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Eduardwww [97]
3 years ago
9

Please help me answer this

Mathematics
2 answers:
Zina [86]3 years ago
7 0

Answer:

  • 77

Step-by-step explanation:

<u>Use Pythagorean to solve this:</u>

  • FH² = FG² - GH²
  • GH² = EG² - EH²

<u>Substitute values:</u>

  • FH² = 85² - (45² - 27²)
  • FH² = 5929
  • FH = √5929
  • FH = 77
Marta_Voda [28]3 years ago
6 0

Answer:

FH = 77

Step-by-step explanation:

Using all the side lengths given, we can create a pythagorean like equation with all three values:

= -45² + 27² + 85²

= -2,025 + 729 + 7,225

= 5929

= √5929

= 77

Best of Luck!

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Anna‘s age is eight years less than four times her sisters age right in expression for Anna‘s age how old is Anna if her sister
mixer [17]

Anna's age will be equal to 6 years if her sister is five years old. The expression is Anna= 2T -4.

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

Expression in maths is defined as the collection of the numbers variables and functions by using signs like addition, subtraction, multiplication, and division.

Numbers (constants), variables, operations, functions, brackets, punctuation, and grouping can all be represented by mathematical symbols, which can also be used to indicate the logical syntax's order of operations and other features.

Given that Anna‘s age is eight years less than four times her sister's age right in expression for Anna‘s age how old is Anna if her sister is five years old

The expression for Anna's age is given below:-

Anna's age= 2T-4

Sister = 5 years

Anna= 2T -4

T is my sister's age. Then Anna's age will be calculated as:-

2(5)-4 = 10 - 4 = 6 years

Therefore, Anna's age will be equal to 6 years if her sister is five years old. The expression is Anna= 2T -4.

To know more about Expression follow

brainly.com/question/723406

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5 0
2 years ago
Does anyone know the answer to this i need help really bad!!!
ziro4ka [17]

Step-by-step explanation:

  • 1/2
  • 0.5 is yr ans

<h2>stay safe healthy and happy...</h2>
4 0
3 years ago
Find the equation for the parabola that passes through the point (-2,-4), with vertex at (3,1) and a vertical axis
Igoryamba

Answer:

see explanation

Step-by-step explanation:

The equation of a parabola in vertex form is

y = a(x - h)² + k

where (h, k) are the coordinates of the vertex and a is a multiplier

Here (h, k) = (3, 1), hence

y = a(x - 3)² + 1

To find a substitute (- 2, - 4) into the equation

- 4 = a(- 2 - 3)² + 1

- 4 = 25a + 1 ( subtract 1 from both sides )

25a = - 5 ( divide both sides by 25 )

a = - \frac{5}{25} = - \frac{1}{5}

y = - \frac{1}{5} (x - 3)² + 1 ← in vertex form

7 0
4 years ago
I need help with this question it's really hardd
Vsevolod [243]
1st one on second row I think
7 0
4 years ago
Solve the system of equations.<br> 14x + y = −4 <br> y = 3x^2 − 11x − 4
Citrus2011 [14]
X = 0 or x = -1

You can solve this by using the second equation, which is already solved for y and subbing that in for y in the first equation. 

14x + (3x^2 - 11x - 4) = -4
14x + 3x^2 - 11x = 0
3x^2 + 3x = 0

Then you can solve by pulling out the greatest common factor

3x(x + 1) = 0

Then set each part equal to 0 

3x = 0
x = 0

x + 1 = 0
x = -1
6 0
3 years ago
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