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zvonat [6]
3 years ago
14

Whats 2(4x + 90) X= 189

Mathematics
2 answers:
Sunny_sXe [5.5K]3 years ago
4 0

Answer:

1692

Step-by-step explanation:

 2 (4*189 + 90)

=2 (756+90)

= 2 ×846

=1692

IrinaK [193]3 years ago
3 0

Answer:

1,692

Step-by-step explanation:

2(4x+90)

2(4x189+90)

4x189=756

756+90=846

846x2=1,692

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Find the sale price to the nearest cent .. $40 sweater; 33%discount​
fiasKO [112]

Answer:

$26.80

Step-by-step explanation:

(I don't know exactly how other people were taught to do percentages, but this is how I was taught and I find it the easiest for me.)

You are going to subtract your percentage number by 100.

100 - 33 = 67

This will give you your multiplier so you can then get your answer but you have to turn it into a decimal.

0.67 x 40 = 26.80

8 0
3 years ago
A rectangular prism has a length of 5 centimeters, a width of 5 centimeters, and a height of 10 centimeters. The surface area of
Digiron [165]
That is true because if you use the surface area formula, 2(wl+hl+hw), you'll get 250.
4 0
3 years ago
8/x-5 - 9/x-4 = 5/x^2-9x+20
adelina 88 [10]
If you're using the app, try seeing this answer through your browser:  brainly.com/question/2752942

_______________


Solve the equation:

\mathsf{\dfrac{8}{x-5}-\dfrac{9}{x-4}=\dfrac{5}{x^2-9x+20}\qquad\qquad(x\ne 5~and~x\ne 4)}


Reduce the fractions at the left side so that they have the same denominator:

\mathsf{\dfrac{8(x-4)}{(x-5)(x-4)}-\dfrac{9(x-5)}{(x-4)(x-5)}=\dfrac{5}{x^2-9x+20}}\\\\\\
\mathsf{\dfrac{8x-32}{x^2-4x-5x+20}-\dfrac{9x-45}{x^2-4x-5x+20}=\dfrac{5}{x^2-9x+20}}\\\\\\
\mathsf{\dfrac{8x-32}{x^2-9x+20}-\dfrac{9x-45}{x^2-9x+20}=\dfrac{5}{x^2-9x+20}}\\\\\\
\mathsf{\dfrac{8x-32-(9x-45)}{x^2-9x+20}=\dfrac{5}{x^2-9x+20}}


Numerators must be equal:

\mathsf{8x-32-(9x-45)=5}\\\\
\mathsf{8x-32-9x+45=5}\\\\
\mathsf{8x-9x=5+32-45}\\\\
\mathsf{-x=-8}\\\\
\mathsf{x=8}\quad\longleftarrow\quad\textsf{this is the solution.}


I hope this helps. =)


Tags:  <em>rational equation fraction solution algebra</em>

7 0
2 years ago
Margie's car can go 32 miles on a gallon of gas, and gas currently costs $4$4 per gallon. How many miles can Margie drive on $20
Gnom [1K]
If she has 32 miles to the gallon, and 20 dollars, then 5*32 gives you your final answer, which is 160.
4 0
2 years ago
Read 2 more answers
I need help don't know no links
DaniilM [7]

Answer:

Slope = -1

Step-by-step explanation:

Hope it helps you.......

3 0
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