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3 years ago

Write a verbal phrase for the following algebraic expression 12y

Mathematics

1 answer:

aleksandrvk [35]3 years ago

6 0

The product of a number y and 12 or 12 times a number y. These are both equivalent expressions to 12y

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In an algebraic expression, what separates the terms

BartSMP [9]

The math symbols like +,-,/,x, or =.

7 0

4 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

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

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

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

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

Now the condition is tested as

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

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

3 0

3 years ago

Solve the inequality.<br> 2n > 30

RoseWind [281]

Answer:

Your answer tho this question is N > 15

Work :

2n>30

<em>Divide both sides by 2.</em>

<em />

2n/2 > 30/2

n>15

Hope this helps

8 0

3 years ago

Solve the inequality: -7x + 4 ≤ 32

Margarita [4]

X>=-4 so x is greater than or equal to -4

7 0

4 years ago

Read 2 more answers

Jim's speedboat can travel 24 miles upstream against a 4 mph current. In the same amount of time it travels 26 miles

8_murik_8 [283]

Answer:

speed of the boat = 100 mph

Step-by-step explanation:

Let x = speed of the boat

upstream speed = x - 4

downstream speed = x + 4

time = 24/(x - 4) = 26/(x + 4)

Cross multiply:

24(x + 4) = 26(x - 4)

24x + 96 = 26x - 104

104 + 96 = 26x - 24x

200 = 2x

x = 100 mph

8 0

2 years ago