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3 years ago

How is a table helpful when constructing equations

1 answer:

4 0

Alo friend!

Different components in a table are to be identified as described in the verbal description. It important that the student correctly interprets which parts of the figure are known and which should be labeled with an unknown. <span>In this step, using an animation (or a table) as part of an example can aid in distinguishing between these two aspects of the problem.

Hope this helps! (Don't forget Brainliest!)</span>

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(2-5)^2-(4×5^2)<br>what's the answer?show work

Bond [772]

Answer: -91

Step-by-step explanation:

(2-5)^2-(4*5^2)

Follow the order of operations.

2-5=-3 Which uses the property of parentheses

(-3)^2-(4*5^2)

(-3)^2=9 which uses the property of exponents

5^2=25 which uses the property of exponents

9-(4*25)

4*25=100 which uses the property of multiplication

=9-100 which uses the property of subtraction

=-91

4 0

2 years ago

Leo, Kush and Mai share some money in the ratio 3:5:8

Marta_Voda [28]

Answer:

The total amount of money that they shared is $\£6,000$

Step-by-step explanation:

Let

x-----> amount of money Leo shares

y-----> amount of money Kush shares

z-----> amount of money Mai shares

we know that

$\frac{x}{y} =\frac{3}{5}$

$x=\frac{3}{5}y$ -----> equation A

$\frac{y}{z} =\frac{5}{8}$

$z=\frac{8}{5}y$ -----> equation B

$\frac{x}{z} =\frac{3}{8}$

$z=\frac{8}{3}x$ -----> equation C

$y=x+750$ ------> equation D

substitute equation A in equation D and solve for y

$y=\frac{3}{5}y+750$

$y-\frac{3}{5}y=750$

$\frac{2}{5}y=750$

$y=750*5/2=\£1,875$

Find the value of x (equation A)

$x=\frac{3}{5}(1,875)=\£1,125$

Find the value of z (equation C)

$z=\frac{8}{3}(1,125)=\£3,000$

therefore

The total amount of money is equal to

$x+y+z=\£1,125+\£1,875+\£3,000=\£6,000$

5 0

3 years ago

I don’t know how to do this can someone help me please i put 30 points...

kolbaska11 [484]

Answer:

Step-by-step explanation:

3x+2-3x+7+5x

3x-3x+5x+2+7

5x+9

Coefficient is the 5 of the 5x.

4 0

3 years ago

The slope of the line below is -2. Use the coordinates of the labeled point to

Vilka [71]

Answer:

We can express the equation for any linear equation with slope -2 and point (x0,y0) as:

$y=-2x+(y_0+2x_0)\\\\y-y_0=-2(x-x_0)$

Step-by-step explanation:

Incomplete question:

There is no point to complete the equation.

As we have no point to complete the linear equation, we will solve for any given point (x0,y0) and a slope of m=-2.

The linear equation can be written generically as:

$y(x)=mx+b\\\\y(x)=-2x+b$

If a point, like (x0,y0) belongs to the linear equation, it satisfies its equation. Then:

$y_0=-2x_0+b$

Then, we can calculate b as:

$y_0=-2x_0+b\\\\b=y_0+2x_0$

We can express the equation for any linear equation with slope -2 and point (x0,y0) as:

$y=-2x+(y_0+2x_0)\\\\y-y_0=-2(x-x_0)$

6 0

3 years ago

The sum of two consecutive even integers is 122. what are the integers?

Volgvan

Answer:

If the numbers were the same, they'd both be 61

So, try 60 and 62.

x + x+2 = 122

2x = 120

x = 60

Hope that helps!

4 0

3 years ago

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