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cupoosta [38]
2 years ago
10

Gotta question what us 9 times 8 Do not answer the question without showing your work or I'm reporting you because your stealing

my points
Mathematics
2 answers:
Aleksandr-060686 [28]2 years ago
8 0

Answer:

72

Step-by-step explanation:

9x8 is the same as 9+9+9+9+9+9+9+9

when you add them together, you get 72.

Wittaler [7]2 years ago
8 0

Answer:

72

Step-by-step explanation:

9x8=72 because it is similar to 9+9+9+9+9+9+9+9 which is equals to 72 and it is also similar to 8+8+8+8+8+8+8+8+8 which is also equals to 72 because multiplication is repeated addition

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Could someone help with my previously asked questions​
m_a_m_a [10]

Answer:

ill try! <3

Step-by-step explanation:

3 0
3 years ago
Read 2 more answers
Using your knowledge of exponential and logarithmic functions and properties, what is the intensity of a fire alarm that has a s
Ierofanga [76]

Option B:

I=1.0\times\ 10^{0} \ \text {watts}/ \text m^2}

Solution:

Given sound level = 120 decibel

To find the intensity of a fire alarm:

$\beta=10\log\left(\frac{I}{I_0} \right)

where I_0=1\times10^{-12}\ \text {watts}/ \text m^2}

Step 1: First divide the decibel level by 10.

120 ÷ 10 = 12

Step 2: Use that value in the exponent of the ratio with base 10.

10^{12}

Step 3: Use that power of twelve to find the intensity in Watts per square meter.

$10^{12}=\left(\frac{I}{I_0} \right)

$10^{12}=\left(\frac{I}{1\times10^{-12}\ \text {watts}/ \text m^2} \right)

Now, do the cross multiplication,

I=10^{12}\times1\times\ 10^{-12} \ \text {watts}/ \text m^2}

I=1\times\ 10^{12-12} \ \text {watts}/ \text m^2}

I=1\times\ 10^{0} \ \text {watts}/ \text m^2}

I=1.0\times\ 10^{0} \ \text {watts}/ \text m^2}

Option B is the correct answer.

Hence I=1.0\times\ 10^{0} \ \text {watts}/ \text m^2}.

5 0
3 years ago
If a 200 N net force acts on a 500 grams car, what will the acceleration of the car be? ​
ladessa [460]

Answer:

The acceleration of the car will be 400 m/s².

Step-by-step explanation:

The acceleration of the car can be found using Newton second law:

F = ma

Where:

F: is the net force = 200 N

m: is the mass = 500 g

a: is the acceleration =?

Then, the acceleration will be:

a = \frac{F}{m} = \frac{200 N}{500 g*\frac{1 kg}{1000 g}} = 400 m/s^{2}  

Therefore, the acceleration of the car will be 400 m/s².

I hope it helps you!

4 0
2 years ago
NEED ANSWERS ASAP THIS IS DUE TODAY
Aneli [31]
C. Tom is incorrect. Maureen earns $67,685.
5 0
2 years ago
1) Enter the value of n that makes the equation 4^6• 4^n= 4^9 true.
Maslowich
N=3 because when you’re multiplying two numbers with a power, you add them to get your answer. so it would be 4^6•4^3=4^9 because 6+3=9, making the only possible value of n, 3.
5 0
3 years ago
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