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Elodia [21]
4 years ago
13

Q2-b2Evaluate if a=4 and b =-2​

Mathematics
1 answer:
lesya692 [45]4 years ago
7 0

Answer:

12

Step-by-step explanation:

Plug the given values into the equation to solve.

a² - b²

(4)² - (-2)²

16 - 4

12

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Hey guys- need help in this one
oksano4ka [1.4K]

Answer:

c

Step-by-step explanation:

x=5+i\sqrt{7} , y = 5-i\sqrt{7}\\ x^2-2xy+y^2=(x-y)^2\\ (x-y)^2=(2i\sqrt{7} )^2\\4.i^2.7\\-28

8 0
2 years ago
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−4 + [12 × (−8)] – 62
Ymorist [56]

Answer:

-162

Step-by-step explanation:

that the answer

8 0
3 years ago
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Miguel bought 2 1/4 pounds of hamburgers,1 1/5 pounds of sliced turkey ,and 2 pounds of cheese.what was the total weight of all
irinina [24]

the answer you are looking for is 5 9/20 pounds


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7 0
3 years ago
In the right triangle shown, <A= 30° and BC =6
ser-zykov [4K]

Answer:

AB = 150 degrees

Step-by-step explanation:

Right triangle has a 90 degree angle. One angle is 30 degrees. There is 180 degrees in one triangle. 180-30= 150.

<h3>Hope this is Helps!!!!</h3>
4 0
3 years ago
if PQ || RS and the slope of PQ= x-1/4 and the slope of RS is 3/8 then find the value of x justify algebraically and numerically
Artemon [7]

The value of x is 5/8.

<u>Step-by-step explanation</u>:

Given,

  • The lines PQ and RS are parallel to each other.
  • slope of PQ= x-1/4
  • slope of RS = 3/8

The slopes of parallel lines are equal.

slope of PQ = slope of RS

⇒ x-1/4 = 3/8

⇒ (4x-1)/4 = 3/8

⇒ 8(4x-1) = 4(3)

⇒ 32x-8 = 12

⇒ 32x = 20

x = 20/32

x = 5/8

5 0
3 years ago
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