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3 years ago

What is the following sum?

Mathematics

2 answers:

Delicious77 [7]3 years ago

4 0

Answer:

Step-by-step explanation:

Given the indicinal equation as shown;

$\sqrt[3]{125}x^{10} y^{13} +\sqrt[3]{27}x^{10} y^{13}$

To find the sum, we need to find the cube roots of the given number first as shown:

$5x^{10} y^{13} +3x^{10} y^{13} \\$

The we add their coefficient together since they have the same incidinal function attached to them i.e $x^{10} y^{13}$

The sum will give $8x^{10} y^{13}$ .

luda_lava [24]3 years ago

4 0

Answer:

Its A on edge

Step-by-step explanation:

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Step-by-step explanation:

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3 years ago

In Exercises 1–4, let S be the collection of vectors cxyd in R2that satisfy the given property. In each case, either prove thatS

Artyom0805 [142]

Answer:

S is not the subspace of $R^2$

Step-by-step explanation:

Let us suppose two vectors u and v belong to the S such that the property of xy≥0 is verified than

$u=\left[\begin{array}{c}-1 \\0\end{array}\right]$

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Both the vectors satisfy the given condition as follows and belong to the S

$x_u y_u=-1\times 0=0 \geq 0\\x_v y_v=1\times 0=0 \geq 0\\$

Now S will be termed as subspace of R2 if

u+v also satisfy the condition
ku also satisfy the condition

Taking u+v

$u+v=\left[\begin{array}{c}-1 \\0\end{array}\right]+\left[\begin{array}{c}0 \\1\end{array}\right]\\u+v=\left[\begin{array}{c}-1+0 \\0+1\end{array}\right]\\u+v=\left[\begin{array}{c}-1 \\1\end{array}\right]$

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$\\x_{u+v} y_{u+v}=-1\times 1=-1$

This indicates that the condition is not satisfied so S is not the subspace of $R^2$

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3 years ago

12. A fruit basket contains oranges and grapefruits. One-third of the orange

frosja888 [35]

Answer:

There were 12 + 28 = 40 pieces of fruit in the basket.

Step-by-step explanation:

Suppose there were x oranges and y grapefruit.

Then we have

1 /3 x = 4

x = 4*3 = 12.

1/4 y = 7

y = 7*4 = 28.

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4 years ago