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ira [324]
3 years ago
13

(10x^4-2x 7)-(6x^4+2x^3-4x^2-1)

Mathematics
1 answer:
Lerok [7]3 years ago
3 0

Hello from MrBillDoesMath!

Answer:

4x^4 - 2x^3 + 4x^2 -2x + ( +\-7 + 1)

See Discussion for meaning of "+\-" symbol above

Discussion:

** The first polynomial (10x^4-2x 7)    is missing an operand between 2x and 7. I have indicated it below by using (+\_), meaning I don't know what you wanted.**

(10x^4-2x +\- 7)-(6x^4+2x^3-4x^2-1)      => combine like terms

(10x^4 - 6x^4) - (2x^3) - (-4x^2) + (-2x) + ( +\-7 +1) =

4x^4 - 2x^3 + 4x^2 -2x + ( +\-7 + 1)

Thank you,

MrB

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Which statement correctly compares the numbers
MrMuchimi

Answer:

-0.8 is greater than -7/10

5 0
3 years ago
What is 2,606 + 7,025?
cestrela7 [59]

Answer:

2606 + 7025 = 9631

Pls mark me brainliest

5 0
3 years ago
Read 2 more answers
There were 3 bananas, 4 apples, and 3 oranges in a basket. What is the probability that Ace will pick a banana from the basket?
Jlenok [28]

0.3 or 30%. The probability that Ace pick a banana from a basket that content others fruits is 0.3.

The key to solve this problem is using the equation of probability P(A)=\frac{n(A)}{n} where n(A) the numbers of favorables outcomes and n the numbers of possible outcomes.

There are in the basket 10 fruits in total (3 bananas + 4 apples + 3 oranges = 10fruits). Then, extract a fruit can occur in 10 ways, this is n. There is only 3 bananas in the basket, so the fruit that ACE will pick be a banana can occur in 3 ways out of 10,  so 3 is n(A).

Solving the equation:

P(A)=\frac{3}{10}=0.3

5 0
4 years ago
The front of an A-frame cabin in a national park is the shape of a triangle with an area of 564 ft.² if the height is 1 feet les
aleksandrvk [35]

Answer:

Base = 24 ft; height = 47 ft  

Step-by-step explanation:

The formula for the area of a triangle is

A = ½bh

Let x = the base. Then

2x - 1 = the height

\begin{array}{ccc}A & = & \dfrac{1}{2}bh\\\\564 & = & \dfrac{1}{2}x(2x - 1)\\ \\1128 & = & x(2x - 1)\\& = & 2x^{2} - x\\2x^{2} - x - 1128 & = & 0\\(2x + 47)(x - 24) & = & 0\\2x + 47 = 0 &\qquad & x - 24 = 0\\2x = -47 & \qquad & x = \mathbf{24}\\x = -23.5 & \qquad & \\\end{array}

We reject the negative value, so x = 24 ft

Base = x = 24 ft

Height = 2x - 1 = 2(24)-1 = 48 - 1 = 47 ft

Check:

564 = ½ × 24 × 47

564 = 564

OK

3 0
3 years ago
Stephanie is hosting an art show and she would like to raise at least $800. She plans on
Masteriza [31]

Answer: 10, 15

Step-by-step explanation:

Given

Stephanie wants to raise at least $800

she plans on selling VIP tickets for $20 each and general admission for $40 each

suppose there are x and y tickets for VIP and general admission

\therefore x+y\leq 25\\\\\Rightarrow 20x+40y\geq 800

solving above two inequality

Stephanie must sell 10 tickets for VIP and 15 tickets for general admission

7 0
3 years ago
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