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3 years ago

Find x in this 45°-45°-90° triangle. x=

Mathematics

1 answer:

vova2212 [387]3 years ago

6 0

Answer:

Step-by-step explanation:

because a triangle measure 90 degrees so you just subtract the amount that you add and got

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mezya [45]

Answer:

Which of the following best states why the Battle of Antietam was considered a turning point in the war?

Step-by-step explanation:

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3 years ago

What is 10 + x = 23 please help me

KengaRu [80]

Answer:

x = 13

Step-by-step explanation:

x=23−10

x=13

8 0

3 years ago

Read 2 more answers

Richard and Teo have a combined age of 37. Richard is 13 years older than twice Teo's age. How old are Richard and Teo?

marysya [2.9K]

Answer:

Teo is 8 years old and Richard is 29 years old

Step-by-step explanation:

Let us solve the question

Assume that Teo is x years old

∵ Teo is x years old

∵ Richard is 13 years older than twice Teo's age

→ It means multiply x by 2, then add 13 to get the age of Richard

∴ Richard's age = 2x + 13

∵ Richard and Teo have a combined age of 37 years

→ Add their ages and equate the sum by 37

∴ x + 2x + 13 = 37

→ Add the like terms

∵ (x + 2x) + 13 = 37

∴ 3x + 13 = 37

→ Subtract 13 from both sides

∵ 3x + 13 - 13 = 37 - 13

∴ 3x = 24

→ Divide both sides by 3 to find x

∴ x = 8

∵ x represents Teo's age

∴ Teo is 8 years old

→ Substitute the value of x in the expression of Richard age to find his age

∵ Richard age = 2(8) + 13 = 16 + 13 = 29

∴ Richard is 29 years old

∴ Teo is 8 years old and Richard is 29 years old

8 0

3 years ago

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jarptica [38.1K]

Answer:

2.1/3

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Step-by-step explanation:

6 0

3 years ago

Read 2 more answers

Which is the best estimate of the area of a triangle that has the base of 23.62 cm and height of 8.33 cm?

Alexxx [7]

Best estimate of the area of a triangle = 100 $\text {cm}^2$ .

Solution:

Given base of the triangle = 23.62 cm

Height of the triangle = 8.33 cm

Area of the triangle = $\frac{1}{2} \times \text{base}\times \text {height}$

$=\frac{1}{2}\times23.62\times 8.33$

$=\frac{1}{2}\times196.7546$

$=98.3773 \ \text {cm}^2$

Area of the triangle = 98.3773 $\text {cm}^2$

Estimation means rounded off to the closest correct answer.

98.3773 rounded off to 100.

Hence, best estimate of the area of a triangle = 100 $\text {cm}^2$ .

4 0

4 years ago