1. Miss Romero noted that the mean scores of a random sample of 15 Grade 8 students who had taken a special test was 80.5. If the standard deviation of the scores was 3.1, and the sample came from an approximately normal population, find the point and the interval estimates of the population mean, using 95% confidence.

Q: D pls

A:

Q: u(z) dr

A:

Q: Name ALL of tl

A: To write the name all symmetry present in the given figure.

Q: Simplify. 4

A: Power rule:   The power rules says that,

Q: Find mzT. 60°

A: NOTE: Refresh your page if you can't see any equations. . here we have as we can see here  and

Q: 3. If AB = 8x + 5, CB = 10x - 1, and BD AC, 1 solve for x.

A:

Q: Ch. 2.1) A real estate agent is working to sell homes for 3 different clients. Let Ai, i= 1,2,3 be…

A:

Q: r A D C

A: We have given a diagram;

Q: 2 x 100

A: 2×100=200

Q: 1. Tony buys 2 boxes of chocolates. Which box has the larger volume? Show your work. А. В. 8 in 8…

A:

Q: 5 and 2/3 feet + 4 and 1/6 feet

A: Answer  - 5 and 2/3 feet +4 and 1/6 feet

Q: Pls I need

A:

Q: ht, x 772 628 518

A: The scatter plot drawn using the data is displayed below.     Thus, the correct option is,…

Q: Find

A:

Q: V=lwh for h  =

A: The given equation is

Q: Area and

A:

Q: REVIEW: 16) Given: X is the midpoint of both AD and BC. Prove: AABX = ADCX 1) X is the midpoint of…

A:

Percentage

A percentage is a number indicated as a fraction of 100. It is a dimensionless number often expressed using the symbol %.

Algebraic Expressions

In mathematics, an algebraic expression consists of constant(s), variable(s), and mathematical operators. It is made up of terms.

Numbers

Numbers are some measures used for counting. They can be compared one with another to know its position in the number line and determine which one is greater or lesser than the other.

Subtraction

Before we begin to understand the subtraction of algebraic expressions, we need to list out a few things that form the basis of algebra.

Addition

Before we begin to understand the addition of algebraic expressions, we need to list out a few things that form the basis of algebra.