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SIZIF [17.4K]
3 years ago
14

Graph f(x)=2x−1 and g(x)=−x+5 on the same coordinate plane. What is the solution to the equation f(x)=g(x)f(x)=g(x) ? Enter your

answer in the box.

Mathematics
2 answers:
Semenov [28]3 years ago
7 0
using a graphical tool
 the solution is (2,3) see the attached figure

proceed to check it
<span>
f(x)=2x−1
g(x)=−x+5

</span><span>f(x)=g(x)
2x-1=-x+5
2x+x=5+1------------ >3x=6-----------> x=2
y=2x-1=2*2-1=3

the solution is the point (2,3)  (</span>see the graph in the attached figure)      

agasfer [191]3 years ago
3 0

Answer:

2

Step-by-step explanation:

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What values for x make the following equation true? Select all that are true. <br>2x2 - 5x – 3 = 0​
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Evaluate the determinant for the following matrix: 1 4 4 5 2 2 1 5 5
Elina [12.6K]
A Laplace expansion along the first row gives

\begin{vmatrix}1&4&4\\5&2&1\\1&5&5\end{vmatrix}=1\begin{vmatrix}2&1\\5&5\end{vmatrix}-4\begin{vmatrix}5&1\\1&5\end{vmatrix}+4\begin{vmatrix}5&2\\1&5\end{vmatrix}
=1(10-5)-4(25-1)+4(25-2)
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7 0
3 years ago
What is the slope of the line that has the equation 4x + 2y = 12?
WARRIOR [948]

Answer:

The slope is -2

Step-by-step explanation:

convert to slope intercept form. the number or fraction by the x when in slope intercept form is the slope.

6 0
3 years ago
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Ok help me please guys ..what is 61=3b+7 ?
Neporo4naja [7]
61 = 3b + 7

3b + 7 = 61

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7 0
3 years ago
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A person must score in the upper 8% of the population on an IQ test to qualify for membership in MENSA, the international high-I
Cloud [144]

Answer:

A person must get an IQ score of at least 138.885 to qualify.

Step-by-step explanation:

Problems of normally distributed samples are solved using the z-score formula.

In a set with mean \mu and standard deviation \sigma, the zscore of a measure X is given by:

Z = \frac{X - \mu}{\sigma}

The Z-score measures how many standard deviations the measure is from the mean. After finding the Z-score, we look at the z-score table and find the p-value associated with this z-score. This p-value is the probability that the value of the measure is smaller than X, that is, the percentile of X. Subtracting 1 by the pvalue, we get the probability that the value of the measure is greater than X.

In this problem, we have that:

\mu = 115, \sigma = 17

(a). [7pts] What IQ score must a person get to qualify

Top 8%, so at least the 100-8 = 92th percentile.

Scores of X and higher, in which X is found when Z has a pvalue of 0.92. So X when Z = 1.405.

Z = \frac{X - \mu}{\sigma}

1.405 = \frac{X - 115}{17}

X - 115 = 17*1.405

X = 138.885

A person must get an IQ score of at least 138.885 to qualify.

5 0
3 years ago
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