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nevsk [136]
3 years ago
9

Please help Simplify these expressions

Mathematics
1 answer:
dsp733 years ago
3 0

Answers:

a) 44+3x

b) x+32

c) 2(y-4)

d) x

Step-by-step explanation:

We have the following expressions and we have to simplify them:

a) 7^{2}+2^{2}-5-4+3x

Solving the terms with exponents:

49+4-5-4+3x

Grouping similar terms:

44+3x

b) x+32+4-2^{2}

Solving the term with exponent:

x+32+4-4

Operating with algebraic sum:

x+32

c) -y-5+y+2(2y-y)-3

Solving inside the parenthesis:

-y-5+y+2(y)-3

Grouping similar terms:

2y-8

Applying common factor 2:

2(y-4)

d) 5x-3-x+3(x+1^{2})

Solving inside the parenthesis:

5x-3-x+3(x+1)

Operating with distributive property:

5x-3-x+3x+3

Grouping similar terms:

x

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F(x)=2x^2+5x-8 is an example of a non-linear equation. Anything with x is linear, anything with x raised to a power (any power except 0 and 1) is non-linear.
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3 years ago
HELP IM TIMED!(giving 50 points)
lutik1710 [3]

Answer:

A and D and E

Step-by-step explanation:

Substitute the variable(in this case) <em>t</em> for 3, then use the order of operations to simplify(PEMDAS), which will give you 33 for both expressions. To see if two expressions are equivalent, you need to substitute the variable for an odd number AND an even number, so next, substitute the variable <em>t </em>for the number 6, which will give you 51 for both expressions. That means the expressions are equivalent

Hope this helps :)

P.S. Mark brainliest pls

6 0
3 years ago
Read 2 more answers
A taxi cab charges a flat rate of $3in addition to $1.80 per mile,m, traveled. Jennifer has no more money than $25 to spend on a
PIT_PIT [208]

Answer:

1.80m + 3 ≤ 25

Step-by-step explanation:

We have a flat rate of $3, which means that's the base value. Now, we see that Jennifer has to pay $1.80 per mile, which means that when she has ridden m miles, she has to pay 1.80m. However, remember to add 3 to this:

1.80m + 3

Jennifer only has $25 to spend, so she can't spend any more than 25. This means that the money she can spend must be less than or equal to $25:

1.80m + 3 ≤ 25

Hope this helps!

8 0
3 years ago
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Brian has 42 tickets. He sells 5/6 of the tickets. How many tickets did he sell?
Nimfa-mama [501]
42/6 is 7 so do 7 * 5 which is 35 so he sold 35 tickets
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3 years ago
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A customer buys a CD for $15 and a video game. The customer pays a total of $42.80 for the two items, which includes 7% sales ta
kari74 [83]

Answer:

1.07 (15 + x) = 42.80

Step-by-step explanation:

Given data

CD= $15

Let the cost of the video game be x

The total cost= 15+x

Hence the equivalent expression is

1.07 (15 + x) = 42.80

open bracket

16.05+1.07x= 42.80

42.80-16.05= 1.07x

26.75=1.07x

x= 26.75/1.07

x= 25

Check

7% tax for CD

=0.07*15

=1.05

total =1.05+15

=$16.05

7% tax for Video game

=0.07* 25

=1.75

total =1.75+25

=$26.75

In all

=26.75+16.05

=$42.8

4 0
3 years ago
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