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3 years ago

Help me guys???????????????

Mathematics

2 answers:

maks197457 [2]3 years ago

7 0

Answer) 10 x 10 + 10 + 2 x 2^2 = 118

My name is Ann [436]3 years ago

5 0

Answer:

118

Step-by-step explanation:

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Mark buys a wooden board that is 7 1/2 feet long. The cost of the board is $0.50 per foot, including tax. What is the total cost

artcher [175]

Answer:

Total cost of Mark's board is $3.75.

Step-by-step explanation:

We are given the following in the question:

Length of wooden board =

$=7\dfrac{1}{2}\text{ foot}$

Unit cost of board = $0.50 per foot

Total cost of board =

$=\text{Length of board}\times \text{Unit cost of board}\\\\=7\dfrac{1}{2}\times 0.50\\\\=\dfrac{15}{2}\times \dfrac{1}{2}\\\\=\dfrac{15}{4} = 3.75\$$

Thus, total cost of Mark's board is $3.75.

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3 years ago

Ellis is painting wooden fenceposts before putting them in his yard. They are each 7 feet tall and have a diameter of 1 foot. Th

Zina [86]

what class is this for send to me in message

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3 years ago

The price of an item has risen to $182 today. Yesterday it was $140. Find the percentage increase.

nadya68 [22]

Answer:You can do 182-140 which is 42, so the answer would be that the percentage has increased 42%

Step-by-step explanation:

8 0

3 years ago

Good morning and night. Can anyone help me on this question?

leonid [27]

Answer:

X = Y x 3

Step-by-step explanation:

In the table, we can look at 5 and 15 as well as 11 and 33 and easilly tell that it has a correlation of tripling the number. To check our answer, all we must do is 8 1/3 x 3 and end up with 25

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3 years ago

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Can someone please help me out on these few questions?

grigory [225]

Answer:

See Below

Step-by-step explanation:

$(2m+4)^{2} \\= (2m + 4)(2m + 4) \\= (2m)(2m) + (4)(2m) + (2m)(4) + (4)(4) \\= 4m^{2} + 8m + 8 m + 16 \\= 4m^{2} + 16m + 16\\$

$(2x + 1)( x - 3) \\= (2x)(x) + (1)(x) + (2x)(-3) + (1)(-3) \\= 2x^{2} + x - 6x -3 \\= 2x^{2} -5x -3$

3. The missing term is 7x^2 * 3

$(7x^{2})(3)\\= 21x^{2}$

4. The terms in the final polynomial are 42x^2, 9 and 42x^4. Because the missing term is 21x^2 and the terms in the final polynomial includes all the blocks

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4 years ago

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