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Jlenok [28]
2 years ago
8

PLS HELP WILL MARK YOU BRAINLIEST! NO FAKE ANSWERS! Are the images convex or concave polygons?

Mathematics
1 answer:
svp [43]2 years ago
5 0

Answer:

concave polygones

Step-by-step explanation:

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Suppose that r varies directly with s and inversely with t, and r = 2 when s = 3 and t = 12. What is the value of r when s = 5 a
Dmitry_Shevchenko [17]
The statement suppose <span>that r varies directly with s and inversely with t is best represented as:

r </span>α s/t

To make it into equality, we insert a proportionality constant, k:

r = ks/t

Using the initial conditions, we solve for k.

r = ks/t
<span>r = 2 when s = 3 and t = 12

2 = k(3)/12
k = 8

Thus, when </span><span>s = 5 and t = 4,
</span>
r = 8(5)/4
r = 10 -----> OPTION C
6 0
3 years ago
Which graph correctly solves the system of equations below? y = −x2 + x + 7 y = x2 + 3x + 7
antiseptic1488 [7]

Answer:

(-1.703, 2.396)

(1.37, 6.493)

Step-by-step explanation:

We can easily solve this question by using a plotting tool or any graphing calculator,

The solution to the system of equation is given by the intersection points between the graphs of

y1 = −x^2 + x + 7

y2 = x^2 + 3x + 7

Please, see attached picture below.

The solutions are:

(-1.703, 2.396)

(1.37, 6.493)

5 0
3 years ago
Helppppppppp please
mariarad [96]

Well here's the equation 4x3 x2=24 for both of the sides and the top 10x2 because if 4 is the bottom and the sides are 6 6-4=2 so 10x2=20 and we add the areas and

<u><em>20</em></u>

<u><em>+</em></u>

<u><em>24</em></u>

_____

44 is the combined areas (Your answer 44)

HOPE THIS HELPS :D

4 0
3 years ago
Read 2 more answers
Which of the expressions are NOT polynomials? Check all that apply.
Tomtit [17]
<span>the expressions that are NOT polynomials
</span><span>A. x^2-(square root of x)-3
</span><span>C. 5x^1/2 + 4x^2
</span><span>E. x^2-x-12/x+3
(method: check polynomials lesson)</span>
3 0
3 years ago
Read 2 more answers
What is 102.3 divided by 4.7 <br> estimated answer
andriy [413]

round 102.3 to 100

4.7 to 5

100/5=20

20 is the answer

6 0
3 years ago
Read 2 more answers
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