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DochEvi [55]
3 years ago
12

Math.... Can you help

Mathematics
1 answer:
gladu [14]3 years ago
7 0

Answer: -42 7/8

Step-by-step explanation: Hope this help:D

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Can someone please help me
PtichkaEL [24]

Answer:

The size is 37.5 degrees

Step-by-step explanation:

The total angle in the triangle is 180

Since the other two angles are congruent. it means that they are equal

Let us call each of the angles x

Mathematically,

x + x + 105 = 180

2x = 180-105

2x = 75

x = 75/2

x = 37.5

7 0
3 years ago
How do you find the percent error?
natita [175]
(Observed data - Accepted standard) divided by the accepted standard. Then all of that is multiplied by 100.

( ( O - A ) / A) * 100
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3 years ago
Graph a system of equations to approximate the value of x, the rate of depreciation. Give your answer as a percent. about 4% abo
muminat

Answer:about 13%

Step-by-step explanation:

9 0
3 years ago
Read 2 more answers
Find a cubic function with the given zeros.
tester [92]

The cubic function is f(x)=x^3+3x^2-46x-168

Option D is correct

Step-by-step explanation:

We need to find the cubic function with the given zeros -6,7,-4

If -6,7,-4 are zeros of the function then:

x=-6, x=7 and x=-4

=> x+6=0,x-7=0 and x+4=0

Multiplying these terms to find the cubic function:

(x+6)(x-7)(x+4)

Solving:

(x+6)(x-7)(x+4)\\=(x+6)(x(x+4)-7(x+4))\\=(x+6)(x^2+4x-7x-28)\\=(x+6)(x^2-3x-28)\\=x(x^2-3x-28)+6(x^2-3x-28)\\=x^3-3x^2-28x+6x^2-18x-168\\Combining\,\,like\,\,terms:\\=x^3-3x^2+6x^2-28x-18x-168\\=x^3+3x^2-46x-168

So, the cubic function is f(x)=x^3+3x^2-46x-168

Option D is correct

Keywords: cubic function

Learn more about cubic function at:

  • brainly.com/question/1464739
  • brainly.com/question/1560475
  • brainly.com/question/2568692

#learnwithBrainly

5 0
3 years ago
Is 2.67034165508… rational or unrational?
notka56 [123]
Answer- Rational because is a repeating decimal
6 0
2 years ago
Read 2 more answers
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