1 year ago

Simplify the following expressions and then find the numerical values for x = -2.

Mathematics

1 answer:

galina1969 [7]1 year ago

5 0

Step-by-step explanation:

for the given value x = -2

= 3(2x-4) + x^2 +5

= 3(-4 -4) +4+5

= -24+9

= -15

You might be interested in

Tyra has 38 counters. She now puts the 38 counters into some bags so that Each bag has an equal number. There are no counters le

Serhud [2]

I mean, you can divide the counters by the range 2 - 38.

I only managed to find out that 38 ÷ 2 = 19.

And 38 ÷ 19 = 2.

It says that there are more than 10 counters in each bag.

So 2 bags is the most liable option.

There are 2 bags and 19 counters in each bag.

7 0

2 years ago

Read 2 more answers

Gabe is buying a pair of jeans at a local store that are priced $45. He knows that the country he lives in has an 8% tax added o

Sonbull [250]

Answer:

Yes it will

Step-by-step explanation:

The equation would be 50>45+(45*.08)

Once solving it, you will get 50 >48.6

8 0

2 years ago

The area of a square region is 196yd ^2. what is the length of one side of the region?

Bas_tet [7]

It will probably be 196yd because the formulae to calculate the area of a square is any side^2 as a square has all equal sides and area = length times breath. Hope this is helpful.

6 0

2 years ago

If the center of a circle is (1,1) and it has a radius of 5, which is another point on the circle

Nadusha1986 [10]

Check the picture below.

6 0

2 years ago

Read 2 more answers

Kalon and his friend Marna own a chimney sweep service company. Working together, they can clean a chimney in 1 5/7 hours. If it

frez [133]

In 1 hour Kalon by himself can clean 1/4 of a chimney.
In one hour Kalon and Marna together can clean
$\frac{1}{\frac{12}{7}}=\frac{7}{12}\ of\ a\ chimney$
Therefore in 1 hour Marna working alone can clean
$\frac{7}{12}-\frac{1}{4}=\frac{1}{3}\ of\ a\ chimney$
So, it takes Marna 3 hours to clean a chimney, working by herself.

3 0

2 years ago