7x+55=90 angle in a rectangle is
7x=90-55 90
7x=35
x=35/7
x=5
Answer:

Step-by-step explanation:
From the given figure, it can be seen that
, thus ΔABC is an isosceles triangle.
Therefore,
⇒
Solving the above equation, we get
⇒
⇒
⇒
Now, substituting the value of x in AC, we have
⇒
⇒
⇒
⇒
Thus, the length of the side AC of the given triangle is 25 units.
Answer:
One part of Clare’s job at an environmental awareness organization is to answer the phone to collect donations. The table shows the number of hours she worked each week, , and the amount of donations in dollars, , that the organization collected each week for 10 weeks.
Step-by-step explanation:
u.w.u
Answer:
1/2 x 1/2= 2/4
Step-by-step explanation:
Answer:
An expression is a number, a variable, or a combination of numbers and variables and operation symbols. An equation is made up of two expressions connected by an equal sign.
Step-by-step explanation: