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aliya0001 [1]
3 years ago
12

Solve the simultaneous equations:

mula1" title="y = x^{2} +9x + 4 " alt="y = x^{2} +9x + 4 " align="absmiddle" class="latex-formula"> and y =  2x - 8

Mathematics
1 answer:
oksano4ka [1.4K]3 years ago
4 0
I hope this helps you

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Please help!:) Using the function g( x) = -4 x – 17, calculate g(-2)
Virty [35]

Step-by-step explanation:

you'll substitute x for -2

g(-2) = -4 *(-2) - 17 = 8 - 17 = -9

hope i helped :)

4 0
3 years ago
Serena is cycling from dance class to her home. The equation shows Serena's distance (y), in miles, from her home after x minute
alukav5142 [94]

I'm not sure what the whole question is, it looks like you're missing a couple of things.

What variable are you trying to solve?

if it's x, the answer is

6x + y = 16

6x = 16 - y

x = 8/3 - y/6

7 0
4 years ago
Read 2 more answers
Plz help I need this in soon and I don't know the answer
kolbaska11 [484]

Answer:

.13

Step-by-step explanation:

We need to find the areas of the regions

Area of the shaded region

A =pi r^2

  pi (5)^2

 25pi

The area of the total region

A = pi r^2

A = pi 14^2

  = 196 pi

P(shaded) = shaded/ total

                 = 25 pi/196 pi

                     25/196

                   .12755102

To the nearest hundredth

                   .13

6 0
3 years ago
Read 2 more answers
I need help for 7 problems
oksano4ka [1.4K]

Answer:

180 {m}^{2}

Step-by-step explanation:

The area of a trapezoid is given by:

Area =  \frac{1}{2} (sum \: of \: bases) \times h

From the diagram, the bases are 17m 23m, and the the height is 12m.

We substitute the values into the formula to get:

Area =  \frac{1}{2} (17 + 13) \times 12

Area =  \frac{1}{2}  \times 30 \times 12

Area = 6 \times 30

This implies that

Area =  180 {m}^{2}

4 0
3 years ago
If f(x) =7 +4x and g(x) =1/2 what is the value of (f/g)
saw5 [17]

Answer:

10.8

Step-by-step explanation:

To find (f/g)(5), find f(5) and (g5) then divide the values.

f(5) = 7 + 4(5) = 27

g(5) = 1/2 (5) = 2.5

27/2.5 = 10.8

6 0
4 years ago
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