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sp2606 [1]
4 years ago
12

Is this expression a perfect square trinomial?

Mathematics
1 answer:
Katyanochek1 [597]4 years ago
6 0
Yes it is (10x-y)^2 is the answer of it
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Shari plans to bake cherry pies and sell them for $9.50 each how much pies dose she have to sell to make $100 profit
lakkis [162]
At less 10 pies. hope this helps
8 0
4 years ago
Karen is writing a word problem that can be represented by the equation 3x + 2 = 20. A box weighs 3 pounds and several 2 pound b
inna [77]
No because the box has a fixed weight as the several books weighing said pounds would most likely to be use as the x in this equation.
3 0
3 years ago
Ming throws a stone off a bridge into a river below.
AURORKA [14]

Answer:

1 seconds after being thrown, the stone reaches its max height

Step-by-step explanation:

The parabolic (quadratic) equation is:

h(x)=-5(x-1)^2+45

Lets expand this in the form ax^2+bx+c, so we have:

h(x)=-5(x-1)^2+45\\h(x)=-5(x^2-2x+1)+45\\h(x)=-5x^2+10x-5+45\\h(x)=-5x^2+10x+40

We can say the values of a,b, and c, now to be:

a = -5

b = 10

c = 40

The number of seconds at which the max would occur is given by the point, x, at:

x=-\frac{b}{2a}

We know a and b, let's find the seconds, x,

x=-\frac{b}{2a}=-\frac{10}{2(-5)}=-\frac{10}{-10}=--1=1

Hence,

1 seconds after being thrown, the stone reach its max height

6 0
4 years ago
Read 2 more answers
Which symbol would make the number sentence true 8/11 ? 0.73
Nikitich [7]

Answer:

0.73 is greater than 8/11 so the answer is B

Step-by-step explanation:

if you make 8/11 into a decimal its 0.727273 which is less than 0.73

6 0
3 years ago
WILL GIVE BRAINLIEST
Olegator [25]
The answer is A.
We can first eliminate D since it uses these (<, >) signs and the lines are shaded, indicating the points on those lines are solutions.
We can also eliminate C because the y intercept in C’s lines is 2, while in the graph, they are both 3.
Finally, we can look at both inequalities on the graph and see that the shaded areas are both underneath the line. This means that y is less than the equation for the line, eliminating B
So, the answer is A
Hope this made sense!!

7 0
3 years ago
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