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3 years ago

I will mark brainliest, but please help me!

Mathematics

2 answers:

Firdavs [7]3 years ago

8 0

Answer: It is square prism. Even though it is more of a rectangle.

Step-by-step explanation:

mario62 [17]3 years ago

3 0

it wouldnt sorry i dont know this i read it wrong

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3 7/8- 3/8 I really need help!

Eddi Din [679]

Answer:

<u /> $3\frac{1}{2}$ <u />

Step-by-step explanation:

4 0

3 years ago

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Solve each equation (Polynomial equations)

lesya [120]

${ {e}^{x} }^{2} = \frac{1}{ {e}^{2} } \times {e}^{3x} \\ \Leftrightarrow { {e}^{x} }^{2} = {e}^{ 3x} \times {e}^{ - 2} \\ \Leftrightarrow { {e}^{x} }^{2} = {e}^{3x - 2} \\ \Leftrightarrow {x}^{2} = 3x - 2 \\ \Leftrightarrow {x}^{2} - 3x + 2 = 0 \\ \Leftrightarrow (x - 1)(x - 2) = 0 \\ x = 1 \: \vee \: x = 2 \\ \\ {32}^{ {x}^{2} - 2x } = \frac{1}{ {4}^{x} } \\ \Leftrightarrow {( {2}^{5} )}^{ {x}^{2} - 2x } = {2}^{ - 2x} \\ \Leftrightarrow {2}^{5 {x}^{2} - 10x } = {2}^{ - 2x} \\ \Leftrightarrow 5 {x}^{2} - 10x = - 2x \\ \Leftrightarrow 5 {x}^{2} - 8x = 0 \\ \Leftrightarrow x(5x - 8) = 0 \\ \Leftrightarrow x = 0 \: \vee \: x = \frac{8}{5} \\ \\ { {e}^{x} }^{3} = {2}^{2x} \\ \Leftrightarrow {x}^{3} = ln( {2}^{2x} ) \\ \Leftrightarrow {x}^{3} - 2x ln(2) = 0 \\ \Leftrightarrow x( {x}^{2} - 2 ln(2) ) = 0 \\ \Leftrightarrow x = 0 \:\vee \: {x}^{2} = 2 ln(2) \\ \Leftrightarrow x = 0 \:\vee \: x = \sqrt{2 ln(2) } \:\vee \: x = - \sqrt{2 ln(2) }$

8 0

4 years ago

How many 0.75 pound packages can be made with 6 pounds of sunflower seeds?

Andrej [43]

If you would like to know how many 0.75 pound packages can be made with 6 pounds of sunflower seeds, you can calculate this using the following steps:

6 pounds of seeds / 0.75 pound packages = 8 packages

Result: You can make 8 0.75 pound packages.

4 0

4 years ago

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From the top of a cliff 426 feet high, the angle of depression of a ship is observed to be 18.2°. how far out is the ship? 140 f

lara [203]

If we are to connect both tips of the cliff to the approaching ship, we form a right triangle. The height of the cliff is the opposite side of the angle of depression. The trigonometric function that would allow us to solve for the distance is tangent.
tan 18.2° = opposite /adjacent = 426 ft/ x ft
The value of x from the equation is 1295.68 ft
Thus, the answer is the second choice.

6 0

3 years ago

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Consider an experiment to determine the effect of a single factor that can be set to a levels. At each factor setting n measurem

Stella [2.4K]

Answer:

(n-1)a

Step-by-step explanation:

In this question we have a single factor with number of levels equal to a.

Then the Number of observations that are within each factor setting is equal to n.

So the total number of observations = na.

We have the degrees of freedom for SS(Error) = n - k,

Now, n is the total number of observations,

While,

k is the number of levels of the single factor.

Therefore the degrees of freedom is = na - a

= (n - 1)a.

5 0

3 years ago