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borishaifa [10]
3 years ago
13

Evaluate the expression when b =6 and y =-2 3y-b

Mathematics
2 answers:
alukav5142 [94]3 years ago
7 0

Answer:

-12

Step-by-step explanation:

3y - b

3(-2) - 6

-6 - 6

-12

kirza4 [7]3 years ago
4 0

Answer:

-12

Step-by-step explanation:

All you do is substitute the numbers into the equation and solve.

3 * (-2) - 6 = (-12)

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What is y+7/3=y/3 i really need help fast
Y_Kistochka [10]
Y should equal -7/2 or -3.5
3 0
3 years ago
1 over the square root of 8 = 4^(m − 2)?
andrew11 [14]

Answer:

5.5

Step-by-step explanation:

\frac{1}{ \sqrt{8} }  =  {4}^{(m - 2)}  \\

Squaring both sides

\frac{1}{8}  =  {4}^{2(m - 2)} \\   \frac{1}{8} =   {4}^{2}   \times  {4}^{(m - 2)}  \\  \frac{1}{8 \times  {4}^{2} }  =  {4}^{(m - 2)}  \\   \frac{1}{8 \times 16}  =  {4}^{(m - 2)}  \\  \frac{1}{128}  =  {4}^{(m - 2)}  \\  log_{4}(128)  = (m - 2) \\  \frac{7}{2}  = m - 2 \\ m =  \frac{11}{2}  = 5.5

7 0
4 years ago
Please help! <br> i have no clue what to do!!
Oksi-84 [34.3K]

If you look up “Four 4s Challenge” on yt you should find a couple videos explaining it! i just watched a little bit of one so i’ll try and help now though.

I’ll do 1-5 for you and try my best to explain :)) and if you need more answers or more help just let me know

So first, we need to find out how to get 1 using four 4s

1. (4/4)/(4/4)

this would read “four divided by four divided by four divided by four” which equals 1

2. 4/4+4/4

3. (4+4+4)/4

4. 4*(4-4)+4

5. (4*4+4)/4

Remember that you’ve gotta use an equation with just four 4s to get to every number

8 0
3 years ago
What is the mass of 75¢ in nickels?
Dima020 [189]
According to the United States Mint, the mass of 1 nickel is 5.000 g.

\dfrac{\$0.75}{\$0.05} = 15

There are 15 nickles in 75 cents worth of nickels.

15 * 5.000 g = 75.000 g

Answer: 75.000 grams
6 0
3 years ago
explain how arc length and the measure of the central angle of a circle are related. check my answer?
vovikov84 [41]
The central angle and the length of arc are related by the formula:

Length of arc = (θ/360) * 2πr

Where θ = Central angle.

If the central angle is one quarter of the entire circle, the length of arc would also be one quarter of the entire circumference of the circle.
4 0
4 years ago
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