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stiks02 [169]
3 years ago
13

Simplify the expression: w2 + 7w2 + 8w - 5 + 9 - 2w2

Mathematics
1 answer:
ololo11 [35]3 years ago
4 0
<h3>6w^2 +8w +4 is the simplified expression</h3>

<em><u>Solution:</u></em>

Given that,

We have to simplify

w^2 + 7w^2 + 8w -5+9-2w^2

We can simplify the above expression by combining the like terms

Like terms are terms that has same variable with same exponent and same or different coefficient

From given,

w^2 + 7w^2 + 8w -5+9-2w^2

Group the like terms

w^2 + 7w^2 -2w^2 + 8w - 5+9\\\\Combine\ the\ like\ terms\\\\6w^2 +8w -5+9\\\\Combine\ the\ constants\\\\6w^2 +8w +4

Thus the given expression is simplified

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Really easy....plz help if u can..will mark
goldenfox [79]

Answer:

The distributive property.

Step-by-step explanation:

The distributive property is when you distribute a number to different numbers in a parentheses. For example...

2*x would be 2x, and 2*4 would be 8.

4 0
3 years ago
A flower shop sells tulips and roses. The price of each tulip is the same and the price of each roses the same. One customer bou
Talja [164]

Answer: it cost a customer $7.25 to buy five tulips and $10.5 to buy six roses.

Step-by-step explanation:

Let x represent the cost of 1 tulip.

Let y represent the cost of 1 rose.

The price of each tulip is the same and the price of each roses the same. One customer bought seven tulips and nine roses for $25.90. This means that

7x + 9y = 25.9 - - - - - - - - - - - - - - 1

Another customer bought for four tulips and eight roses for $19.80. This means that

4x + 8y = 19.8- - - - - - - - - - - - - - - 2

Multiplying equation 1 by 4 and equation 2 by 7, it becomes

28x + 36y = 103.6

28x + 56y = 138.6

Subtracting, it becomes

- 20y = - 35

y = - 35/ - 20

y = 1.75

Substituting y = 1.75 into equation 2, it becomes

4x + 8 × 1.75 = 19.8

4x + 14 = 19.8

4x = 19.8 - 14 = 5.8

x = 5.8/4

x = 1.45

The cost of 5 tulips would be

1.45 × 5 = $7.25

The cost of 6 roses would be

1.75 × 6 = $10.5

7 0
3 years ago
Lizbeth deposited $6200 into a savings account for which interest is compounded monthly at a rate of 2.37%. How much interest wi
aleksley [76]
A=6200(1+0.0237/12)^12*8
A=7,492.95
Amount earned=7492.95-6200=1,292.95
8 0
3 years ago
Read 2 more answers
HELP!!!! PLEASE I NEED HELP!!!!
NNADVOKAT [17]

for the first one it is the second option because of one property of logarithms:

log(a)-log(b)=log\frac{a}{b}

for the second one using the same property we can say that we third option is correct and not the second one but we use one more property of the logarithm

loga(b)^x=xloga(b) the power of the logarithm becomes a fator and \sqrt[3]{x} is equal to x^{\frac{1}{3}}

8 0
3 years ago
Thx in advance for the help
lubasha [3.4K]

Answer: x\geq 13

Step-by-step explanation:

Given

The inequality is  2x-7\geq 19

adding both side 7

2x-7+7\geq 19+7\\2x\geq 26

Multiply both sides by \frac{1}{2}

\dfrac{1}{2}\times 2x\geq 26\times \dfrac{1}{2}\\\\x\geq 13

the shaded region in the figure indicates the solution set.

6 0
3 years ago
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