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tigry1 [53]
3 years ago
10

What is the value of the expression 85÷(9×5)-(10×4)

Mathematics
1 answer:
andrew11 [14]3 years ago
5 0
85÷(9×5)-(10×4)
85÷(45)-(40)
85/5
17
I think I did this right....
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What is 75/54 simplified
CaHeK987 [17]
To simplify 75/54, we first need to find the greatest common factor. Our GCF is 3, so we will divide both number by 3. 75/3=25, and 54/3=18.
75/54 simplifies into 25/18 or 1 7/18
5 0
3 years ago
Hector took a 1 week vacation, so his next paycheck will only be 3 weeks of work. What percentage of his regular pay should he e
DerKrebs [107]
The problem says that Hector receives his regular pay when he works 4 weeks, but he <span>took a 1 week vacation. So, if in 4 weeks Hector receives the 100% of his regular pay, w</span><span>hat percentage of that pay should he expect to receive with 3 weeks of work?
</span><span>
 4 weeks-------100%
 3 weeks-------x

 We have:

 x=(3x100)/4
 x=75%

 Then, the answer is:

 Hector </span>should expect to receive the 75% of his regular pay.<span>
</span>
7 0
3 years ago
Examine the algebraic expression.
NNADVOKAT [17]

Answer:

2, 4, 6

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
Solve the quadratic equation 4x2 − 121 = 0. Verify your answer using a difference-of-squares factoring method.
Alenkasestr [34]

Answer:

Option d) is correct

That is x equals plus or minus start fraction 11 over two end fraction

Step-by-step explanation:

Given quadratic equation is 4x^2-121=0

To write the given quadratic equation by using a difference-of-squares factoring method:

4x^2-121=0

The above equation can be written as

4x^2-11^2=0

(2x)^2-11^2=0

The above equation is in the form of difference-of-squares

Therefore the given quadratic equation can be written in the form of difference-of-squares

by factoring method is (2x)^2-11^2=0

(2x+11)(2x-11)=0 (which is in the form a^2-b^2=(a+b)(a-b) )

2x+11=0   or   2x-11=0

x=\frac{-11}{2}    or   2x=11

x=\frac{-11}{2}    or   x=\frac{11}{2}

x=\pm \frac{11}{2}

Therefore option d) is correct

That is x equals plus or minus start fraction 11 over two end fraction

5 0
2 years ago
What is Y=2(3x+6)(5x-4)
Sliva [168]

Answer:

y=30x^2+36x+48 OR f(x)=30x^2+36x+48

This is an exponential function/exponential graph. Hope I helped!

Step-by-step explanation:

Given: y=2(3x+6)(5x-4)

Use the distributive property!: y=(6x+12)(5x-4)

Use the distributive property!: y=(5x(6x+12)-4(6x+12))

Use the distributive property!: y=(30x^2+60x)-(24x+48)

Remove parenthesis: y=30x^2+60x-24x+48y=30x^2+36x+48 OR f(x)=30x^2+36x+48

This is an exponential function/exponential graph. Hope I helped!

8 0
3 years ago
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