.

A) (x - 5)(x + 3)

B) (x - 5)(x - 3)

C) (x + 5)(x + 3)

D) (x + 5)(x - 3)

Answers

x^2 + 2x - 15=\n\nx^2-3x+5x-15=\n\nx(x-3)+5(x-3)=\n\n(x+5)(x-3) \Rightarrow \text{D}

25% of what nember is 19

Answers

You would do 0.25x (x is the unknown total number)=19. It is because of is a multiply sign, so 0.25*x=19. Divide both sides by 0.25 and you get 76 as your answer.
25% OF WHAT = 25% OF X = .25 OF X = .25X
.25X = 19
X = 19 DIVIDED BY .25
X = 19 DIVIDED BY 1/4
X = 19 X 4
X = 76
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