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fiasKO [112]
2 years ago
5

I dont get it yall help​

Mathematics
2 answers:
Karolina [17]2 years ago
6 0

Answer:

x = -2

Step-by-step explanation:

3x-1 = 8(x+1)+1

3x-1 = 8x+8+1

3x-1 = 8x+9

-3x     -3x

-1 = 5x+9

-9        -9

-10 = 5x

/5      /5

-2 = x

Degger [83]2 years ago
4 0

Answer:

x= -2              

Step-by-step explanation:

3x-1= 8(x+1) + 1

3x- 1 = 8x+ 8 + 1

3x- 1 = 8x+ 9

-1= 8x-3x+9

-1-9= 5x

-10= 5x

-10/5 = x

-2= x

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1 year ago
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8 0
3 years ago
I need help finding y
denpristay [2]

Answer:

y = 9.8995

Step-by-step explanation:

This question requires the use of basic trigonometry.

In this problem, we know one of the sides and two of the angles.

Since one of the angles is 45 degrees and the sum of all internal angles of a triangle is 180 degrees, the other angle can only be 45 degrees, making this an isosceles triangle - that is, the length of the other leg, x, is also 7.

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4 0
3 years ago
Sahil got 28 questions right on the math test. Angelina got 7 more wrong answers than Sahil. There where 40 questions on the tes
Svetradugi [14.3K]

Answer:

19 wrong answers.

Step-by-step explanation:

Given:

Sahil got 28 questions right.

Angelina got 7 more wrong answers than Sahil.

There where 40 questions on the test.

Question asked:

How many answers did Angelina get wrong on the math test ?

Solution:

Total questions on the test = 40

Number of right answers, Sahil got = 28

Number of wrong answers, Sahil got = 40 - 28 = 12

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Number of wrong answers, Sahil got = 12

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Therefore, 19 answers did Angelina get wrong on the math test out of 40.

7 0
3 years ago
Simplify<br> 12 cm : 60 mm
a_sh-v [17]

Answer:

cm^3/5

Step-by-step explanation:

STEP 1:             m

Simplify   ——

           60

Equation at the end of step 1:           m

 ((12c • ——) • m) • m

         60

STEP 2 :Multiplying exponential expressions : 2.1    m2 multiplied by m1 = m(2 + 1) = m3.

final result is cm^3/5

7 0
2 years ago
Read 2 more answers
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