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Viefleur [7K]
3 years ago
7

Please help Karen took the kids. Oh noo

Mathematics
1 answer:
Kazeer [188]3 years ago
6 0

Answer:

option d

Step-by-step explanation:

You might be interested in
A rectangle has a length that is 5 inches greater than its width, and its area is 104 square inches. The equation (x + 5)x = 104
Art [367]

Answer:

The answer is 8.

Step-by-step explanation:

We need to use the quadratic formula, that is ax2+bx+c=0

Where

x=\frac{-b +/- \sqrt{b^{2}-4*a*c } }{2a}

For the given equation x2+5x-104=0 we have

a=1, b=5, c= -104

If you solve that, we will have x=-13. x=8, two answers,

The first one, by being negative does not have physical sense (there are no negatives quantities when you measure the length of something)

So we use the anwser x=8

7 0
3 years ago
Read 2 more answers
A starting lineup in basketball consists of two guards, two forwards, and a center. (a) a certain college team has on its roster
julsineya [31]

1 . Consider lineups without x. You have to select

  • 2 guards from 5 quards;
  • 2 forwards from 3 forwards;
  • 1 center from 4 centers.

It can be made in

C_5^2\cdot C_3^2\cdot C_4^1=10\cdot 3\cdot 4=120 different ways.

2. Consider lineups with x as guard. You have to select

  • 2 guards from 6 quards (one of them must be x);
  • 2 forwards from 3 forwards;
  • 1 center from 4 centers.

It can be made in

C_5^1\cdot C_3^2\cdot C_4^1=5\cdot 3\cdot 4=60 different ways.

3. Consider lineups with x as forward. You have to select

  • 2 guards from 5 quards;
  • 2 forwards from 4 forwards (one of them must be x);
  • 1 center from 4 centers.

It can be made in

C_5^2\cdot C_3^1\cdot C_4^1=10\cdot 3\cdot 4=120 different ways.

Therefore, the total number of different lineups is

120+60+120=300.


5 0
3 years ago
Read 2 more answers
A compact disc cover is 14 centimeters (cm) long, 12.4cm wide, and 1 cm deep. Which of the following represents the surface area
bogdanovich [222]

Answer:

SA= 2(l x w) |+2(l x h)+2(h x w)

= 2(14 x 12.4) +2(14 x 1)+2(1x 12.4)

=2(173.6)+2(14)+2(12.4)

=347.2|+28+24.8

Surface area is: 400 cm square

Step-by-step explanation:

4 0
3 years ago
Whats the answer please help
denis23 [38]

Answer:

The answer is 1,200 in. tall

Step-by-step explanation:

Because you just need to multiply length times width so the length would be 40 in. and width would be 30 in. so 40 x 30=    1,200 in.

5 0
3 years ago
David bought a game on sale for $6 less than half its original price.she paid $88 for the jacket. What was the original price
bulgar [2K]
We can't tell with the information given.  We don't know the connection
between the price David paid for the game, and the price his sister paid
for the jacket. 

This question is a lot like a radio station out in the country at night that's
not tuned in very well, or a billboard with part of the top layer peeled off.
7 0
3 years ago
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