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Sergeu [11.5K]
3 years ago
14

Solve the equation to find 0.28x + 4x = -8.56

Mathematics
1 answer:
Anarel [89]3 years ago
5 0

Answer:

x = -2

Step-by-step explanation:

0.28x + 4x = -8.56

Collet like terms

4.28x = -8.56

Divide both side

x = -2

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Could 10.5 cm, 8.0 cm, and 4.0 cm be the lengths of a triangle
Aleksandr-060686 [28]

Answer

yes

Step-by-step explanation:

5 0
3 years ago
5r^2-3rs<br> r=4<br> s=5 <br> help
Sonbull [250]
5*4^2-3*4*5=80-60=20

Hope that helps you
4 0
3 years ago
Can someone please help me with this question? I don't know how? What is the volume of a rectangular prism with a length of 2x –
lesantik [10]
Volume is legnth times widht times height
lenght=2x-1
width=x-2
height=x+1
multiply all together
use mass distributive property
distributive=a(b+c)=ab+ac so extending that
(a+c)(c+c)=(a+b)(c)+(a+b)(d) then keep distributing so
(2x-1)(x-2)(x+1)
do each one seperately
do the first two first and put the other one (x+1) to the side for later
(2x-1)(x-2)=(2x-1)(x)+(2x-1)(-2)=(2x^2-x)+(-4x+2)=2x^2-5x+2
then do the other one
(x+1)(2x^2-5x+2)=(x)(2x^2-5x+2)+(1)(2x^2-5x+2)=(2x^3-5x^2+2x)+(2x^2-5x+2)=2x^3-3x^2-3x+2

the lasst form is 2x^3-3x^2-3x+2





3 0
3 years ago
What is the volume of a rectangle with a height of 7 units a width of 5 units and a length of 8 units
skad [1K]

Answer:

None of the above.

Step-by-step explanation:

7 × 5 × 8 = 280 cubic units


I hope I helped you.

4 0
3 years ago
Describe how the value of the independent variable is related to the value of the dependent variable. Is the relationship additi
n200080 [17]
The dependent value is determine by the value of the independent value. in other words, the dependent value is what you get when you take the independent value and substitute it in the original equation or situation. The relationship is multiplicative because you must first multiply the independent value in the equation where the x is before you can add or subtract to get your answer.<span />
4 0
3 years ago
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