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padilas [110]
3 years ago
13

Can someone help I don’t know

Mathematics
2 answers:
Rasek [7]3 years ago
8 0

Answer:

yes i will help you

Step-by-step explanation:what are you struggling with

mihalych1998 [28]3 years ago
3 0

Answer:

A

Step-by-step explanation:

Given similar figures with ratio of sides = a : b , then

ratio of areas = a² : b²

ratio of sides = 15 ; 18 = 5 ; 6

The ratio of perimeters is equal to the ratio of sides, so

ratio of perimeters = 5 : 6

ratio of areas = 5² : 6² = 25 : 36

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Solve the following system of equations algebraic<br> y=x^2+3x-29<br> y=2x-9
Lady bird [3.3K]

Step-by-step explanation:

Given equations:

       y  = x² + 3x - 29    ------ (i)

       y  = 2x - 9  ---------------- (ii)

Now to solve this problem, we must determine the value of x and y;

 Equate equations 1 and 2;

       x² + 3x - 29 = 2x - 9

       x² + 3x - 2x - 29 + 9  = 0

       x² + x - 20  = 0

       x² + 5x - 4x - 20  = 0

       x(x + 5 ) - 4(x + 5) = 0

      (x - 4) (x+ 5) = 0

       x  - 4  = 0 or x + 5  = 0

      x  = 4 or x = -5;

So;   solve for y now;

     y = 2x - 9

     input x  = 4 or x = -5;

    y  = 2(4) - 9 or y = 2(-5) - 9

    y = -1 or y = -19

7 0
3 years ago
36 + 120 : 12-63<br> What's this answer?
NeTakaya

Answer:

Step-by-step explanation:

36 + 120: 12-63

156 :  51

GCF of both sides are three. Divide both sides by three.

52:17

5 0
3 years ago
Giving brainliest!!!!!!! Please be correct if you don’t know the answer don’t andwer
mars1129 [50]

Answer:

C

Step-by-step explanation:hope this helps have a great day =D

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3 years ago
Find the area of the figure. Assume all figures are made up of parallelograms and triangles.
rewona [7]
<span>b. 60 m2

</span>Find the area of the figure. Assume all figures are made up of parallelograms and triangles.

NOT:
b. 60 m2
c. 108 m2
<span>d. 135 m2 please help</span>
<span>

</span>
8 0
3 years ago
What’s the inverse of y=100-x^2
erastova [34]
y=100-x^2\ \ \ |+x^2\\\\y+x^2=100\ \ \ |-y\\\\x^2=100-y\\\\x=\sqrt{100-y}\\\\\text{Answer:}\ y^{-1}=\sqrt{100-x}
7 0
3 years ago
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