2 years ago

Can someone help me with this math homework please!

Mathematics

2 answers:

Phantasy [73]2 years ago

8 0

x-intercept

(-2,0) and (0,0)

lapo4ka [179]2 years ago

3 0

Answer:

The answers are options A and C.

They are (-2,0) and (0,0).

Step-by-step explanation:

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The area of square ABCD is 7cm².<br> Show that x² + 4x = 3

soldier1979 [14.2K]

Answer:

see explanation

Step-by-step explanation:

The area (A) of a square is calculated as

A = s² ( s is the measure of a side of the square )

Here s = x + 2 and A = 7, thus

(x + 2)² = 7 ← expand left side using FOIL

x² + 4x + 4 = 7 ( subtract 4 from both sides )

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2 years ago

A 20 foot ladder leaning against a wall is used to reach a window that is 17 feet above the ground. How far from the wall is the

GarryVolchara [31]

The bottom of the ladder is 10.5 feet away from the wall

Step-by-step explanation:

The given scenario forms a right triangle.

Where

The length of ladder will be the hypotenuse

The wall on which the window is situated will ebt he perpendicular and

The distance between the foot of ladder and the wall will be the base

So,

Hypotenuse = H = 20 foot

Perpendicular = P = 17 feet

Base = B = ?

Using the Pythagoras theorem

$H^2=P^2+B^2\\(20)^2=(17)^2+B^2\\400=289+B^2\\400-289=B^2\\B^2=111\\Taking\ square\ root\ on\ both\ sides\\\sqrt{B^2}=\sqrt{111}\\B=10.53\\Rounding\ off\ to\ the\ nearest\ tenth\\B=10.5$

The bottom of the ladder is 10.5 feet away from the wall

Keywords: Triangle, Pythagoras Theorem

Learn more about Pythagoras theorem at:

#LearnwithBrainly

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2 years ago

Please Help Me asap or my Mom is gonna beat me !^^ Gotta do 100 assignments by the end of the day!^^))

lyudmila [28]

Answer:

miss girl-

Step-by-step explanation:

The answer is 5,600.00

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1 year ago