3 years ago

Please help........................

Mathematics

1 answer:

VashaNatasha [74]3 years ago

3 0

Answer:

Step-by-step explanation:

If m∠ABC = 40° and BD is the bisector of ∠ABC, then

(1) m∠ABD = m∠DBC

(2) m∠ABC = m∠ABD + m∠DBC

From (1) and (2) we have:

m∠ABC = 2m∠ABD

Therefore

2m∠ABD = 40° <em>divide both sides by 2</em>

m∠ABD = 20°

You might be interested in

Which value is a solution of the equation 85= 120-w?

Ronch [10]

$85=120-w\\85-120=120-w-120\\-35=-w\\\frac{-35}{-1}=\frac{-w}{-1}\\35=w$

w = 35

8 0

3 years ago

Read 2 more answers

Fruit Slice Flavor Small Bag Medium Bag Large Bag Orange 20 40 60 Grape 10 20 30 Cherry 5 10 15 Total Slices 35 70 105 Best Ever

Maksim231197 [3]

It depends on how much its the total

7 0

3 years ago

Read 2 more answers

Alexandra earns $125 from her paper route each month, but she spends about $20 each month on personal expenses to pay for a scho

SVEN [57.7K]

125 per month-$20 per month expences=105 savings each month
800/105= number of months needed to save

Answer 7.6 (rounded) roughly about 7 and a half months. If shes paid monthly, then 8 montjs needed

8 0

3 years ago

7b<br> Evaluate when b= -1<br> b-3

tiny-mole [99]

Answer:

b-3

-1-3

-4

is the correct answer

5 0

3 years ago

Which is an irrational number?

chubhunter [2.5K]

Answer:

√21

Step-by-step explanation:

<u><em>Irrational number:-</em></u>

An irrational number is a type of real number which cannot be represented as a simple fraction . it cannot be expressed in the form of a ratio.

Example:-

√2,√3, ,......

Given option

√21 is a irrational number

7 0

3 years ago