MATHEMATICS COLLEGE

Please help me find the correct answers ​
please help me find the correct answers ​ - 1

Answers

Answer 1
Answer:

Answer:

P = 20 ft

h = 2 ft

B = 10.56 ft²

Step-by-step explanation:

P = 8.8 + 8.8 + 1.2 + 1.2 = 20 ft

h = 2 ft

B = 1.2 x 8.8 = 10.56 ft²

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. What would be the new coordinates if (-2,-4) is translated 5 units up and7 units to the left.

We can show that ∆ABC is congruent to ∆A′B′C′ by a translation of

Answers

CHECK THE ATTACHMENT FOR COMPLETE QUESTION

Answer:

We can show that ΔABC is congruent to ΔA'B'C' by a translation of 2 unit(s) Left and a Reflection across the x axis.

Step-by-step explanation:

We were given triangles ABC and A'B'C' of which were told are congruents,

Now we can provide the coordinates of A and A' from the given triangles ΔABC and ΔA'B'C' ,if we choose a point of A from ΔABC and A' from ΔA'B'C' we have these coordinates;

A as (8,8) and A' (6,-8) from the two triangles.

If we shift A to A' , we have (8_6) = 2 unit for that of x- axis

If we try the shift on the y-coordinates we will see that there is no translation.

Hence, the only translation that take place is of 2 units left.

It can also be deducted that there is a reflection

by x-axis to form A'B'C' by the ΔABC.

BEST OF LUCK

Someone help pls!!! Thanks

Answers

Answer:

The answers are A and C

Step-by-step explanation:

A is correct because -16 is on the left of the number line.

ANSWER ASAP:Shayla wants to buy some CDs that each cost $14 and a DVD that costs
$23. She has $65 that she is able to spend. Which equation can be used to
determine how many CDs Shayla could buy?

Answers

14x+23=65
65 is the total money
23 is with the dvd
14 is how many she can buy

300 people joined the community orchestra. Some intended to play a string instrument, some a brass instrument, and the others percussion. If 3 times as many people were planning to play a string instrument as a brass instrument, and if 60 fewer were going to play percussion than a brass instrument, how many people were planning to play each type of instrument?

Answers

Total amount of instrument players= 300
Number of brass instrument players= x (because we do not know how many there are, except that all other values that we must calculate are based off of the number of brass players we have 
Number of string instruments= 3x (because 3 times more than the number of brass instruments 
Number of Percussion= x-60 (because there are 60 less percussion players than brass players 

So, our equation is (number of string instruments)+(number of brass instruments)+(number of percussion instruments)=300 (which is our total possible number of people 

3x+x+x-60=300
3x+x+x=360
5x=360
x= 72

We have 72 brass instrument players, 3(72)= 216 string instrument players, and 72-60=12 percussion players

check: 72+216+12=300

Given: R=2m KL = LM = KM
Find: V and
Surface Area of the cone

Answers

Answer:

The volume of the cone is 3π≈9.42.

The surface area of the cone is 9π≈28.27.

Step-by-step explanation:

If we make a section of the sphere and the cone, we have a equilateral triangle inscribed in a circle (see picture attached).

We only know the numerical value of the radius R, that is 2 m.

From the picture, we have

\bar{KM}=2\cdot R\cdot cos(30^(\circ))=2R(√(3))/(2)=√(3)R= 2√(3)

The radius of the base of the cone is

r=\bar{KO}=\bar {KM}/2=(2√(3))/2=√(3)

The height of the cone can be calculated as:

h=\bar{LO}=\bar{KL}\cdot cos(30^(\circ))=(2√(3))*(√(3)/2})=3

The volume of the cone can be calculated as:

V=(1)/(3)\pi r^2h=(1)/(3)\pi (√(3))^2*3=3\pi\approx9.42

The surface area of the cone is:

S=S_(base)+S_(face)=\pi r^2+\pi r l=\pi r^2+\pi r (\bar{KL})\n\nS=\pi(√(3))^2+\pi √(3)*2√(3)=3\pi+2\pi*3=(3+6)\pi=9\pi\approx 28.27

A principle of $4570 is placed into account that earns 4.5 interest if the interest is compounded annually how much money will be in the account

Answers

Answer:

205.65 interest

Step-by-step explanation:

Answer:

Option D on Edg.

Step-by-step explanation: I took the test and the correct option is $5695.05.
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