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givi [52]
3 years ago
11

If root x+9=root 784, the value of x​

Mathematics
1 answer:
vfiekz [6]3 years ago
8 0

Answer:

on squaring complete term

x + 81 = 784

x = 784 - 81

x = 703

Step-by-step explanation:

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Solve the equation: x^2+3x-7=0 give your answer to 2 decimal places
dusya [7]

Answer:

too hard for my little brain so bye

5 0
3 years ago
It’s linear so you map out the first differences and then put it into y=Mx+b form. For the you gotta find the y intercept
Alika [10]

▪▪▪▪▪▪▪▪▪▪▪▪▪  {\huge\mathfrak{Answer}}▪▪▪▪▪▪▪▪▪▪▪▪▪▪

Let's find the slope (m) :

  • \dfrac{y2 - y1}{x2 - x1}

  • \dfrac{16 - 11}{9 - 6}

  • \dfrac{5}{3}

slope of given line is 5/3

now, let's plug the value of coordinates of a point lying on the line ( for example : (6 , 11) and slope (m) to find the y - intercept (c) :

  • y = mx + c

  • 11 =   \bigg(\dfrac{5}{ 3}  \times 6 \bigg)  + c

  • 11 = (5 \times 2) + c

  • 11 = 10 + c

  • c = 11 - 10

  • c = 1

value of y - intercept (c) = 1, so our equation will be :

  • y = mx + c

  • y =  \dfrac{5}{3}x  + 1
6 0
2 years ago
How can you find the area of a two-dimensional composite figure, or the surface area of a three-dimensional composite figure?
goldenfox [79]

Step-by-step explanation:

<u>a. the area of a two-dimensional composite figure</u>

In this situation, we need to draw any necessary segments to view the figure as basic shapes, then:

  • Step 1: add basic shape areas belonging to the composite shape
  • Step 2: subtract basic shape areas NOT belonging to the composite shape

<u>b. the surface area of a three-dimensional composite figure</u>

As we know (3D) composite objects are made of two or more objects put together. To find the surface area of a 3D composite object, we need:

  • Step 1:  find the outside surface area of each object
  • Step 2: add the surface areas together

Hope it will find you well

8 0
3 years ago
WILL GIVE BRAINLIEST
AnnZ [28]

Answer:

I think it's -11/6

Step-by-step explanation:

just guessingggg

3 0
3 years ago
3a+5b-9: a=2, b=3 that is my question I need help
Zigmanuir [339]

Answer:

12

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
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