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storchak [24]
4 years ago
8

PLS HELP ME ON THIS QUESTION I WILL MARK YOU AS BRAINLIEST IF YOU KNOW THE ANSWER PLS GIVE ME A STEP BY STEP EXPLANATION!!

Mathematics
1 answer:
Reptile [31]4 years ago
5 0

Answer:

I don't know

Step-by-step explanation:

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A box contains a 3 nickel, 2 pennies, and 5dimes. Find the probability of choosing first a dime, and then, without replacing the
ElenaW [278]

Answer:

Finding a dime, 5/10

Finding a penny, 2/9

Step-by-step explanation:

add up the total number of coins, 10, and put the number of dimes over it

5/10

add up the total number of coins, 10, and subtract a dime, so there is 9 coins, but 2 pennies so 2/9

8 0
4 years ago
In Y+(y+1)+(y+2)=90 how is the value of y?
Ksenya-84 [330]

Answer:

y=29.

Step-by-step explanation:

To find the value of y:

y+(y+1)+(y+2)=90

Firstly, collect like terms

3y+3=90

3y=90-3

3y=87

Divide both sides by 3

y=29.

A cheerful teen willing to help,

stay positive,

stay salty

7 0
3 years ago
A yoga studio sells monthly memberships. The function f(x) = −x2 + 50x − 264 models the profit in dollars, where x is the number
-BARSIC- [3]
<h2>Answer:</h2>

<em>x = 6, x = 44; The zeros represent the number of monthly memberships where no profit is made.</em>

<h2>Explanation:</h2>

Here we have the function:

f(x) = -x^2 + 50x - 264

that models the profit in dollars, where x is the number of memberships sold. In order to get the zeros we'll use the quadratic formula:

\quad x_{1,\:2}=\frac{-b\pm \sqrt{b^2-4ac}}{2a} \\ \\ \\ For: \\ \\ a=-1,\:b=50,\:c=-264:\quad x_{1,\:2}=\frac{-50\pm \sqrt{50^2-4\left(-1\right)\left(-264\right)}}{2\left(-1\right)} \\ \\ \\ x_{1}=\frac{-50+\sqrt{50^2-4\left(-1\right)\left(-264\right)}}{2\left(-1\right)}=\frac{-50+\sqrt{50^2-4\cdot \:1\cdot \:264}}{-2\cdot \:1}=\frac{-50+\sqrt{1444}}{-2\cdot \:1}=6 \\ \\ \\

x_{2}=\frac{-50-\sqrt{50^2-4\left(-1\right)\left(-264\right)}}{2\left(-1\right)}=\frac{-50-\sqrt{50^2-4\cdot \:1\cdot \:264}}{-2\cdot \:1}=\frac{-50-\sqrt{1444}}{-2}=44

So the zeros are:

x=6 \\ \\ x=44

The zeros occurs when f(x)=0, so we can conclude that at those points there is no any profit.

In conclusion:

<em>x = 6, x = 44; The zeros represent the number of monthly memberships where no profit is made.</em>

7 0
4 years ago
Read 2 more answers
In which quadrant does the given point lie? (8,-1)
nlexa [21]
The point (8,-1) would lie in the quadrant IV or 4.
Hope This Helps!
4 0
4 years ago
Read 2 more answers
Ricardo was mixing blue paint and yellow paint in a ratio of 3:5 to make green paint. He wants to make 40 liters of green paint.
Norma-Jean [14]

Answer:

yellow: 5 10 15 20 25

blue: 3 6 9 12 15

green: 8 16 24 32 40

Step-by-step explanation

kinda a guess but i think its safe

6 0
3 years ago
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