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3 years ago

A person walks 1/4 mile in 1/8 hour what is there miles per hour

1 answer:

5 0

1/4 miles in 1/8 hour
?mile in 1 hour
Step 1:
Cross Multiply
1×1/4=1/4
Step 2:
1/4÷1/8=2 miles. As a result,a person walks 2 miles in 1 hour. Hope it help!

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There are 5/7 as many barrettes as hair ties in Sasha's hair supplies. There are 5/8 barrettes as hair bands in her supplies. Wh

motikmotik

Answer:

1/3

Step-by-step explanation:

We are given ...

barrettes : hair ties = 5 : 7

barrettes : hair bands = 5 : 8

Then the combined ratios are ...

barrettes : hair ties : hair bands = 5 : 7 : 8

For every 5 barrettes, there are 7+8 = 15 hair ties and bands, so their ratio is ...

barrettes/(hair ties and bands) = 5/15 = 1/3

7 0

2 years ago

Read 2 more answers

Which of these statements is correct?

tatuchka [14]

Answer:

The system of linear equations 8x - 3y = 10 and 16x - 6y = 22 has no solution is correct.

Step-by-step explanation:

1) The system of linear equations 6x - 5y = 8 and 12x - 10y = 16 has no solution.

Solve these linear equations simultaneously

Step 1 : Find y in terms of x from any one equation

6x - 5y = 8

y = 8 - 6x

-5

Step 2 : Substitute y in terms of x from step 1 in the second equation.

16x - 6y = 22

16x - 6 (8 - 6x) = 22

-5

80x - 48 + 36x = 22 x -5

94x = 43

x = 0.457

This statement is incorrect as it does have a solution.

2) The system of linear equations 7x + 2y = 6 and 14x + 4y = 16 has an infinite number of solutions.

Solve these linear equations simultaneously

Step 1 : Find y in terms of x from any one equation

7x + 2y = 6

y = 6 - 7x

Step 2 : Substitute y in terms of x from step 1 in the second equation.

14x + 4y = 16

14x + 4(6 - 7x) = 16

14x + 12 - 14x = 16

0 ≠ 4

This statement is not true as there are no solutions.

3) The system of linear equations 8x - 3y = 10 and 16x - 6y = 22 has no solution.

Solve these linear equations simultaneously

Step 1 : Find x in terms of y from any one equation

8x - 3y = 10

x = 10 + 3y

Step 2 : Substitute x in terms of y from step 1 in the second equation.

16x - 6y = 22

16(10 + 3y) - 6y = 22

20 + 6y - 6y = 2

0 ≠ -18

This statement is true because there are no solutions

4) The system of linear equations 9x + 6y = 14 and 18x + 12y = 26 has an infinite number of solutions.

Solve these linear equations simultaneously

Step 1 : Find x in terms of y from any one equation

9x + 6y = 14

x = 14 - 6y

Step 2 : Substitute x in terms of y from step 1 in the second equation.

18x + 12y = 26

18 (14 - 6y) + 12y = 26

8 - 12y + 12y = 26

0 ≠ 18

This statement is incorrect because there are no solutions. It does not have infinite number of solutions.

!!

8 0

3 years ago

Read 2 more answers

Using the Pythagorean Theorem, give an example of three sides of a right triangle

VikaD [51]

Answer:

Two legs and an hypotenuse

Step-by-step explanation:

Isn’t that what your looking for?

8 0

3 years ago

11. What is the perimeter of the garden?

Ilya [14]

Answer:

19 $\frac{1}{4}$ or 18 $\frac{5}{4}$

Step-by-step explanation:

First, add the whole numbers

3, 7, and 8

Add the fractions

$\frac{1}{2}$ + $\frac{3}{4}$ = $\frac{5}{4}$

IF YOU WANT SIMPLIFIED NUMBER DO THIS

$\frac{5}{4}$ =1 $\frac{1}{4}$

18+1 $\frac{1}{4}$ =19 $\frac{1}{4}$

6 0

2 years ago

A. Find the vertex form equations (y = a(x - h)2 + k) for the parabolas below.

marta [7]

Answer:

y=-(x+3)^2

y=-x^2-6x-9

Step-by-step explanation:

i uh hope this is correct

hope thia helps <3

3 0

3 years ago