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kodGreya [7K]
3 years ago
6

-4k +10=-7k +55 What is the answer? Also please add work

Mathematics
1 answer:
const2013 [10]3 years ago
3 0

Answer:

k = -45/11

Step-by-step explanation:

Make K the subject!

-4k + 10=<u>7k</u> + 55

Like terms!

-4k- 7k=55 -10

-11k = 45

-11/-11=45/-11

k = -45/11

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Write a fraction that is lees than 5/6 and has a denominator of 8
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A fraction that is less than 5/6 with a denominator of 8 is 1/8. The easiest way to see this is the decimal value of both fractions. 5/6 is equal to approximately .833 while 1/8 is equal to .125. 
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3 years ago
Write 107% as a decimal. Pls with solutions
otez555 [7]

Answer:

1.07

Step-by-step explanation:

1 To convert to a decimal, divide the percent number by 100.

<h3>107÷100=1.07</h3>

2 Therefore, the decimal form is 1.07

<h3>1.07</h3>

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2 years ago
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(7a^3 -2a-2)+(-5a+3)
atroni [7]

Answer:

7a  3  −7a+1

Step-by-step explanation: I hope this help.

STEP

1

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Equation at the end of step 1

 ((7a3 -  2a) -  2) +  (3 - 5a)

STEP

2

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Polynomial Roots Calculator :

2.1    Find roots (zeroes) of :       F(a) = 7a3-7a+1

Polynomial Roots Calculator is a set of methods aimed at finding values of  a  for which   F(a)=0  

Rational Roots Test is one of the above mentioned tools. It would only find Rational Roots that is numbers  a  which can be expressed as the quotient of two integers

The Rational Root Theorem states that if a polynomial zeroes for a rational number  P/Q   then  P  is a factor of the Trailing Constant and  Q  is a factor of the Leading Coefficient

In this case, the Leading Coefficient is  7  and the Trailing Constant is  1.

The factor(s) are:

of the Leading Coefficient :  1,7

of the Trailing Constant :  1

Let us test ....

  P    Q    P/Q    F(P/Q)     Divisor

     -1       1        -1.00        1.00      

     -1       7        -0.14        1.98      

     1       1        1.00        1.00      

     1       7        0.14        0.02      

Polynomial Roots Calculator found no rational roots

Final result :

 7a3 - 7a + 1

6 0
2 years ago
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Solve for x ....... thanks !
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If we can match teh bases we can solve
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4(3x+2)=5(-2x-7)
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