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denis23 [38]
3 years ago
12

What is 9.15 to the nearest tenth

Mathematics
1 answer:
tiny-mole [99]3 years ago
6 0
The answer is 9.2, because when the number behind the number being rounded is 5 or above, you round up. if the number was 9.14, it would be rounded down to 9.1 :)
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Evaluate 38+16 * 12÷2-(30 * 2)
Dvinal [7]

Answer

The answer is 8040

Step-by-step explanation:

It might be wrong, but here take it this way with Pemdas.

P= Parenthesis (30*2) and what's in there is multiplication correct? So, 30 times 2 is 60. Then, E is exponents. There's none there. So we skip to multiplication. 16 times 12 is what? 192. Next is division. So 192 divided by 2. That's 96. So, Then it'd be 38+96(60.) 38+96= 134. 134(60) That being said. That would equal  = 8040  using Multiplication, 194 using addition. 74 using subtraction. And 2.2_ using division.

8 0
4 years ago
POINTS!!! PLS COME AND LOOK!!! I NEED YOU GENIUSES!!! I WILL GIVE BRAINLIEST!!!!! AT LEAST COME AND LOOK!!!! WILL FOREVER BE GRE
Papessa [141]

Answer:

13.A) y= 4/3 x+1

D) all real numbers

Step-by-step explanation:

y= -\frac{3}{4}  x+2\\(3,5)=(x,y)\\m_1 =-\frac{3}{4} \\\\m_2 = \frac{-1}{-\frac{3}{4} } \\m_2 =4/3\\Substitute\:values\:into\:y=mx+b\:form\\\\5 = \frac{4}{3} (3) +b\\5 = 4+b\\5-4=b\\1=b\\m =4/3\\\\Substitute \:new\:values\:into\:y=mx+b\:form\\\\y = \frac{4}{3} x +1

7 0
4 years ago
What is the zero of the function ?
Maru [420]

Answer:

The zero of a function is any replacement for the variable that will produce an answer of zero. Graphically, the real zero of a function is where the graph of the function crosses the x‐axis; that is, the real zero of a function is the x‐intercept(s) of the graph of the function.

Step-by-step explanation:

4 0
3 years ago
you can use a calculator if you want. No links please help this is very important i will give you brain thing if its correct
Pavel [41]

Answer:

B

Step-by-step explanation:

You don't even have to do complicated the math as the numbers are complicated for a reason. Round 1.99 to 2 and 1.83 to 1. and the answer is 5.4, which is closest to answer B.

4 0
3 years ago
Find the height of a cone when its diameter is 8 inches and the volume is 100 cubic inches
Aloiza [94]

Answer:

\frac{75}{4\pi } inches or approximately 5.97 inches  

Step-by-step explanation:

Use the cone volume formula: V = \pir²\frac{h}{3}

The diameter is 8 inches, so the radius will be 4 inches.

Plug in the radius and volume, and solve for h

V = \pir²\frac{h}{3}

100 = \pi(4²)(\frac{h}{3})

100 = 16\pi\frac{h}{3}

Divide each side by 16\pi

\frac{25}{4\pi } = \frac{h}{3}

Cross multiply and solve for h:

4\pih = 75

h = \frac{75}{4\pi }

So, the cone's height is \frac{75}{4\pi } or approximately 5.97 inches  

7 0
3 years ago
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