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torisob [31]
3 years ago
9

Please help me :) i need answers to A and B

Mathematics
1 answer:
Oksi-84 [34.3K]3 years ago
6 0

Answer:

a - 162

b - 234

Step-by-step explanation:

mental mathed it

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Find AB<br><br>please help :-)​
drek231 [11]

Answer:

Therefore,

l(AB) = 15 units

Step-by-step explanation:

Given:

AD = DC

angle DBA = angle DBC = 90°

AB = 5x

CB = 4x - 3

To Find:

AB = ?

Solution:

In  Δ ABD and Δ CBD

AD ≅ DC     ……….{Given}

∠ DBA ≅ ∠ DBC      …………..{measure of each angle is 90° given}

DB ≅ DB                  ....……….{ Reflexive property}

Δ ABD ≅ Δ CBD      ..........….{By Hypotenuse Leg Theorem}

∴ AB ≅ CB               ..............{corresponding sides of congruent triangles}

on substituting the values we get

5x=4x+3\\\\5x-4x=3\\\\\therefore x =3

Now we require AB

AB=5x\\\\AB=5\times 3\\\\AB=15\ units

Therefore,

l(AB) = 15 units

3 0
3 years ago
Mmmmmmmmmmmmmmoby max
kramer
The answer should be 53/30 or 1 23/30
3 0
3 years ago
Read 2 more answers
What is the value of b?<br><br> - 7.5 ( x - 3 ) = 3.75
Dominik [7]

Answer: 22.5

Step-by-step explanation: The y-intercept or b would be 22.5 because In point slope form 3.75 is the y, -7.5x is the mx and since -7.5x-3=22.5, 22.5 is the b.

4 0
4 years ago
Read 2 more answers
What’s the ara of each figure?
Grace [21]

Answer:

433 in.²

Step-by-step explanation:

Divide the figure into 2 rectangles

Area of the figure = area of the bigger rectangle + area of smaller rectangle

✔️Area of bigger rectangle = L*W

L = 29 in.

W = 13 in.

Area of the bigger rectangle = 29*13

= 377 in.²

✔️Area of the smaller rectangle = L*W

L = 7 in.

W = 8 in.

Area of the bigger rectangle = 7*8

= 56 in.²

✅Area of the figure = 377 + 56 = 433 in.²

4 0
3 years ago
today Ian wants to run less than 7/12 miles write a fraction with a denominator of 4 to represent a distance that is less than 7
hodyreva [135]
The answer is 1/4 because 7/12 is larger than 1/2 but 1/4 is 2x smaller

8 0
3 years ago
Read 2 more answers
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