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3 years ago

Help what's the height of h

Mathematics

1 answer:

anzhelika [568]3 years ago

5 0

Alright, so we can make a right triangle, with the sides being h, sqrt(34), and sqrt (3^2+4^2) due to that we can draw a right triangle with the diagonal of the base. sqrt (3^2+4^2)= sqrt (25)=5. Since sqrt (34) is the hypotenuse,
sqrt (34) - 5^2=h^2 = 9, making h =3

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Solve for x. 7(1x - 3) = 4(x + 5)

alexandr1967 [171]

Answer:

x = 41/3

General Formulas and Concepts:

Pre-Algebra

Order of Operations: BPEMDAS
Equality Properties

Step-by-step explanation:

Step 1: Define equation

7(1x - 3) = 4(x + 5)

Step 2: Solve for x

Simplify: 7(x - 3) = 4(x + 5)
Distribute: 7x - 21 = 4x + 20
Subtract 4x on both sides: 3x - 21 = 20
Add 21 on both sides: 3x = 41
Divide 3 on both sides: x = 41/3

Step 3: Check

Plug in x to verify it's a solution.

Substitute: 7(1(41/3) - 3) = 4(41/3 + 5)
Multiply: 7(41/3 - 3) = 4(41/3 + 5)
Subtract/Add: 7(32/3) = 4(56/3)
Multiply: 224/3 = 224/3

Here, we see that 224/3 is indeed equivalent to 224/3. ∴ x = 41/3 is a solution to the equation.

And we have our final answer!

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Roman55 [17]

Answer:

Step-by-step explanation:

27 ÷ 90 = 0.3 = 0.30 = 30%

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the length of a rectangle is five times the width. if the area of the rectangle is 125 square inches, find the length and width

Mekhanik [1.2K]

Length: 25
Width: 5
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Domain: What are all the possible x values?
[-6, 0) U (0,2)

[ ] Closed brackets means including a number
( ) Open brackets means not including that number

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