MATHEMATICS COLLEGE

T-3 ≥ 2;T=10




Please answer

Answers

Answer 1
Answer:

Answer:

  True

Step-by-step explanation:

Substitute for T and evaluate:

  10 -3 ≥ 2

  7 ≥ 2 . . . . . . . true; T=10 is a member of the solution set

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ΔABC is a right triangle and ∠B is a right angle. If sin ∠A = 3/5, then what is the ratio for tan ∠C?

Answers

Answer:

Tan \ \angle C=(3)/(4)

Step-by-step explanation:

-The sine of an angle in a right triangle is given as:

Sin \ \theta=(Opposite)/(Hypotenuse)\n\n\therefore Sin \ \angle A=(3)/(5)

-From this Trigonometric ratio, we calculate the length of the adjacent as:

b^2+h^2=H^2\n\nb^2=5^2-3^2\n\nb^=4\n\n\therefore Adjacent=4

We then calculate tan ∠C

Tan \ \ theta=(Opposite)/(Adjacent)\n\nTan \ \angle C=(3)/(4)

Answer:

4/3

Step-by-step explanation:

The right triangle is a 3-4-5 triangle- the opposite side of a is 3 (based on 3/5 which is opp/hyp) and the hypnotuse is 5. The ohter side is 4 no matter how it is solved individually. For tan, it is opp/adj so the opp of angle c is 4 and the adj is 3. Therefore it is 4/3. :D The other person flipped it.

Equivalent ratio of 30:36=5:_

Answers

30:36 is equivalent to 5:6
30:36 (divide by 6) = 5:6 
56:36 (divide by 4) = 14:9 
15:18:9 (divide by 3) = 5:6:3 

When solving ratios divide by greatest common factor of the numbers(GCF). 

Example: 2:4:6 
GCF=2 
Divide by 2 
Answer=1:2:3 

I hope this was helpful to you!

A publisher reports that 42%42% of their readers own a particular make of car. A marketing executive wants to test the claim that the percentage is actually different from the reported percentage. A random sample of 250250 found that 35%35% of the readers owned a particular make of car. Find the value of the test statistic. Round your answer to two decimal places.

Answers

Answer:

z=\frac{0.35 -0.42}{\sqrt{(0.42(1-0.42))/(250)}}=-2.24  

Step-by-step explanation:

Data given and notation  

n=250 represent the random sample taken

\hat p=0.35 estimated proportion of readers owned a particular make of car

p_o=0.42 is the value that we want to test

z would represent the statistic (variable of interest)

p_v represent the p value (variable of interest)  

Concepts and formulas to use  

We need to conduct a hypothesis in order to test the claim that that the percentage is actually different from the reported percentage.:  

Null hypothesis:p=0.42  

Alternative hypothesis:p \neq 0.42  

When we conduct a proportion test we need to use the z statistic, and the is given by:  

z=\frac{\hat p -p_o}{\sqrt{(p_o (1-p_o))/(n)}} (1)  

The One-Sample Proportion Test is used to assess whether a population proportion \hat p is significantly different from a hypothesized value p_o.

Calculate the statistic  

Since we have all the info requires we can replace in formula (1) like this:  

z=\frac{0.35 -0.42}{\sqrt{(0.42(1-0.42))/(250)}}=-2.24  

(02.05)The figure shows three quadrilaterals on a coordinate grid: A coordinate plane is shown. Quadrilateral D has sides measuring 3 units and 1 unit. Quadrilateral F has sides measuring 3 units and 1 unit. Quadrilateral E has sides measuring 2 units and 6 units. Which of the following statements is true about the three quadrilaterals? D and E are similar but not congruent. E and F are similar and congruent. D and E are similar and congruent. F and D are similar but not congruent.

Answers

Answer: CAN SOMEONE PLZ ANSWER TFF QUSTION PLZ!!

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Help!!i will mark brainlyest!!

Answers

Answer:

Q

Step-by-step explanation:

Square root of ten = 3.16227766

Simplified = 3.2

Answer:

Q

Step-by-step explanation:

The square root of 10 is 3.16 something and the closest to that is q

Question 1Two packs of toilet rolls are available in the
supermarket 9 toilet rolls for £3.15 4 toilet rolls for £1.36
Work out which pack offers the best value for money.
​

Answers

Answer:

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