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3 years ago

Answer in standers form

Mathematics

1 answer:

Tanya [424]3 years ago

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Evaluate the expression if r = 12 and t = -6. (t-r)/3

Lynna [10]

Answer:

-6

Step-by-step explanation:

$\frac{(t-r)}{3}$

input the numbers

$\frac{(-6-12)}{3}$

do the problem in the parentheses first

-6-12 = -18

now it becomes

$-\frac{18}{3}$

simplify and you'll get

-6

this is because -18 ÷ 3 =

-6

4 0

3 years ago

Read 2 more answers

Factor. <img src="https://tex.z-dn.net/?f=%2036t%5E%7B2%7D%20" id="TexFormula1" title=" 36t^{2} " alt=" 36t^{2} " align=

HACTEHA [7]

36t² - 1 =
(6t)² - 1² =
(6t-1)(6t+1)

6 0

3 years ago

Read 2 more answers

Matt has 16 CDs. How many ways can he arrange the CDs so they are in equal rows?

Andrew [12]

Matt could do one of the following arrangements;

2 rows of 8 CDs

4 rows of 4 CDs

3 0

3 years ago

When a decimal is written in word form, what indicates whether the number can be written as a mixed number or as a fraction less

vekshin1

9514 1404 393

Answer:

"and"

Step-by-step explanation:

Properly written, the word "and" separates the integer portion from the fractional portion of the number. If there is no "and", then there is no integer portion, so the number is a fraction less than 1.

Examples:

one and three tenths = 1 3/10

thirty-one thousandths = 31/1000

8 0

3 years ago

Two ladders are leaning against a building, forming two similar triangles as shown below. The top of the longer ladder is 28 fee

postnew [5]

Answer:

The length of the longer ladder is 35 ft

Step-by-step explanation:

Please check the attachment for a diagrammatic representation of the problem

We want to calculate the length of the longer ladder ;

We make reference to the diagram

Since the two right triangles formed are similar. the ratios of their sides are equal;

Thus;

20/15 = 28/x + 15

20(x + 15) = 15(28)

20x + 300 = 420

20x = 420-300

20x = 120

x = 120/20

x = 6

So we want to calculate the hypotenuse of a right triangle with other sides 28ft and 21 ft

To do this, we use the Pythagoras’ theorem which states that square of the hypotenuse equals the sum of the squares of the two other sides

Let the hypotenuse be marked x

x^2 = 28^2 + 21^2

x^2 = 1,225

x = √1225

x = 35 ft

7 0

3 years ago

Answer in standers form​

Answer in standers form