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Lostsunrise [7]
3 years ago
10

What is (x - 8)(x + 4) + (x - 3)(x + 9)?

Mathematics
1 answer:
JulijaS [17]3 years ago
7 0

Answer:

the answer is b

Step-by-step exp.anation:

You might be interested in
Find the measure of b. (Explain how you found it please!)
Allisa [31]

Answer:

125 deg

Step-by-step explanation:

Keep these three rules in mind:

1) A central angle (vertex is the center of the circle) has the same measure as the arc it intercepts.

2) The measure of an inscribed angle (vertex is point on circle) is half the measure of the intercepted arc.

3) Opposite angles of a rectangle inscribed in a circle are supplementary.

110 deg is a central angle.

By rule 1), the arc intercepted by the central angle 110 deg also measures 110 deg.

a is an inscribed angle that intercepts an arc of 110 deg.

By rule 2), the measure of an inscribed angle is half the measure of the intercepted arc.

angle a measures 55 deg.

Rule 3) Angles a and b are supplementary.

a + b = 180

55 + b = 180

b = 125

5 0
2 years ago
Explain how to solve for the rate in a simple interest equation if you are given the interest amount, the principal, and the tim
FrozenT [24]

Answer:

divide the interest amount by the product of the principal and time

Step-by-step explanation:

The simple interest formula is I = prt where I is the interest, p is the principal, r is the rate and t is the time (in years). Rewriting this formula so that r is the subject we get r = I / pt. Therefore the answer is divide the interest amount by the product of the principal and time.

8 0
3 years ago
Find the area of a triangle
lana66690 [7]

Answer: 68

Step-by-step explanation:

4 0
3 years ago
Wanda increased her Carbohydrate intake from 250 grams a day to 415 grams a day. By what percentage did Wanda increase the amoun
pochemuha

Answer: roughly 40 percent

brainliest !!!

5 0
2 years ago
What is the value of x2+4 for x =5
Anuta_ua [19.1K]
Sub 5 for x 
x2+4
5*2+4
Gemdas or Pemdas
10+4=14 so the value is 14.
3 0
3 years ago
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