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Lesechka [4]
3 years ago
9

Ndelaria estimates that the drama club sold 400 tickets to the school play. The

Mathematics
1 answer:
vredina [299]3 years ago
8 0
89% he got wrong percent
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Determine the zeros of the function 2x^2-4x-6=0
muminat
X=3,-1 the roots are the (zeros)
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3 years ago
-3r-8(8r+8)=-9(-4+9r)​
natulia [17]

Answer:

r= 7.14 (rounded to 2 decimal places)

Step-by-step explanation:

We have to solve this equation for the value of r. We will use distributive property and basic algebra to solve this.

Distributive property is  a(b+c) = ab + ac

Now, the steps of solving are shown below:

-3r-8(8r+8)=-9(-4+9r)\\-3r -64r-64=36-81r\\-67r-64=36-81r\\-67r+81r=36+64\\14r=100\\r=\frac{100}{14}\\r=7.14

Hence, value of r is 7.14 (rounded to 2 decimal places)

8 0
3 years ago
A=1+Prt solve for p
lilavasa [31]

A=1+Prt\\\\Prt=A-1\\\\P=\dfrac{A-1}{rt}

4 0
3 years ago
Which one of the 4 red digits,<br> will make all 3 numbers prime?
wolverine [178]

931 are the answer ................

7 0
3 years ago
One stack has 6 cups, and its height is 15 cm. The other one has 12 cups, and its height is 23 cm. How many cups are needed for
Ronch [10]

Answer:

Given

Number of stacks = 2

Stack 1 = 6 cups; h1 = 15cm

Stack 2 = 12 cups; h2 = 23cm

Let's first find the average:

With an average of 4/3, to obtain the number of cups needed to obtain a height of 50m, we have:

50 / (4/3)

= 50 * 3/4

= 150/4

= 37.5

From the answer, we can see that the number of cups is not really proportional to the height of the stack, because the average of stack one and stack 2 are different.

Step-by-step explanation:

7 0
3 years ago
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