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koban [17]
4 years ago
13

Can you help me with this maths question? (image attached)

Mathematics
1 answer:
mafiozo [28]4 years ago
8 0
The radius is 10.4 cm. And the angle is 120 which is 1/3 of the circle. 
Just use the area formula: 3.14 *r^2 to find the total area of 339.62 and then divide this by 3 to get 113.21. Then to subtract the triangle..find the area of the traingle which is 1/2 (10.4)^2 = 54.08. 113.21 - 54.08 = 59.13 which should be your answer
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Solve using any method.
Mkey [24]
Fourth one since x is 2 and the y is 1
5 0
3 years ago
Assume that instead of conducting experiments, Latané and Darley had used a correlational method to study the relation between t
Len [333]

Answer:

  C)  a positive correlation

Step-by-step explanation:

<em>More people ⇒ Longer time</em> is a positive correlation between those variables. However, <em>longer time</em> is not the desired outcome.

Rather, <em>shorter time</em> is the desired outcome. The correlation between <em>more people</em> and <em>shorter time</em> is negative. In order to compute that correlation numerically, one would have to define a function that would give a numerical value for "shorter time" that would model the goodness of outcome as time gets shorter.

7 0
3 years ago
Hi! I was wondering if you could help with this question please :)​
Makovka662 [10]

Answer:

R=\frac{QJ}{I^2t}

Step-by-step explanation:

So we have the equation:

Q=\frac{I^2Rt}{J}

And we want to solve for R.

First, let's multiply both sides by J to remove the fraction on the right. So:

(J)Q=(J)\frac{I^2Rt}{J}

Simplify the right:

JQ=I^2Rt

We can rewrite our equation as:

JQ=R(I^2t)

So, to isolate the R variable, divide both sides by I²t:

\frac{JQ}{I^2t}=\frac{R(I^2t)}{I^2t}

The right side cancels, so:

R=\frac{QJ}{I^2t}

And we are done!

7 0
3 years ago
A globe in the shape of a sphere has a radius of 3/4 ft. What is the volume of the globe?
mafiozo [28]

Answer:

1.768

Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
Math. Help much appreciated
ella [17]

First of all, expand the left hand side:

4x+4 - 7 < 3x + 5

Sum like terms:

4x -3 < 3x + 5

Add 3 to both sides:

4x < 3x + 8

Subtract 3x from both sides:

x < 8

So this is the solution. Every number smaller than 8 (excluded) is part of the solution of this inequality.

4 0
3 years ago
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