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3 years ago

You are on a 5.6-mile run and have already run 1.98 miles. How many more miles do you need to run?

Mathematics

2 answers:

Mumz [18]3 years ago

5 0

5.6-1.98=3.62 miles left to run

Likurg_2 [28]3 years ago

4 0

Answer:

3.62 miles need to be run

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A chef plans to mix 100% vinegar with Italian dressing. The Italian dressing contains 12%

Hitman42 [59]

Answer:

Amount of vinegar. 100% : 20 milliliters

Amount of Italian dressing: 140 milliliters

Step-by-step explanation:

Let's call A the amount of vinegar. 100%

Let's call B the amount of Italian dressing . 12% vinegar

The resulting mixture should have 23% vinegar, and 160 milliliters.

Then we know that the total amount of mixture will be:

$A + B = 160$

Then the total amount of pure antifreeze in the mixture will be:

$A + 0.12B = 0.23 * 160$

$A + 0.12B = 36.8$

Then we have two equations and two unknowns so we solve the system of equations. Multiply the first equation by -1 and add it to the second equation:

$-A -B = -160$

$A + 0.12B = 36.8$

--------------------------------------

$-0.88B = -123.2$

$B = \frac{-123.2}{-0.88}$

$B = 140\ milliliters$

We substitute the value of B into one of the two equations and solve for A.

$A + 140 = 160$

$A = 20\ milliliters$

7 0

3 years ago

Imagine we are throwing a five-sided die 50 times. On average, out of these 50 throws, how many times would this five-sided die

olganol [36]

16.6 times because if there is 3 numbers you simply divide it into 50

4 0

3 years ago

Read 2 more answers

How many bus can fit in a room

RSB [31]

Answer: depending on the size of the room and what kind of bus

Step-by-step explanation:

8 0

3 years ago

What is the prime factorization of 200? 2 2 × 5 3 2 3 × 5 2 2 4 × 5 2 × 5 4

Misha Larkins [42]

Answer:

2^3 * 5^2

Step-by-step explanation:

We need to break 200 down into prime numbers

200 = 20*10 These are not prime

= 4*5 * 2*5 The 4 is not prime

= 2*2*5 * 2*5 This is prime

Rearranging

= 2*2*2*5*5

= 2^3 * 5^2

8 0

3 years ago

If Jeremy is in the 90th percentile in the main office test scores is 180 with a standard deviation of 15 which of the following

Alika [10]

199.

the z score for the 90th percentile is 1.28, so you can solve the equation

$\frac{x-180}{15} = 1.28$

which gets you the 199

4 0

3 years ago