Answer:
<em>1</em><em>.</em><em>p</em><em>r</em><em>i</em><em>c</em><em>e</em><em>(</em><em>dollars)</em><em> </em><em>and </em><em>soccer</em><em> </em><em>ball</em>
<em>2</em><em>.</em><em>y</em><em>=</em><em>3</em><em>0</em><em> </em><em>and </em><em>x=</em><em>5</em>
<em>3</em><em>.</em><em> </em><em>I </em><em> </em><em>think </em><em>5</em><em> </em><em>or </em><em>3</em><em>0</em>
Step-by-step explanation:
pa follow po
pa brainlest po
pa heart and 5 star
If this is an equilateral triangle, we need half of it to find the height which is a leg of a right triangle with a hypotenuse of 15. That means that the base of this half triangle is 7.5. Use Pythagorean's Theorem to fine the height.
. x = 12.99 or 13
Answer:
∠AEC = 139°
Step-by-step explanation:
Since EC bisects ∠BED then ∠BEC = ∠CED = 4x + 1
∠AED = ∠AEB + ∠BEC + ∠CED = 180 ← straight angle
Substitute values into the equation
11x - 12 + 4x + 1 + 4x + 1 = 180, that is
19x - 10 = 180 ( add 10 to both sides )
19x = 190 ( divide both sides by 19 )
x = 10
Hence
∠AEC = ∠AEB + ∠BEC = 11x - 12 + 4x + 1 = 15x - 11, hence
∠AEC = (15 × 10) - 11 = 150 - 11 = 139°
