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3 years ago

Will give Brainliest!! I need help tbh, prize is brainliest. (no links-)

Mathematics

2 answers:

Anika [276]3 years ago

4 0

C 24 units x 14 units hope this helps

tresset_1 [31]3 years ago

3 0

Answer:

B) 16 x 8

Step-by-step explanation:

Just look at the units on each line, all the way to the left edge of the box, it is on the point -8, and on the right edge it's at 8, so you figure out how far apart those two points are, which is 16

Then for the other side you take the top point 2, and the bottom point -6, and find how far apart they are which is 8

then you get your dimensions of 16 x 8

hope this helped

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Bas_tet [7]

Answer:

Step-by-step explanation:

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2 years ago

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A class trip to the city will cost $396.66. If the 24 students in the class share the cost, how much will Henry, a student in th

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$396.66/24 students = $16.5275 which could be rounded to $16.53

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3 years ago

HELP ON A TEST

Strike441 [17]

First three. A, b, c.
The triangle is a right triangle.
The triangle is a Pythagorean triple.
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4 years ago

Find the midpoint of A and B where A has coordinates (2, 4)<br> and B has coordinates (-3, -9).

tatuchka [14]

Answer:

(-0.5,-2.5)

Step-by-step explanation:

(x1 + x2) / 2 = x midpoint
(y1 + y2) / 2 = y midpoint

⇒ 2 + -3 = 5

⇒ 5 / 2 = -0.5

⇒ 4 + -9 = -5

⇒ -5 / 2 = -2.5

→ = (-0.5, -2.5)

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3 years ago

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Thompson and Thompson is a steel bolts manufacturing company. Their current steel bolts have a mean diameter of 141 millimeters,

tiny-mole [99]

Answer:

Probability that the sample mean would be greater than 141.4 millimetres is 0.3594.

Step-by-step explanation:

We are given that Thompson and Thompson is a steel bolts manufacturing company. Their current steel bolts have a mean diameter of 141 millimetres, and a standard deviation of 7.

A random sample of 39 steel bolts is selected.

Let $\bar X$ = <u><em>sample mean diameter</em></u>

The z score probability distribution for sample mean is given by;

Z = $\frac{ \bar X-\mu}{\frac{\sigma}{\sqrt{n} } } }$ ~ N(0,1)

where, $\mu$ = population mean diameter = 141 millimetres

$\sigma$ = standard deviation = 7 millimetres

n = sample of steel bolts = 39

Now, Percentage the sample mean would be greater than 141.4 millimetres is given by = P( $\bar X$ > 141.4 millimetres)

P( $\bar X$ > 141.4) = P( $\frac{ \bar X-\mu}{\frac{\sigma}{\sqrt{n} } } }$ > $\frac{141.4-141}{\frac{7}{\sqrt{39} } } }$ ) = P(Z > 0.36) = 1 - P(Z $\leq$ 0.36)

= 1 - 0.6406 = <u>0.3594</u>

The above probability is calculated by looking at the value of x = 0.36 in the z table which has an area of 0.6406.

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4 years ago