# Mathematics

All new and solved questions in Mathematics category

### BRAINLIEST IF CORRECT ASAPC is the incenter of isosceles triangle ABD with vertex angle ∠ABD. Does the following proof correctly

BRAINLIEST IF CORRECT ASAP C is the incenter of isosceles triangle ABD with vertex angle ∠ABD. Does the following proof correctly justify that triangles ABC and DBC are congruent?It is given that C is the incenter of triangle ABD, so segment BC is an altitude of angle ABD.Angles ABC and DBC are ...

### BRAINLIEST IF CORRECT ASAPAlex is writing statements to prove that the sum of the measures of interior angles of triangle PQR is

BRAINLIEST IF CORRECT ASAP Alex is writing statements to prove that the sum of the measures of interior angles of triangle PQR is equal to 180°. Line m is parallel to line n. Line n is parallel to line m. Triangle PQR has vertex P on line n and vertices Q and R on line m. Angle QPR is 80 degrees...

### 30 points, please help.1) which property is illustrated by the following statement?-3x (-5) = (-5) 3xa. commutative property

30 points, please help. 1) which property is illustrated by the following statement? - 3x (-5) = (-5) 3x a. commutative property of addition b. associative property of addition c. commutative property of multiplication d. inverse property of multiplication 2) which property is illustrated by the f...

Prove that $$\frac{1}{ \csc(a) - \ \cot(a) } - \frac{1}{ \sin(a) } = \frac{1}{ \sin(a) } - \frac{1}{ \ \csc(a) + \cot(a) }$$Help please?...

### P is the point (2,5) and Q is the point (6,0). A line L is drawn through P perpendicular to PQ to meet the y-axis at the point R.

P is the point (2,5) and Q is the point (6,0). A line L is drawn through P perpendicular to PQ to meet the y-axis at the point R. a. find the equation of L b. find the coordinates of the point R c. find the area of the triangle OPR where 0 is the origin....

### When solving the equation 4 (3x+2)-9=8x+7 Emily wrote 4(3+2)=8=6 as her first step. Which property justifies Emily's first stepa

When solving the equation 4 (3x+2)-9=8x+7 Emily wrote 4(3+2)=8=6 as her first step. Which property justifies Emily's first step a ) additional property of equality b Multiplication property of equality c commutative property of addition d Distributive property of multiplication...
A relay race covers 1\dfrac121 2 1 1, start fraction, 1, divided by, 2, end fraction kilometers, and each runner on a team will run \dfrac14 4 1 start fraction, 1, divided by, 4, end fraction of a kilometer. How many runners are needed for a team?...

### Given: AB≅ BC, AE≅ FCProve: m∠AEC=m∠AFC

Given: AB ≅ BC , AE ≅ FC Prove: m∠AEC=m∠AFC...

### A firm’s monthly cost for paying cleaners’ wages is $47 250. Under a new pay deal each cleaner earns$375 more each month. If

A firm’s monthly cost for paying cleaners’ wages is $47 250. Under a new pay deal each cleaner earns$375 more each month. If the new pay deal goes through, the firm realises that it will need to reduce the number of cleaners by 3 if it is to cover its costs within the existing budget. What is t...

Please help this is confusing $$Please help this is confusing$$...

### Given: Point P is on the bisector of angle A B C. Prove: Point P is equidistant from the sides of angle A B C. Art: Three rays B A,

Given: Point P is on the bisector of angle A B C. Prove: Point P is equidistant from the sides of angle A B C. Art: Three rays B A, B P, and B C point in rightward direction sharing a common endpoint labeled as B. Ray B P is horizontal and bisects angle A B C equally. The perpendicular from point P ...

### What are some good high school lexile level book series

What are some good high school lexile level book series...

### Giải Hêls bài chêm nha em cảm ơn ạ

Giải Hêls bài chêm nha em cảm ơn ạ $$Giải Hêls bài chêm nha em cảm ơn ạ$$...

### The diagram shows a circle with the centre O. A, B and C lie on the circumference of the circle. Work out

The diagram shows a circle with the centre O. A, B and C lie on the circumference of the circle. Work out $$The diagram shows a circle with the centre O. A, B and C lie on the circumference of the circle. Wo$$...

### Help with math problem

Help with math problem $$Help with math problem$$...

### One angle of a right triangle measures 62°. What is the measure of the other acute angle?

One angle of a right triangle measures 62°. What is the measure of the other acute angle?...

### Sam and Jessica each opened a savings account today. Sam opened his account with a starting amount of 370 , and he is going to put

Sam and Jessica each opened a savings account today. Sam opened his account with a starting amount of 370 , and he is going to put in 95 per month. Jessica opened her account with a starting amount of 850, and she is going to put in 35 per month. Let x be the number of months after today. Write an e...

### It will take 10 subs to feed 25 people. How many subs will it take to feed 20 people?

It will take 10 subs to feed 25 people. How many subs will it take to feed 20 people?...
Graph a line having a x-intercept of 3 and a slope of -2/3. Which of the following points lies on the graph? $$Graph a line having a x-intercept of 3 and a slope of -2/3. Which of the following points lies on t$$...
Calculate the missing angles and give your reason $$Calculate the missing angles and give your reason$$...