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3 years ago

8

Tasha believes that she can rewrite the difference 120-36 as a product of the GCF OF THE TWO numbers and another difference.Is s

he correct.explain your answer.

1 answer:

lana [24]3 years ago

4 0

She is incorrect because the largest number goes first or the way the problem is stated.

The way she wrote it is correct

I hope this helped?!?!?!

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Nancy and Kevin collect coins. Nancy has x coins. Kevin has 9 coins fewer than five times the number of coins Nancy has. Write a

Alexus [3.1K]

Answer:

x + (5x-9)

Step-by-step explanation:

x stands for the number of coins Nancy has

Kevin has 9 less than 5 times what Nancy has, so his part of the expression is 5x-9

To find the total number of coins they have, you have to add Nancy's number of coins x plus Kevin's number of coins 5x-9

x + (5x-9)

But you have to put parentheses around Kevin's 5x-9 so that part of the expression is calculated first, as per order of operations

3 0

2 years ago

Which of the following statements is true according to the measurements in the diagram?

e-lub [12.9K]

Let's look at the corresponding ratios:

$\frac{AB}{ED}=\frac{24}{30}=\frac{4}{5}\\\frac{BC}{DC}=\frac{16}{20}=\frac{4}{5}\\\frac{AC}{EC}=\frac{21}{28}=\frac{3}{4}\\$

And we see that the three aren't equal.

Hence, $\Delta ABC$ and $\Delta EDC$ are not similar.

8 0

3 years ago

Read 2 more answers

Which statement best explains why the graphed relation is not a function?

timurjin [86]

C. A function can only have one y value for an x value

5 0

3 years ago

Hown do you convert 8 inches into cm

lakkis [162]

Multiply your length value by 2.54. One inch is equal to roughly 2.54 centimeters,

Its 20.32 cm btw.

7 0

2 years ago

Find the simple interest on 7,200 at 3/4% for 5 years

lakkis [162]

Answer:

$7474.08

General Formulas and Concepts:

<u>Pre-Algebra</u>

Order of Operations: BPEMDAS

Brackets
Parenthesis
Exponents
Multiplication
Division
Addition
Subtraction

Left to Right<u> </u>

<u>Algebra I</u>

Simple Interest Rate Formula: $\displaystyle A = P(1 + r)^t$

A is final amount
P is principle (initial) amount
r is rate
t is time (in years)

Step-by-step explanation:

<u>Step 1: Define</u>

P = 7200

r = 0.75% = 0.0075

t = 5

<u>Step 2: Solve for </u><em><u>A</u></em>

Substitute in variables [Simple Interest Rate Formula]: $\displaystyle A = 7200(1 + 0.0075)^5$
(Parenthesis) Add: $\displaystyle A = 7200(1.0075)^5$
Evaluate exponents: $\displaystyle A = 7200(1.03807)$
Multiply: $\displaystyle A = 7474.08$

7 0

3 years ago