What? ......
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Answer:
A. 2.35
Step-by-step explanation:
Answer:
26.8°
Step-by-step explanation:
The cosine of an angle is the ratio of the adjacent side of the triangle in which the angle is formed to the hypotenuses side of the triangle. The cosine of the angle gives the ratio of these sides. However, the arc cosine of the ratio gives the angle measured in degrees.
If cos B = 0.8926
then arc cosine 0.8926 which may be expressed as cos-1 0.8926 will give the value of B.
B = cos-1 0.8926
= 26.8°
Answer:
Proportion states that the two fractions or ratios are equal
Given the equation: 
By cross multiply we get;

Using distributive property; 

Subtract 0.4 from both sides we get;

Subtract 1.5x from both sides we get;

Divide both sides by 0.1 we get;

Simplify:
x = 56
Therefore, the value of x that satisfy the equation
is, 56
Answer:
XZ = 2.5 BD
Step-by-step explanation:
Comparing the two triangles,
= 
= 
⇒ XZ = 
= 15
XZ = 15
So that,
BD:XZ = 6:15
= 1:2.5
Therefore, the relationship between BD and XZ is XZ = 2.5 BD.