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krok68 [10]
3 years ago
7

Did I set up the equation right? Please help me.​

Mathematics
1 answer:
andrezito [222]3 years ago
5 0

Yes you did a little reminder for you from me is that c^2 will ALWAYS be across from the right angle(90 degree)

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(1 + 9.8k)(2.8) simplified
o-na [289]

Answer:

<em>2.8 + 27.44k</em>

Step-by-step explanation:

<u>Algebraic Simplification</u>

The rules of algebra can be applied in some situations to make expressions simplified or expanded, according to the specific needs of each problem.

We are given the expression:

(1 + 9.8k)(2.8)

It's a sum and a product. We cannot add the independent term with the variable term, so we can only multiply the factor and the contents of the parentheses as follows:

(2.8)1 + (2.8)9.8k

Operating:

2.8 + 27.44k

5 0
2 years ago
On a math quiz, Tina scored 5 less points than Ben. Juan scored
kumpel [21]

Answer:

a) t=b-5 b) j=b+3+2

Step-by-step explanation:

t is tina, we don't know how much Ben scored so we use b, then subtract 5 because tina got 5 less. same thing for Juan but we add the 3 points he got more than Ben and the 2 extra credit points

7 0
3 years ago
This trapezoid-based right pyramid has a volume of 48m^3
aliya0001 [1]

Answer:

18

Step-by-step explanation:

Khan Academy

3 0
2 years ago
If the line in the graph is shifted up two units which is the equation of the new line
anastassius [24]

Answer:

f(x) + 2.

Step-by-step explanation:

Example:

If we have say f(x) = x + 1 then 2 units will be added to f(x) when it is moved up 2 units.

So the equation of this line will be f(x) + 2 which in this example is

x + 1+ 2.

The new function is  x + 3.

5 0
3 years ago
Simplify the difference. (–7x – 5x^4 + 5) – (–7x^4 – 5 – 9x)
sineoko [7]

Answer: 2x^4+2x+10

Step-by-step explanation:

You need to remember the mulplication of signs:

(+)(+)=+\\(-)(-)=+\\(-)(+)=-

Knowing this, you can distributive the negative sign. Then you get:

(-7x- 5x^4 + 5) - (-7x^4 - 5 - 9x)=-7x- 5x^4 + 5 +7x^4 + 5 + 9x

Now you need to add the like terms. Then:

=2x+2x^4+10

Finally, you can order the polynomial obtained in descending order. Therefore, the answer is:

=2x^4+2x+10

4 0
2 years ago
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