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OverLord2011 [107]

4 years ago

6

2x-2<-12 or 2x+3>7 =

1 answer:

Naddik [55]4 years ago

6 0

2x - 2 < -12
2x < -12 + 2 add 2 to each side
2x < -10 perform the addition on the right side
x < -10 / 2 divide each side by 2
x < -5 perform the division on the right side

2x + 3 > 7
2x > 7 - 3 subtract 3 from each side
2x > 4 perform the subtraction on the right side
x > 4 / 2 divide each side by 2
x > 2 perform the division on the right side

These are just like equations, except the you have to change the direction of the sign when you multiply or divide by a negative number

(C) x < -5 or x > 2

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Calculate the value of 3x + 4y when x = -6 and y = 5.

MArishka [77]

Answer:

x = -6

-18+4y=0 => 4y=18 =>y=18/4=9/2

Y=5

3x+20=0 => x=3x= -20=> x= -20/3

Step-by-step explanation:

5 0

3 years ago

Read 2 more answers

What is 36% of 745? Show work

kogti [31]

745/x=100/36
<span>(745/x)*x=(100/36)*x
</span><span>745=2.7777777777778*x
</span>(2.7777777777778) to get x
<span>745/2.7777777777778=x </span>
<span>268.2=x </span>
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answer <span>36% of 745=268.2</span>

8 0

3 years ago

Kevin won two goldfish at the county fair. He put them in a bowl with 2 liters of water. The next day, he bought a fish tank tha

allochka39001 [22]

Answer:

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Step-by-step explanation:

7 0

4 years ago

How to do this question plz answer me step by step plzz plz

Iteru [2.4K]

Answer:

£13496.80

Step-by-step explanation:

We can ignore the £ sign for now, that is just units.

If we decrease a number by 4.5%, we will have to find $100-4.5=95.5$ % of 14132.77.

We can easily do this by setting up a proportion.

$\frac{x}{14132.77} = \frac{95.5}{100}$

Multiply 14132.77 by 95.5:

$14132.77\cdot95.5=1349679.535$

Divide by 100:

$1349679.535\div100=13496.79535$

Rounding this to two decimal places, it simplifies to 13496.80.

Hope this helped!

4 0

3 years ago

A glass top of an office table has sides of 21 inches. What is its area?

11Alexandr11 [23.1K]

Answer:

441 $inches^{2}$

Step-by-step explanation:

If this is a rectangle, meaning the width and the legnth is different, there is no way in solving this.

However, if it is a square, meaning all the sides are the same,

we can know that every side is 21 inches long.

An area is the width times the length, which is both 21 in this case.

21 times 21 = 441.

441 inches squared.

3 0

3 years ago