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2 years ago

What is the answer for. 2&1/2-1&1/2

Mathematics

2 answers:

taurus [48]2 years ago

4 0

The answer is 1 for this question

kirza4 [7]2 years ago

3 0

2 and 1/2 - 1 and 1/2
since both equations have 1/2, 1/2 - 1/2 automatically is 0
then youll need to subtract 1 from 2 which is 1
Answer- 1

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Work out an expression, in terms of x, for the perimeter of the shape.<br> Simplify your answer.

sammy [17]

Answer:1+3x+9+x+8+2x= 6x+9

so =3(x+3)

Step-by-step explanation:

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3 years ago

For each order pair (x,y) , determine whether it is a solution to the inequality 4x-6y_< - 18

anyanavicka [17]

Solution:

Given:

$4x-6y\leq-18$

To determine if an ordered pair is a solution, we substitute the x and y-values into the inequality and check if it is true.

Thus,

$\begin{gathered} For\text{ the point }(-9,-2) \\ x=-9,y=-2 \\ 4x-6y\leq-18 \\ 4(-9)-6(-2)=-36+12=-24 \\ Since\text{ }-24$

$\begin{gathered} For\text{ the point }(0,3) \\ x=0,y=3 \\ 4x-6y\leq-18 \\ 4(0)-6(3)=0-18=-18 \\ Since\text{ }-18=-18,\text{ then }(0,3)\text{ is a solution} \end{gathered}$

$\begin{gathered} For\text{ the point }(5,-3) \\ x=5,y=-3 \\ 4x-6y\leq-18 \\ 4(5)-6(-3)=20+18=38 \\ Since\text{ }38>-18,\text{ then }(5,-3)\text{ is not a solution} \end{gathered}$

$\begin{gathered} For\text{ the point }(8,5) \\ x=8,y=5 \\ 4x-6y\leq-18 \\ 4(8)-6(5)=32-30=2 \\ Since\text{ }2>-18,\text{ then }(8,5)\text{ is not a solution} \end{gathered}$

Therefore, the correct answers are selected as shown below;

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1 year ago

Rewrite the radical expression as an expression with rational exponents.

natita [175]

Answer:

x^(7/5)

Step-by-step explanation:

Root goes on bottom of fraction

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x^(7/5)

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2 years ago

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A box can be filled completely using 9 layers of 11 units cubes. What is the volume of the box?

mote1985 [20]

The volume of the box is 99 unit cubes.

<h3>What is the volume of the box?
</h3>

A cube is a three-dimensional object that has six faces, twelve edges and eight vertices. The length, width and height of a cube usually has equal dimensions. The volume of the box is a function of the dimension of the cubes in it and the number of layers.

Volume of a box = number of layers x amount of units

9 x 11 - 99 unit cubes

To learn more about the volume of a cuboid, please check: brainly.com/question/26406747

#SPJ1

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2 years ago

what is the slope of a line that is perpendicular to the line that contains points (5,4) and (-7,9). explain please

Luba_88 [7]

Answer:

$\frac{12}{5}$

Step-by-step explanation:

First find the slope of the line containing points (5,4) and (-7,9). To find the slope use the formula $\frac{y_{2} -y_{1}}{x_{2}-x_{1}}$ . Putting those values in, you have

$\frac{9-4}{-7-5}$

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Then, to find the slope of the line perpendicular to that, find the negative reciprocal.

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3 years ago