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kipiarov [429]
2 years ago
9

Pls help I’ll brainlest ASAP ASAP

Mathematics
2 answers:
MariettaO [177]2 years ago
6 0

Answer:

d=3

Step-by-step explanation:

blondinia [14]2 years ago
4 0

Answer:

3

Step-by-step explanation:

9 times 3 is 27. 27 plus 8 is 35

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If b2 + 2b − 24 = 0, and b < 0, what is the value of b?
Effectus [21]

Answer: b = -6, 4

Step-by-step explanation:

Convert into factored form :

(b+6)(b-4)

Then make one of the terms 0.

3 0
3 years ago
Two figures are similar with a scale factor of 5/2.
aev [14]

Answer:

If we have two figures, F and F'

Such that if we start with F, and dilate it with a scale factor K, we get F'.

We will have:

All the measures of F', are K times the correspondent measures of F.

Then if F has  s₁, s₂, ..., sₙ sides, the sides of F' will be:

K*s₁, K*s₂, ..., K*sₙ

The ratio between correspondent sides will be equal to K

The ratio between perimeters will also be equal to K (because the perimeter is the sum of all the sides of each figure, so we can just take K as a common factor)

In the case of the area, because we usually multiply a measure by another, a factor K^2 will  appear, and the quotient between the areas is K^2

And finally, for the volumes, the ratio will be K^3

a) The ratio of corresponding lengths is K, in this case is 5/2

b) The ratio of the perimeters is K, in this case is 5/2

c) The ratio of the areas is K^2, in this case is (5/2)^2 = 25/4

d) The ratio of the areas is K^3, in this case is (5/2)^3 = 125/8

e) Two figures are similar if the figures have the same shape, then the corresponding angles are exactly the same, then the ratio of corresponding angle measures is 1.

6 0
2 years ago
Use multiplication to find three equivalent ratios<br> 11 : 9
dlinn [17]

11 : 9

×2 ×2

22 : 18

11 : 9

×3 ×3

33 : 27

11 : 9

×4 ×4

44 : 36

5 0
2 years ago
Simplify 9a+3+2a+10<br><br><br><br> thx
a_sh-v [17]
Hey there 

9a+3+2a+10
You have to collect like terms 

To simplify you have to add 9a and 2a. Then 3 and 10 
9a+2a= 11a 
10+3= 13 

The answer is 11a+13

hope this helps  <span />
7 0
2 years ago
Read 2 more answers
Find the midpoint of the segment with the given endpoints.
Ksju [112]

The mid-point for given endpoints is (4,3)

Step-by-step explanation:

a mid-point is the point on a line segment that divides it into two equal portions.

If (x1,y1) and (x2,y2) are the coordinates of vertices of a line segment, then mid-point is given by:

M = (\frac{x_1+x_2}{2}, \frac{y_1+y_2}{2})

given

(x1,y1) = (9,9)

(x2,y2) = (-1,-3)

M = (\frac{9-1}{2}, \frac{9-3}{2})\\\\=(\frac{8}{2}, \frac{6}{2})\\\\=(4,3)

The mid-point for given endpoints is (4,3)

Keywords: Coordinate Geometry, Mid-point

Learn more about coordinate geometry at:

  • brainly.com/question/4639731
  • brainly.com/question/4655616

#LearnwithBrainly

5 0
3 years ago
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