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Trava [24]
3 years ago
12

Help please. Thanks and I will thank you

Mathematics
1 answer:
Sunny_sXe [5.5K]3 years ago
7 0
Hi, I would love to help you, but, the picture quality is not that great, would it be possible, if you can retake this image again.

Many thanks!
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Please help? It’s a basic time question and I don’t get it. Either I’m really dumb or it’s to complicated
Y_Kistochka [10]

Answer: D 1 hour 56 minutes

5 0
4 years ago
Read 2 more answers
Write the Equation of the line that has a slope of -2 and passes through the points (9,5)
AlladinOne [14]

Start with the point-slope formula shown at the top in red.

Now, substitute your slope and coordinates in the formula.

Then distribute and combine lie terms.

Finally, add 2x to both sides to get your equation in standard form.

4 0
4 years ago
FIND THE VOLUME OF A CONE 0F DIAMETER 14M AND HEIGHT 21CM. (TAKE = 3 )
Ksenya-84 [330]

Answer:

343π

Step-by-step explanation:

To find the volume of a cone, we have to use this formula

\frac{1}{3} × π × r² × h

Where 'r' is the radius and 'h' is the height

Let's start putting in the value's

We have diameter but in the formula we need the radius so we half the diameter to get the radius so 14 ÷ 2 = 7

\frac{1}{3} × π × r² × h

\frac{1}{3} × π × 7² × 21

→  Simplify the expression

\frac{1}{3}  × π × 49 × 21

→ Simplify it further

343π

6 0
3 years ago
Which equation can be used to solve for x in the following diagram?
Kruka [31]

Answer:

I'm answering this for points

4 0
3 years ago
Even though the population standard deviation is unknown, an investigator uses z rather than the more appropriate t to test a hy
Marta_Voda [28]

Answer:

a) The level of significance is large because here z is not appropriate.

b) The true critical value is larger than z because the level of significance is large.

Step-by-step explanation:

a) Based on the question under consideration, the true level of significance is larger than .05 level of significance is large, the reason being that z is not appropriate in this case.

b) The true critical value is larger than that of the critical z, this is because the level of significance is large.

t* in P(T > t*) = 0.975 is more than z* = 1.96 in P(z> z*) =0.975

3 0
3 years ago
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