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3 years ago

Hello I am really struggling on this test, can someone please help me and I will help you

Mathematics

1 answer:

olganol [36]3 years ago

6 0

Answer:

x = 50

Step-by-step explanation:

SU is a midline segment and is one half the measure of VW, thus

VW = 2SU , that is

x - 46 = 2(x - 48) ← distribute

x - 46 = 2x - 96 ( subtract x from both sides )

- 46 = x - 96 ( add 96 to both sides )

50 = x

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The new cylinder can has radius of 5cm and a height of 9cm how many square centimeters of aluminum will it take to make this new

m_a_m_a [10]

Answer: $282.85\ cm^2$

Step-by-step explanation:

Given

Radius of cylinder $r=5\ cm$

The height of the cylinder is $h=9\ cm$

The surface area of a cylinder is $2\pi rh$

If only the outer is considered then, the area required is

$\Rightarrow A=2\times \dfrac{22}{7}\times 5\times 9\\\\\Rightarrow A=282.85\ cm^2$

7 0

3 years ago

A bag contains 5 orange marbles, 7 green marbles, and 8 blue marbles, where 3 of the orange marbles have white stripes, 1 of the

Nadya [2.5K]

Answer:

Step-by-step explanation:

quora.com/A-bag-contains-5-black-marbles-7-blue-marbles-3-green-marbles-4-red-marbles-and-1-white-marble-A-marble-is-selected-and-then-replaced-and-a-second-marble-is-chosen-What-is-the-probability-of-selecting-a-black-marble

Go to this website

3 0

2 years ago

What is the value of x?

prohojiy [21]

Answer:

x = 12 degree

Step-by-step explanation:

3x + 19 + 5x = 115 degree (sum of two interior opposite angles are equal to the third side)

8x + 19 = 115

8x = 115 - 19

x = 96 /8

x = 12

8 0

3 years ago

Read 2 more answers

What figure has exactly four lines of reflection that maps the figure onto itself

Ilia_Sergeevich [38]

1) square
2) rectangle
3) regular octagon
4<span>) equilateral triangle
All of these listed are figures of reflection that maps on to itself</span>

3 0

3 years ago

The claim is that the IQ scores of statistics professors are normally distributed, with a mean greater than 133. A sample of 28

LiRa [457]

Answer:

The value of the test statistic is 4.41

Step-by-step explanation:

Our test statistic is:

$t = \frac{X - \mu}{\frac{\sigma}{\sqrt{n}}}$

In which X is the mean of the sample, $\mu$ is the value of the claim, $\sigma$ is the standard deviation and n is the size of the sample.

In this problem, we have that:

$X = 138, \mu = 133, \sigma = 6, n = 28$

$t = \frac{X - \mu}{\frac{\sigma}{\sqrt{n}}}$

$t = \frac{138 - 133}{\frac{6}{\sqrt{28}}}$

$t = 4.41$

The value of the test statistic is 4.41

4 0

3 years ago