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nordsb [41]
3 years ago
7

Solve the ratio with solution nonsense=report1.23:672.67:89​

Mathematics
1 answer:
aliya0001 [1]3 years ago
6 0
<h3>Step by step explanation:</h3><h3>23:67</h3><h3> 23÷67--Convert the ratio into a fraction using a÷b=a/b</h3><h3>23/67--Calculate the approximate value</h3><h3>0.343284--Round the number to the nearest ten thousand</h3><h3>0.3443--Write a decimal fraction</h3><h3>34.33/100--by definition p/100=p%</h3><h3>Answer:</h3><h2>1.34.33%</h2>

<h3>67:89</h3><h3> 67÷89--Convert the ratio into a fraction using a÷b=a/b</h3><h3>67/89--Calculate the approximate value</h3><h3>0.752809--Round the number to the nearest ten thousand </h3><h3>0.7528--Write as decimal fraction</h3><h3>75.28/100--by definition p/100=p%</h3><h3>Answer:</h3><h2>2.75.28%</h2>

<h2>That's the correct answer</h2><h2>Liked my answer </h2><h2>Brainliest</h2>
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Step-by-step explanation:

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3 years ago
At a car dealership yesterday, the ratio of trucks sold to cars sold was 5.6. If the dealership sold 30 cars, how many trucks we
aleksley [76]

Answer:

25

Step-by-step explanation:

ratio 5:6

\frac{5}{6} = \frac{x}{30}

6x = 5(30)

6x = 150

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3 0
3 years ago
I need help with this queston
ozzi

Answer:

<h2>(55/27, 32/9)</h2>

Step-by-step explanation:

The system of equations is

3x+7y=31 \\3x-2y=-1

The first step is to arrange like terms in colums, which is already done.

Then, we need to multiply a number by one equation in such way where we get opposite like terms. Notice that we need to multiply the first equation by -1

-3x-7y=-31\\3x-2y=-1

Then, we sum equations to obtain the value of one variable.

0-9y=-32\\y=\frac{-32}{-9}\\ y=\frac{32}{9}

Now, we use this value to find the second variable

3x-2y=-1\\3x-2(\frac{32}{9} )=-1\\3x=-1+\frac{64}{9}\\ 3x=\frac{-9+64}{9}\\ 3x=\frac{55}{9}\\ x=\frac{55}{27}

Therefore, the solution is (55/27, 32/9).

(The image attached shows the graphic solution)

5 0
3 years ago
33. Suppose that the scores on a statewide standardized test are normally distributed with a mean of 78 and a standard deviation
tino4ka555 [31]

Given the scores on a statewide standardized test are normally distributed

Mean = μ = 78

Standard deviation = σ = 3

Normalize the data using the z-score by using the following formula and chart:

z=\frac{x-\mu}{\sigma}

Estimate the percentage of scores of the following cases:

(a) between 75 and 81

so, the z-score for the given numbers will be:

\begin{gathered} 75\rightarrow z=\frac{75-78}{3}=\frac{-3}{3}=-1 \\ 81\rightarrow z=\frac{81-78}{3}=\frac{3}{3}=1 \end{gathered}

As shown, the percentage when (-1 < z < 1) = 68%

(b) above 87

87\rightarrow z=\frac{87-78}{3}=\frac{9}{3}=3

The percentage when (z > 3) = 0.5%

(c) below 72

72\rightarrow z=\frac{72-78}{3}=\frac{-6}{3}=-2

The percentage when (z < -2) = 0.5 + 2 = 2.5%

(d) between 75 and 84

\begin{gathered} 75\rightarrow z=\frac{75-78}{3}=-\frac{3}{3}=-1 \\ 84\rightarrow z=\frac{84-78}{3}=\frac{6}{3}=2 \end{gathered}

The percentage when ( -1 < z < 2 ) = 68 + 13.5 = 81.5%

3 0
1 year ago
Are these functions? (Explanation please)
Gnom [1K]

Answer:

1 is not a function because it is not a consistent pattern

Step-by-step explanation:

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3 years ago
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