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astra-53 [7]
3 years ago
11

WILL GIVE BRAINIEST PLEASE ONLY ANSWER WITH AN ANSWER Solve these to the nearest hundredth i need it urgently for class. Those y

ou attach work will get brainiest over those who do not though you don't have to

Mathematics
2 answers:
sesenic [268]3 years ago
6 0
Here is an explanation:
Leni [432]3 years ago
3 0

Answer

1  a=17           2  25 2/9        3 -7          

              4                      5                   6                    

7                 8              9                 10

by simplifying both sides of the equation, then isolating the variable.

Exact Form:

     

Step-by-step explanation:

You might be interested in
X+4Y=-8<br> find the x intercept:<br> find the y intercept: <br> graph the line.
galben [10]

Answer:

x-intercept = (-8, 0)

y-intercept = (0, -2)

Step-by-step explanation:

Given linear equation is: x + 4y = - 8

For x - intercept: Plug y = 0 in the above equation.

\implies x +4(0) = -8\\\\\implies x +0 =-8\\\\ \implies x = -8\\\\ \boxed{\red{\bold{\implies x- intercept = (-8,\:0)}}}

For y - intercept: Plug x = 0 in the given linear equation.

\implies 0 +4y = -8\\\\\implies 4y=-8\\\\ \implies y = \frac{-8}{4}\\\\ \implies y = -2\\\\ \boxed{\purple{\bold{\implies y- intercept = (0,\:-2)}}}

7 0
3 years ago
A garden patio is covered with grey slabs and yellow slabs
N76 [4]

Answer:

There are 44 yellow slabs.

Step-by-step explanation:

Multiply 1/5 x 55. This gives you 11. 55 - 11 = 44.

8 0
3 years ago
What is the inverse function of -5 (x-4) ^2+80
avanturin [10]
F(x)=-5(x-4)^2+80 
f(x)=-5(x²-8x+16)+80 
f(x)=-5x²+40x-80+80 
f(x)=-5x²+40x 

Replace f(x) to y, now switch the location of the variables x and y. Solve for new y. 

y=-5x²+40x 
x=-5y²+40y 
0=-5y²+40y-x 

Use quadratic formula to find the value of y. 

y=-40+-√(40^2 -4(-5)(-x)/2(-5)
f^-1(x)= (-40+-√1600-20x)/-10 <--- Not too sure about this one :/

Hope I helped :) 
8 0
3 years ago
Identify as a direct variation, inverse variation or neither.
icang [17]

Answer:

inverse

Step-by-step explanation:

if you add the number of men, the number of days decrease, making it an inverse variation; as one number increases, the other decreases.

4 0
3 years ago
What is the volume, in cubic cm, of a rectangular prism with a height of 10cm, a width of 20cm, and a length of 11cm??
Alex787 [66]

here's the solution,

=》volume = l × b × h

where,

  • l = lenght
  • b = width
  • h = height

so,

=》

v = 11 \times 20 \times 10

=》

2200

so, volume = 2200 cm³

7 0
3 years ago
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