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valentina_108 [34]
3 years ago
11

Can someone give me some formulas for algebra 1 i need it for my final

Mathematics
1 answer:
cricket20 [7]3 years ago
3 0
Ax+By+C=0. Standard form of a linear equation.

Use C= (B/2)^2. To complete the square.

D=RxT. Distance = (Rate)(Time

y = mx + b. Slope-intercept form ( easy to graph)
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What’s the answer of 7 1/2 divided by 3/4
Orlov [11]

Answer:

the answer is 10

Step-by-step explanation:

7 1/2 x 4/3=10

7 0
3 years ago
Read 2 more answers
YOU WILL GET 20 POINTSSS ANSWER FAST Find the surface area of the square pyramid.
Whitepunk [10]

Answer:

105IN^2

Step-by-step explanation:

surface area of a square pyramid formula: 2bs+b^2

where s=slant height

and

b=base

so

2(5)(8)+5^2=

80+25=106

105in^2

Hope this helps!

7 0
3 years ago
Solve the following equation for x.​
sveticcg [70]

Answer:

If you just solve normally, you will get x=2 and x=-3. But if you plug these in to check your work, you will find that they are wrong. Your answer is no solution

Step-by-step explanation:

ln(2x+3)+ln(x-2)=ln(x^2-2x)

<em>Rule: log(a) + log(b) = log(a*b)</em>

ln( (2x+3)(x-2) ) = ln(x^2-2x)

<em>Rule: If log(a) = log(b) then a = b</em>

(2x+3)(x-2) = x^2 - 2x

2x^2-x-6=x^2-2x

x^2+x-6=0

<em>Using Quadratic Formula:</em>

x = 2 and x = -3

But, plugging these numbers back into the original equation is false!

3 0
3 years ago
What is the equation of the line that is perpendicular to the give line and has an x intercept of 6?
disa [49]

Answer:

y = 4/3x - 8  (reduce 8/6 to 4/3)

Step-by-step explanation:

The perpendicular slope of a line is opposite reciprocal to the one given.  The one given (count rise over run) is -6/8 (blocks are every 2)  So the slope of a perpendicular line will be 8/6

So from the x intercept point of 6 (6,0) count up 8 (count by 2's) and and right 6 (count by 2's) and count down 8 (count by 2's) and left 6 (count by 2's)

connect the points and your line will go through -8 on the y axis which is your y intercept (b)

5 0
3 years ago
A pizza shop offers 30% off a large pizza every Tuesday night. If the regular price is 25$ what is the discounted price?
xenn [34]
Your total will be 17.50
7 0
3 years ago
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