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2 years ago

Please! I need this answeredd!!!!

Mathematics

1 answer:

Rashid [163]2 years ago

7 0

The Traingle XYZ and ACB are similar triangles. tanX = tanA = 5 over 2 and 5 tenths,

AC = 2 * XY; CB = 2 * YZ

<h3>What is an equation?</h3>

An equation is an expression that shows the relationship between two or more variables and numbers.

Triangle XYZ was dilated by a scale factor of 2 to create triangle ACB, hence XYZ and ACB are similar triangles.

Angles Y and C both measure 90 degrees, and angles A and X are congruent. Hence:

tanX = tanA = 5 over 2 and 5 tenths

AC = 2 * XY; CB = 2 * YZ

Find out more on equations at:

brainly.com/question/2972832

#SPJ1

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taurus [48]

Answer: 9, subtract : 10, 12.5 : 11, 134.25 : 12 is the 3d answer

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3 years ago

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Solve the following math problem and give me an example please C/-7+3.2=2.7

jasenka [17]

C/-7+3.2=2.7

Step 1) Add 7 to both sides because what you do to one side you must do to the other
C/-7+3.2=2.7
 +7 +7
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Step 2) Subtract 3.2 from both side
C/+3.2=9.7
 -3.2 -3.2
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Your answer is C=6.5

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3 years ago

Help I need it now!! T14= 46, and t20= 100, find t3, t7, and tn

Vinil7 [7]

Answer:

$t_3 = -53\\\\\\t_7 = -17\\t_n= -80 +9n$

Step-by-step explanation:

Arithmetic sequence:

$\sf \boxed{t_n=a+(n-1)d}$

Here a is the first term and d is the common difference.

$t_{14}= 6$ ⇒ $\sf a + 13 d = 46$ ------------(I)

$\sf t_{20} = 100$ ⇒ a + 19d = 100 ---------(II)

Subtract equation (I) from (II)

(I1) a + 19d = 100

(II) a + 13d = 46

- - -

6d = 54

d = 54 ÷ 6

$\sf \boxed{d = 9}$

Substitute d = 9 in equation(I) and find 'a',

a + 13*9= 46

a + 117 = 46

a = 46 - 117

a = -71

$\sf t_3 = -71 + 2*9$

= -71 + 18

= -53

$\sf t_7 = -71 + 6*9$

= -71 + 54

= -17

$\sf t_n= -71 + (n-1)*9$

= -71 + 9*n - 1 *9

= -71 + 9n - 9

= -71 - 9 + 9n

= - 80 + 9n

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1 year ago

Solve x – 7 > –8.

IgorC [24]

Question 1.

x - 7 > - 8

Adding 7 to both sides, we get:

x - 7 + 7 > - 8 + 7

x > -1

Thus the answer to the inequality is option Fourth.

Question 2.

A number exceeds 66. Let that number be x. The number exceeds 66 means that the number is larger than 66. So in form of an expression we can write the inequality as:

x is greater than 66

x > 66

So, option 1st gives the correct answer.

Question 3.

The tiles are square shaped and area of a square can be calculated as the square of its Length.

Area of square = (Length)²

If we are given the Area, we can find the length as:

Length = $\sqrt{Area}$

For Tile A, the length will be:

$Length= \sqrt{9}=3$
So length is a Rational number

For Tile B, the length will be:

$Length= \sqrt{25}=5$
So length is a Rational number

For Tile C, the length will be:

$Length= \sqrt{34}$
So, Length is not Rational.

For Tile D, the length will be:

$Length= \sqrt{76}$
Length is not Rational

Thus, the lengths of Tile A and Tile B are rational only.

Therefore, the correct answer is 1st option

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laila [671]

The answer would be 10%

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