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oksano4ka [1.4K]
3 years ago
9

Help pls 30 points dont know how and what this is

Mathematics
1 answer:
joja [24]3 years ago
8 0

Answer:

I think it is either D or E, probably D, but if it is E it's because the money should be on top.

Answer: D

Step-by-step explanation:

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Solve for y. Then find the values of y that correspond
julsineya [31]

7.

y + 8x = -2

f(x) = y = -8x - 2

f(0)=-2, f(1)=-10, f(2)=-18, f(-2)=14

8.

12x + 3y = 15

3y = -12x + 15

f(x) = y = -4x + 5

f(-1)=9, f(0)=5, f(1)=1

9.

y - 3x = 9

f(x) = y = 3x + 9

f(-2)=3, f(0)=9, f(2)=15

10.

0.4y + 2x = 1.2

4y + 20x = 12

4y = -20x + 12

f(x) = y = -5x + 3

f(-3) = 18, f(0)=3

6 0
4 years ago
A circle is represented by the equation below:
nadya68 [22]

Answer:

The center is (9,-8) and the diameter is 8

Step-by-step explanation:

(x − 9)^2 + (y + 8)^2 = 16

A circle is in the form

(x − h)^2 + (y -k)^2 = r^2  where (h,k) is the center and r is the radius

(x − 9)^2 + (y -  -8)^2 = 4^2  

The center is (9,-8) and the radius is 4

The diameter is 2 times the radius so the diameter is 8

The center is (9,-8) and the diameter is 8

4 0
3 years ago
Alicia's MP3 player contains 1,260 song. Given that 35% of the songs are rock songs and 20% of the songs are rap songs, how many
schepotkina [342]
1. 567
2. 33
3. 85%; $17
4. they have 4 pages left
5. (-5,2)
8 0
3 years ago
A. se reparten 18 dulces entre 3 personas​​
ololo11 [35]

Sólo debemos dividir los numeros:

\:  \:  \: \sf \begin{gathered}   \:  \:  \:  \:  \:  \:  \: \sf\rightarrow18 \div 3 = 6 \\ \:  \:  \:  \:  \: \:  \:  \:  \:  \:  \:  \:  \sf \rightarrow 6 + 6 + 6 = 18 \end{gathered}

Entonces, A cada persona le tocan 6 dulces.

Espero que te sirva, salu2!!!!

8 0
2 years ago
Read 2 more answers
What does g(n) equal
NikAS [45]
We are given the function: 
g(n) = 3 (\frac{7}{5} )^n

We need to find what g(-3) equals. 

What the question is asking is what is the resulting value after you plug in -3 as n to the function. Meaning you replace the n that is in the function with -3. 

g(-3) = 3( \frac{7}{5})^{-3}

Remember back to the order of operations. 

Parenthesis
Exponents
Multiplication
Division
Addition
Subtraction

For this problem we can keep the fraction as it is (unless you are permitted to use a calculator... if that is the case then just plug all that into a calculator) and keep going to the exponent. 

Negative exponents make fractions FLIP. So our fraction will look like this: (\frac{7}{5})^{-3} =  (\frac{5}{7})^{3}

Now that we have it without the negative exponent we need to distribute the cubed power to each number in the fraction (which is essentially the same as saying this: \frac{5}{7}* \frac{5}{7}* \frac{5}{7})

\frac{5^{3}}{7^{3}} =  \frac{125}{343}

We ARE NOT done! We still have this left: 
g(-3) = 3 \frac{125}{343}
Multiplying by 3 you get the following: 

\frac{375}{343}

So what does g(-3) equal? This right here: 

\frac{375}{343}
5 0
4 years ago
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