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2 years ago

I need this ASAP!!!! PLZ HELP!!! 20 points!!

Mathematics

2 answers:

Dimas [21]2 years ago

8 0

I think it’s the 3rd one I’m sorry if I’m not correct

sergiy2304 [10]2 years ago

7 0

Answer:

Third graph C.

Step-by-step explanation:

3a + 11 > 5

Subtract 11 from both sides

3a > -6

Solve for a

a = -6/3

a > -2

so a would be all numbers greater than -2

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5. Find the mZABC if<br> ZABD = 35°, ZDBC = 55º.

Reika [66]

Answer:

$m\angle ABC=90^o$

Step-by-step explanation:

see the attached figure to better understand the problem

we know that

$m\angle ABC=m\angle ABD+m\angle DBC$ ----> by angle addition postulate

substitute the given values

$m\angle ABC=35^o+55^o=90^o$

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3 years ago

Which of the following is equivalent to (5 /k) + ((k + 3) /(k + 5)) ?

Mars2501 [29]

$\frac{5}{k}+\frac{k+3}{k+5}=\frac{5(k+5)}{k(k+5)}+\frac{k(k+3)}{k(k+5)}=\frac{5k+25+k^2+3k}{k(k+5)}=\frac{k^2+8k+25}{k(k+5)}\\\\Answer:E$

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3 years ago

Read 2 more answers

Find the angles marked with with letters

Sever21 [200]

Answer:

<A=67⁰

<B=22⁰

<C=42⁰

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7 0

3 years ago

Read 2 more answers

What is the area of this polygon? <br><br> Pleasee help mee<br><br> I will mark brainliest!

Ira Lisetskai [31]

Answer:

60 squared inches.

Step-by-step explanation:

You can break this polygon into two parts. The rectangle part of the polygon is 55 squared inches. The triangle part is 5 squared inches.

The rectangle:

$5(11)=55$

The triangle:

$2(5)=10\\10/2=5$

Therefore, the whole polygon is 60 squared inches.

6 0

3 years ago

What is the length of RU?

marta [7]

Answer:

Length of RU is 20 units.

Step-by-step explanation:

In ΔRSt and ΔRUT,

ST ≅ TU [Given]

RT ≅ RT [Reflexive property]

∠RTS ≅ ∠RTU [Both the angles are the right angles]

ΔRTS ≅ ΔRTU [By SAS property of congruence]

Therefore, RS ≅ RU [By CPCTC (corresponding parts of the congruent triangles are congruent]

8x = 6x + 5

8x - 6x = 5

2x = 5

x = 2.5

Length of RU = (6x + 5)

= 6(2.5) + 5

= 15 + 5

= 20

Length of RU is 20 units.

7 0

3 years ago