Mathematics High School

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Answers

Answer 1

Answer:

a)

There are 6 planes - 5 faces of the pyramid and one base, which overlaps with the plane X.

b)

Collinear points are the points on the same line:

J, K, D are collinear

c)

The intersection of planes X and HGD is the line section HG.

Answer 2

a:-

This is a pentagonal pyramid

It has 5 planes on sides and one is on base.Total 6planes.

B:-

J-F-L and J-K-D

C:-

HG is the intersection line

Related Questions

please help, geometry b

Answers

Answer:

Radius=2sqrt(30)

Step-by-step explanation:

Tangents drawn from a common point are equal in length, so AB=BD, 2x-2=x+5, x=7. Next CDB is a right angled triangle, so CD^2+DB^2=CB^2, CD=7 and CB=13, CD=sqrt(120)=radius

Determine the name of the polygon formed by the points below.

A(5,-1),B(0,5),C(4,5),D(-2,-1)


No spams.Answer should be well explained .Attach a diagram or graph of it .​

Answers

Answer:

Given

Points A(5,-1),B(0,5),C(4,5),D(-2,-1)

Plot the points and connect to get a trapezoid (attached).

Just consider this is going to be ACBD according to coordinates.

Step-by-step explanation:

Given points are A(5,-1), B(0,5), C(4,5) and D(-2,-1)

When the given points are plotted on a graph paper and are connected. Then the formed polygon is trapezoid.

PLEASE HELP ASAP NEED ANSWER WITHIN 10 MINUTES PLEASE

Answers

The question is blurry if u post it again i will help

I need some help on 9 and 10

Answers

Answer:

Step-by-step explanation:

9

The angles are vertically opposite. Vertically opposite angles are equal.

12x - 5 = 10x + 1           Add 5 to both sides.

12x = 10x + 5 + 1          Combine

12x = 10x + 6                Subtract 10x from both sides.

12x - 10x = 6                Combine

2x = 6                          Divide by 2

x = 6/2

x = 3

10

Adjacent angles to each other when sharing a side are supplementary

4x + 7 + 2x + 5 = 180             Combine like terms on the left

6x + 12 = 180                          Subtract 12 from both sides

6x = 180 - 12                          Combine

6x = 168                                  Divide by 6

x = 168 / 6

x = 28

What is the degree of 5xpower2+6xpower2+7ypower2​

Answers

Answer:

7

Step-by-step explanation:

Explanation:

6x5+5x4−3x2+x7

What is 10 x 0.018?

0.18
1.8
18
180

Answers

Answer:

0.18

Step-by-step explanation:

hope this helps

Answer:

0.18

Step-by-step explanation:

multiply them together

the diagrams below show the numbers in base two which are arranged in few rows

Answers

let x is equalbut if you quality I and Y is equal to 80 ft decide that young (a minus b is equal to young) a greatest loss - 1 (a intersection b) close

I need help asap plz.​

Answers

Answer:

» [tex]❎ \: f( \frac{ - 1}{2} ) = - 2 [/tex]

when x is -½, f(x) is 5/4.

» [tex]{ \boxed{✔}} \: f(0) = \frac{3}{2} [/tex]

check second row.

» [tex] ❎ \: f(1) = - 1[/tex]

f(1) is 2

» [tex]❎ \: \: f(2) = 1[/tex]

f(2) is 5/2

» [tex]{ \boxed{✔}} \: f(4) = \frac{7}{2} [/tex]

Answer:

B. f(0) = 3/2 and E f(4) = 7/2

Step-by-step explanation:

Given function:

f(x) = 1/2x + 3/2

Find the following:

f(-1/2) = 1/2(-1/2) + 3/2 = -1/4 + 6/4 = 5/4, incorrectf(0) = 3/2, given in the table, correctf(1) = 2, given in the table, incorrectf(2) = 5/2, given in the table, incorrectf(4) = 1/2(4) + 3/2 = 2 + 3/2 = 7/2, correct

Correct choices:

f(0) = 3/2f(4) = 7/2

2r=1/6 find the value of r.​

Answers

1/12 you find it by dividing both sides by 2

5/18 + 2/9=
geometry
adding fractions

Answers

the answers is 0.5 or 1/2

Answer:

1/2

Step-by-step explanation:

find the lowest common multiple

18x1 = 18

9x2 = 18

5/18 + 2/9

= 5/18 + 4/18 (multiply 2/9's numerator and denominator by 2)

= 9/18 or 1/2

The simple interest on a sum of money invested at 3% per annum for 2 years was $39.75. Calculate the sum of money invested.​

Answers

Answer:

N1,640

Step-by-step explanation:

I = N123; R = 3%' T = 2

1

2

yrs; P =

100

×

1

R

T

P =

100

×

123

3

×

2.5

principal(P) = N1640

Find the coordinates of the midpoint M of ST s(-2,4) t(3,9)

Answers

Answer:

M= 3.535

Step-by-step explanation:

Look at the line t then divide by 2

How many terms are in the expression 5m2 - mn + 4n + 7?

4
3
2

Answers

Answer:

4 of them I think

-8-4x>1
please help

Answers

I hope this help you

Evaluate the expression when x = 6 and y = -4. 6x - 5y​

Answers

Hi ;-)

[tex]\text{x}=6 \ \text{and} \ \text{y}=-4\\\\6\text{x}-5\text{y}=6\cdot6-5\cdot(-4)=36+20=\boxed{56}[/tex]

Answer:

56

Step-by-step explanation:

x = 6 and y = -4

Substituting the values in the equation,

6(6) - 5(-4)

=> 36 + 20

=> 56

is 2/3 rational is 3.1415926535 rational

Answers

Answer:

yes 2/3 is rational.

Step-by-step explanation:

please mark me brain list

Please help me I will mark brainliest :)

Answers

Answer:

X should equal 12.

Step-by-step explanation:

I say this because we know TED= 30° bc 50°-20° = 30

then u have to think about what × 2 + 6 equals 30

sure enough 12 × 2 = 24 and 24 + 6 = 30

that's why I say X equals 12

Look for a pattern in the first three diamonds below. For the fourth diamond, explain how you could find the missing numbers (?) if you know the two numbers

Copy the Diamond Problems below onto your paper. Then use the pattern you discovered to complete each one.

HELPPP PLEASE

Answers

Answer:

See below.

Step-by-step explanation:

The top number is the product (multiplication) of the two side numbers. The bottom number is the sum (addition) of the two side numbers.

https://brainly.com/question/24370497

10÷2=5

5+2=7

6÷3=2

2+3=5

4÷-4=-1

-1-4=-5

this is the pattern

use the diagram on the right. How many planes contain both the line and the point

a. FG and point P


b. EP and point G

Answers

Part (a)

Answer: 0

-------------------

Explanation:

Point P is part of 3 planes or faces of this triangular prism:

plane PEF (the front slanted plane)plane PEH (the left triangular face)plane PHG (the back rectangular wall)

Notice how each three letter sequence involves "P", though this isn't technically always necessary. I did so to emphasize how point P is involved with these planes.

Each of the three planes mentioned do not involve line FG

Plane PEF only deals with point FPlane PEH doesn't have any of F or G involvedplane PHG only involves G

So there are no planes that contain line FG and point P.

==================================================

Part (b)

Answer: 0

-------------------

Explanation:

It's the same idea as part (a) earlier. The planes involving point G are

plane GQF  (triangular face on the right)plane GFE (bottom rectangular floor)plane GHP (back rectangular wall)

None of these planes have line EP going through them.

As an alternative, we could reverse things and focus on all of the planes connected to line EP. Those 2 planes are

plane PEH (triangular face on the left)plane PEF (front slanted rectangular face)

None of these planes have point G located in them.

Click on all of the numbers that make the comparison true.
8.32 >
A 8.058
B. 8.492
C. 8.41
D. 8.28
E. 8.1
F. 8.3

Answers

Answer:

A, D, E, F

Step-by-step explanation:

0.32 is bigger than 0.058; smaller than 0.492 and 0.41, but also bigger than 0.28, 0.10 and 0.30

Answer:

Step-by-step explanation:

35

If your gross monthly income will be $3,750, you need to determine the net pay for your monthly budget.

Your monthly net pay is

Answers

Answer:

The correct answer to the given question is $2,989.12. The monthly net pay is $2,989.12, when the gross monthly income is $3,750.

                                         Thank You

Answer: correct answer is 2,989.12

Step-by-step explanation:

for the math experts

Answers

Answer:

45 cause any value inside mod function always return to postive

Q9. Alice worked 52 hours this week. She gets paid $9.35 per hour for the
first 40 hours and then gets time-and-a-half for the rest of the time. How
much money did she make this week?

Answers

9514 1404 393

Answer:

  $542.30

Step-by-step explanation:

For the first 40 hours, Alice made ...

  (40 h)($9.35/h) = $374.00

For the next 52 -40 = 12 hours, Alice made ...

  (12 h)($9.35/h × 1.5) = $168.30

Then the total Alice made for working 52 hours is ...

  $374.00 +168.30 = $542.30

Alice made $542.30 this week.

a=23 an= 5 n=10 find d

Answers

Answer:

d=-2

Step-by-step explanation:

a10=5, a10=a+(10-1)d

5=23+9d, d=-2

Answer:

d is -2

Step-by-step explanation:

From arithmetic progression:

[tex]{ \bf{a_{n} = a + (n - 1)d }}[/tex]

substitute:

[tex]{ \sf{5 = 23 + (10 - 1)d}} \\ { \sf{5 - 23 = 9d}} \\ { \sf{9d = - 18}} \\ { \sf{d = \frac{ - 18}{9} }} \\ \\ { \sf{d = - 2}}[/tex]

PLS HELP I WILL MARK THE CORRECT ANSWER BRAINLIEST !!!!!!! PLS HELP IMAGE INCLUDED!!!!!!

Answers

The answer should be C,I finished my quiz last week

20. From the alongside figure, the value of x is a. 45° b.55 c.120 d.60​

Answers

Answer:

I think the value of x= 45°

SOMEONE HELP ME PLEASE

Answers

Answer: D,E,F

Step-by-step explanation:

collinear means points on the same line

A clothing company buys t-shirts for $10 and sells them for $100. What is the percentage mark up on
t-shirts? Make sure you show at least one step of working

Answers

Answer:

900%

Step-by-step explanation:

Starting price : 10

End price: 100

100-10 = 90

90/10 = 9 = 900%

If my answer is incorrect, pls correct me!

If you like my answer and explanation, mark me as brainliest!

-Chetan K

Which equation is equivalent to the given equation? x^2 - 10x = 14​

Answers

Answer:

(x - 5)² = 39

Step-by-step explanation:

Given

x² - 10x = 14

To obtain an equivalent equation use the method of completing the square.

add ( half the coefficient of the x- term )² to both sides

x² + 2(- 5)x + 25 = 14 + 25

(x - 5)² = 39

I believe that the answer you are looking for is (x-5)²-39, if you use the completing the square method.

Solution:

x²-10x=14

Transferring 14 from the right side to the left side,

x²-10-14=0

Squaring the equation,

(x-5)²-39, or (x-5)²=39 (Depends on how you prefer to write it).

So, that is the final answer. I hope this helped. If you have any questions about the answer, please let me know. Enjoy your day and take care!

Can the distributive property be used to rewrite
8 x (10 + 9)?

Answers

Answer:

yes

Step-by-step explanation:

using the distributive property 8 × (10 + 9)

becomes 8× 10 + 8 × 9

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