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3 years ago

What could you do to make the inequalities that are not true into true statements

Mathematics

1 answer:

iren2701 [21]3 years ago

6 0

Answer:

example, if both sides of the inequality are multiplied by a negative number, say -3, we get (-2) x (-3) < 7 x (-3) 6 < -21 When both sides of the inequality are multiplied by a negative number, the resulting inequality is not true. To make the resulting inequality true, we have to reverse the inequality symbol.

Step-by-step explanation:

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A school is arranging a field trip to the zoo. The school spends 696.96 dollars on passes for 40 students and 4 teachers. The sc

Deffense [45]

$25.27 were spent on a pass and lunch for each student.

Step-by-step explanation:

Total students = 40

Teachers = 4

Amount spent on passes for students and teachers = $696.96

Amount spent on one pass = $\frac{Total\ amount\ spent}{No.\ of\ students\ and\ teachers}$

Amount spent on one pass = $\frac{696.96}{40+4}=\frac{696.96}{44}$

Amount spent on one pass = $\$15.84$

Amount spent of students' lunches = $377.20

Amount spent on one lunch = $\frac{Total\ amount\ spent\ on\ lunches}{No.\ of\ students}$

Amount spent on one lunch = $\frac{377.20}{40} = \$9.43$

Total spent on each student = Amount of one pass + amount of one lunch

$Total\ spent\ on\ each\ student= 15.84+9.43 = \$25.27$

$25.27 were spent on a pass and lunch for each student.

Keywords: division, addition

Learn more about addition at:

#LearnwithBrainly

3 0

3 years ago

Identify the constant in the expression -2 + 6c + 3c

Sergeeva-Olga [200]

Answer:

-2

Step-by-step explanation:

The constant has only a number and no variable

-2 +6c +3c

-2 is the constant

6 is a coefficient for the variable term

3 is a coefficient for the variable term

5 0

3 years ago

Read 2 more answers

Reduce the quotient to lowest terms <br> 3x/8y divided 9x/16y

Anna [14]

Evaluate.
Exact Form:
2/3
Decimal Form:
0.6∞
Hope this helps! :)

8 0

4 years ago

A minority representation group accuses a major bank of racial discrimination in its recent hires for financial analysts. Exactl

erma4kov [3.2K]

Answer:

a) 0.16

b) 0.0518

c) $P(p \leq 0.15) = 0.4247$

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.

For a proportion p in a sample of size n, we have that the mean is $\mu = p$ and the standard deviation is $\sigma = \sqrt{\frac{p(1-p)}{n}}$

In this problem, we have that:

$p = 0.16, n = 50$

a. Find the mean of p, where p is the proportion of minority member applications in a random sample of 2100 that is drawn from all applications.

The mean of p is 0.16.

b. Find the standard deviation of p.

$\sigma = \sqrt{\frac{0.16*0.84}{50}} = 0.0518$

c. Compute an approximation for P ( p leq 0.15), which is the probability that there will be 15% or fewer minority member applications in a random sample of 2100 drawn from all applications. Round your answer to four decimal places.

This is the pvalue of Z when X = 0.15. So

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

$Z = \frac{0.15 - 0.16}{0.0518}$