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3 years ago

Write an expression for 8 less than 2 times a numbershow your work

Mathematics

1 answer:

Andru [333]3 years ago

5 0

Answer:

Step-by-step explanation:

Let's call the number x. The statement "...2 times a number" if the number is x looks like this:

"8 less than" that looks like this:

... - 8

Putting the whole thing together:

2x - 8

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If triangle XYZ’s points are X (-2, 1), Y (-4,-3), and Z (0,-2) what are the new coordinates of X’, Y’, and Z’ if the triangle i

8090 [49]

Answer:

The coordinates of image are X'(-3,4), Y'(-5,0) and Z'(-1,1).

Step-by-step explanation:

The vertices of triangle XYZ are X(-2,1), Y(-4,-3) and Z(0,-2).

It is given that the triangle translated by rule

$(x,y)\rightarrow (x-1,y+3)$

The coordinates of image of XYZ are

$X(-2,1)\rightarrow X'(-2-1,1+3)$

$X(-2,1)\rightarrow X'(-3,4)$

$Y(-4,-3)\rightarrow Y'(-4-1,-3+3)$

$Y(-4,-3)\rightarrow Y'(-5,0)$

$Z(0,-2)\rightarrow Z'(0-1,-2+3)$

$Z(0,-2)\rightarrow Z'(-1,1)$

Therefore coordinates of image are X'(-3,4), Y'(-5,0) and Z'(-1,1).

5 0

3 years ago

What is an equation of the line that passes through the points (3,-8) and (1, -2)? Put your answer in fully reduced form.

Kazeer [188]

Answer:

Step-by-step explanation:

Find what relationship x and y have. In this case, y is x multiplied by -3, plus 1.

(3,-8) The number 3 is x and -8 is y. Use the rule above to see if it's correct. Like so: -8 = 3 ( - 3) + 1

-8 = -9 + 1

-8 = -8

The rule/equation is correct.

:))

3 0

3 years ago

You want to start a garden. The roses cost $16 per 3 packets of seeds. How much money do you need if you want to by 8 packets of

HACTEHA [7]

We know that $16 is per 3 so 3 x 3 = 9 but that is to high but it = $48 per 9 packets and scince 16 divided by 3 = 5.3 we need to take off 5.3 from 48 which makes $42.70

6 0

4 years ago

The function below is written in vertex form or intercept form. Rewrite them in standard form and show your work.

Leni [432]

Answer:

The standard form is: y = -3x² +18x -24.

Step-by-step explanation:

Given is y = -3(x-2)(x-4)

Using FOIL method to expand the parentheses:-

y = -3(x-2)(x-4)

y = -3(x² -2x -4x +8)

Combining like terms:-

y = -3(x² -6x +8)

Distributing -3 to the terms inside parentheses:-

y = -3x² +18x -24.

Hence, standard form is: y = -3x² +18x -24.

7 0

3 years ago

Read 2 more answers

Translate the expression with rational exponents into a radical expression. Simplify if necessary.

liberstina [14]

Answer:

-686

Step-by-step explanation:

2 x -343 = -686

6 0

3 years ago

Write an expression for 8 less than 2 times a numbershow your work ​

Write an expression for 8 less than 2 times a numbershow your work