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horsena [70]
2 years ago
10

An extraneous solution IS a(n)

Mathematics
1 answer:
max2010maxim [7]2 years ago
4 0

Answer:

See below

Step-by-step explanation:

<u>An invalid solution.</u>

When you use the quadratic formula, for example, to  solve for 't', time, you will often find one of the values of 't' to be  NEGATIVE value for time.....this would be an <u>extraneous</u> solution.      

   Sometimes when working with LOG equations you may fin an answer which is negative.....you cannot have a LOG of a negative number...THAT solution would be EXTRANEOUS

 ETC

SO, always check your answers to see if they 'work' for your problem.

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My teacher is making us do this but we haven’t learned it test someone please help
Leno4ka [110]

Hello from MrBillDoesMath!

Answer:

35 degrees

Discussion:

The angle shown is a right angle. That is, it contains 90 degrees. So we need to solve

90 = 7x + 11x               => as 7x + 11x = 18x

90 = 18x                      => divide both sides by 18

x= 90/18 = 5

The measure of the smaller angle is 7x = 7(5) = 35

Thank you,

MrB

6 0
3 years ago
WILL GIVE BRAINLIEST IMMEDIATELY!!!
vladimir2022 [97]

Answer:

value of x = 11°

step by step explanation: we know that one angle of rectangle is 90°

therefore, 5x+2+3x =90°

8x+2 = 90°

x = 88°/8= 11°

hence, 5×11+2+3×11=80°

4 0
3 years ago
How many 1/2 hours are in 1 hour
tensa zangetsu [6.8K]
There are two 1/2 hours in 1 hour.
6 0
3 years ago
Tori bought 24 candy bars for 69 cents each. She used partial products to find the total cost in cents. Which are NOT possible p
rewona [7]

Answer:

B. 36 C. 180 D. 240 E. 1,656

Step-by-step explanation:

Partial product is the multiplication of individual digit of a number in turn with each digit of the others where each digit maintains its place.

Using distributive property to multiply 24 × 69 to determine our partial products:

i.e.

24 × 69 = 24 × (60 + 9)

= (24 × 60) + (24 × 9)

= 60 (20 + 4) + 9(20 + 4)

So; we can have:

= (60 × 20) + (60 × 4) + (9 × 20) + (9 × 4)

= 1200 + 240 + 180 + 36  

= 1656

6 0
3 years ago
4|2x+7|=16<br> x=? and x=?
sammy [17]
4 | 2x + 7 | = 16...divide both sides by 4
| 2x + 7 | = 16/4
| 2x + 7 | = 4

2x + 7 = 4            -(2x + 7) = 4
2x = 4 - 7             -2x - 7 = 4
2x = -3                 -2x = 4 + 7
x = -3/2                -2x = 11
                             x = -11/2

so x = -3/2 and x = -11/2
5 0
4 years ago
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