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kirill [66]
3 years ago
14

The length of a rectangle is 3 m longer than its width.

Mathematics
2 answers:
vova2212 [387]3 years ago
7 0

Answer:

The width is 51.333

Step-by-step explanation:

l * w = area of rectangle

3 * w = 154

w= 154/3

w=51.333

AlladinOne [14]3 years ago
4 0

Answer:

11

Step-by-step explanation:

It right

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Help me please... Anyone out there... I need help.....
dsp73

I think its C..either C or D delete all the others from the thing.

8 0
3 years ago
Christian and Benjamin go to the movie theater and purchase refreshments for their friends.
maria [59]

Answer:

System of equations:

6d + 3p = 42.75

10d + 15p = 98.75

Drink = $5.75

Popcorn = $2.75

Step-by-step explanation:

6d + 3p = 42.75

subtract 6d from both sides

3p = 42.75 - 6d

divide both sides by 3

p = 14.25 - 2d

substitute P in the second equation with the answer and solve for D

10d + 15( 14.25 - 2d) = 98.75

distribute out the 15

10d + 213.75 -30d = 98.75

-20d + 213.75 = 98.75

subtract 213.75 from both sides

-20d = -115

divide both sides by -20

d = 5.75

substitute D back in the first equation and solve for P

3p + 6(5.75) = 42.75

multiply the 6 and 5.75

3p + 34.5 = 42.75

subtract 34.5 from both sides

3p = 8.25

divide both sides by 3

p = 2.75

8 0
3 years ago
If f(x) = x2 + 1 and g(x) = x - 4, which value is equivalent to (f•g)(10)?
kogti [31]

First you plug 10 into g(x)

(10-4)

6

Next you plug in 6 into f(x)

6^2+1

36+1

=37

7 0
3 years ago
Read 2 more answers
Consider the quadratic equation x squared = 4x - 5. how many solutions does the equation have?
snow_lady [41]

Answer:

The quadratic equation has two complex solutions

Step-by-step explanation:

we know that

The formula to solve a quadratic equation of the form ax^{2} +bx+c=0 is equal to

x=\frac{-b(+/-)\sqrt{b^{2}-4ac}} {2a}

in this problem we have

x^{2}=4x-5  

Equate to cero

x^{2}-4x+5=0  

so

a=1\\b=-4\\c=5

substitute in the formula

x=\frac{4(+/-)\sqrt{-4^{2}-4(1)(5)}} {2(1)}

x=\frac{4(+/-)\sqrt{16-20}} {2}

x=\frac{4(+/-)\sqrt{-4}} {2}

Remember that

i^{2}=-1

so

x=\frac{4(+/-)2i} {2}

x=2(+/-)i

therefore

The quadratic equation has two complex solutions

5 0
3 years ago
solve system by substitution method 3x+2y-z=23, y=8, -2y+4z=16 showing step by step this is algebra 2
Crazy boy [7]
X=5
Y=8
Z=8

3x+2y-z=23 --> z=-23+2y+3x
Y=8
Substitute for -2y+4z=16

-2(8)+4(-23+2(8)+3x)=16
-16-28+12x=16
-44+12x=16
12x=60
X=5

Substitute known y and x values into z=-23+2y+3x

Z=-23+2(8)+3(5)
Z=-23+16+15
Z=8
4 0
3 years ago
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