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mafiozo [28]
4 years ago
13

two numbers that are the same distance from zero on a number line, but are in oposite directions. (-2 and 2)

Mathematics
1 answer:
Darina [25.2K]4 years ago
3 0
Opposites is your answer 
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Jeremy is driving to his friends house that is 60 miles away from his home the scale on Jeremy's map is 1 1/2 inches equivalent
defon

Answer:

The distance between their house on the map is 10 inches.

Step-by-step explanation:

In order to calculate the distance from Jeremy's friend house to his we can apply a rule of three in a way that 60 miles is related to "x" inches in the same proportion as "1 1/2" inches is related to 9 miles. Before applying that it'll be for the best if we convert the mixed fraction to a pure fraction as shown below:

d = 1\frac{1}{2} = 1 + \frac{1}{2} = \frac{2}{2} + \frac{1}{2} = \frac{3}{2}

Creating the rule of three:

\frac{60}{9} \frac{\text{miles}}{\text{miles}} = \frac{x}{\frac{3}{2}} \frac{\text{inches}}{\text{inches}}\\\\9*x = \frac{60*3}{2}\\\\x = \frac{180}{18}\\\\x = 10 \text{ inches}

The distance between their house on the map is 10 inches.

3 0
3 years ago
Is the HCF of a^3-8, a^4+16 and a^3+2a^2+4a just 1?<br> Please answer........
Flauer [41]
First we find the factors
a^3-8 is the differnce between 2 perfect cubes and is factored out to
(a-2)(a^2+2a+4)
the factors are (a-2) and (a^2+2a+4)

a^4+16
this is not factorable, unless you mistiped it and it was really a^4-16
the factor is 1


a^3+2a^2+4a
factor out the a
a(a^2+2a+4)
this is the most factored out form
the factors are (a) and (a^2+2a+4)


there are no common factors except 1 so 1 is the answer
3 0
3 years ago
Jane will spin the spinner below 30 times. How many times would Jane expect it to land on an even number? the numbers on the spi
Sedbober [7]

Answer:

below 15 times

Step-by-step explanation:

If the numbers on the spinner are 1, 2, 3, 4, 5, 6 (six numbers) the even numbers are 2, 4, 6 ( three numbers) than 3 out of 6 numbers on the spinner are even.

If Jane will spin the spinner below 30 times the is expected that less than half of the time 30/2 = 15 times will be an even number.

7 0
3 years ago
three couples go to the movies and sit together in a row of six seats. In how many ways can they arrange themselves if each coup
vagabundo [1.1K]

Answer:

6

Step-by-step explanation:

im just gonna name these couples by numbers 1 , 2 and 3 and each couple will take up 2 seats together.

1 2 3

3 2 1

2 3 1

1 3 2

2 1 3

3 1 2

7 0
3 years ago
Read 2 more answers
Describe a real world situation for the equation +4+(-4=0
Likurg_2 [28]
You could use the equation
+4+(-4)=0 if:

-you earn $4 and spend it

-buying 4 candy bars then eating them

-earning 4 points then losing them
6 0
3 years ago
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