Answer:
the estimate of 145.5÷21 is 6.9 or 6. 93
Step-by-step explanation:
Answer:

Step-by-step explanation:
Given a ΔLMN.
Line LN is extended to point O.
such that:

and

To find:

Solution:
Kindly refer to the attached image for the given triangle and dimensions of angles.
Let us recall the external angle property of a triangle:
The external angle of a triangle is equal to the sum of two opposite internal angles.
i.e.

Putting the value of
in
.

The value of x is –7.
Solution:
Given expression:

Let us factor
.

Substitute this in the fraction.

To make the denominator same, multiply and divide the first term by (x +1).

Denominators are same, you can add the fractions.


Cancel the common term in the numerator and denominator.

Multiply the fractions.


The expression is simplified to one rational expression.
Suppose the expression is equal to 0.

Do cross multiplication.

Any number or variable multiplied by 0 gives 0.

Subtract 7 from both sides of the equation.

x = –7
The value of x is –7.
Answer:
6 3/8
Step-by-step explanation:
1.5x4.25=6.375=51/8= 6 3/8
Answer:
56.06
Step-by-step explanation:
58.84
-- 2.78
______
56.06
I don't really know how else to explain this, but there ya go! Goodluck on your test or whatever you're doing! Stay safe ♥♥♥