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2 years ago

Find the lengths of the missing sides. Write your answers as integers or as decimals rounded to the nearest tenth.

Mathematics

1 answer:

Ksivusya [100]2 years ago

7 0

Answer:

The answer is the last one - X= 9.9 Y= 7

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Last year there were 120 students in choir. This year, 30% more students took choir. How many students are taking choir this yea

soldi70 [24.7K]

Answer:

156 students

Step-by-step explanation:

To find how many students are in choir this year, multiply 120 by 1.3

120(1.3)

= 156

So, this year, 156 students are taking choir

7 0

2 years ago

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Is 39.81 rational or irrational

Andru [333]

Answer:

its rational

Step-by-step explanation:

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2 years ago

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Carly has a coupon for 15% off the

wel

15% = 0.15

234.00 x 0.15 = 35.10

234.00 - 35.10 = 198.90

The camera will cost $198.90 after the discount.

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2 years ago

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On a coordinate plane, rhombus W X Y Z is shown. Point W is at (7, 2), point X is at (5, negative 1), point Y is at (3, 2), and

Otrada [13]

Answer:

$P = 4\sqrt{13}$

Step-by-step explanation:

Given

$W = (7, 2)$

$X = (5, -1)$

$Y = (3, 2)$

$Z =(5, 5)$

Required

The perimeter

To do this, we first calculate the side lengths using distance formula

$d = \sqrt{(x_2 - x_1)^2 + (y_2 - y_1)^2$

So, we have:

$WX = \sqrt{(5- 7)^2 + (-1 - 2)^2$

$WX = \sqrt{13}$

$XY = \sqrt{(3-5)^2 + (2--1)^2}$

$XY = \sqrt{13}$

$YZ = \sqrt{(5-3)^2 + (5-2)^2}$

$YZ = \sqrt{13}$

$ZW = \sqrt{(7 - 5)^2 + (2 - 5)^2}$

$ZW = \sqrt{13}$

The perimeter is:

$P = WX + XY + YZ + ZW$

$P = \sqrt{13}+\sqrt{13}+\sqrt{13}+\sqrt{13}$

$P = 4\sqrt{13}$

5 0

3 years ago

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Given that f(x) = x^2 - 11x + 18 and g(x) = x-9, find f(x) + g(x)

liberstina [14]

Answer:

f(x) + g(x) = x² - 10x + 9

General Formulas and Concepts:

Algebra I

Combining Like Terms

Step-by-step explanation:

Step 1: Define

f(x) = x² - 11x + 18

g(x) = x - 9

Step 2: Find f(x) + g(x)

Substitute: f(x) + g(x) = x² - 11x + 18 + x - 9
Combine like terms (x): f(x) + g(x) = x² - 10x + 9

3 0

2 years ago