Mathematics High School

Foundation Geometry
midpoint of AC

A. 18
B. 6
C.27
D.54

Foundation Geometry Midpoint Of AC A. 18B. 6C.27D.54

Answers

Answer 1

Answer:

D

Step-by-step explanation:

Since B  is the midpoint of AC , then

AB = BC , substitute values

4x + 3 = 3x + 9 ( subtract 3x from both sides )

x + 3 = 9 ( subtract 3 from both sides )

x = 6

Then

AC = AB + BC

     = 4x + 3 + 3x + 9

     = 7x + 12

     = 7(6) + 12

     = 42 + 12

    = 54 → D

Related Questions

Select ratios that are equivalent to the following: *
18:54

Answers

Answer:

Equivalent ratios follow:

9:27

3:9

1:3

5:15

2:6

What is the value of x that makes this equation true?
(10 raised to the power of 4) = 10 raised to the power of x

Enter only a number as your answer.

Answers

Answer:

pot0tsafgxxgcgcycguchchcui

Help me please due tommorow

Answers

Answer:

b bc its the right one :D i think

How i did? In livada sunt 12 mere am cules 6. Cate mera au ramas?

Answers

Answer:

72

Step-by-step explanation:

12x6=72

(9)
2 in
5 in
Perimeter:
Area:

Answers

Step-by-step explanation:

The area = 2 × 5 = 10

The perimeter = 2(2 + 5) = 14

please give me a brainliest answer

5*95 math question ...................

Answers

Answer:

475

Step-by-step explanation:

the reason for this is because it just is

HELPPP PLEASEEEEEEEEEEEEEEEEEEEEE

Answers

x=5.....................

the answer is 5
(I did the calculations)

Plsss help me with this question!!!

Answers

There are 27 men in the train car.
69-15=54
54 divided by 2 = 27

Use the figure below to answer the following questions.
What is m∠1?

70
50
90
40

Answers

Answer:

40

Step-by-step explanation:

why ? because the total angle measure in triangle is 180degree so we have a right angled triangle so 90+50 = 140

180-140 = 40

hope it's correct

Solve x - (-9) = -14.

-23
23
5
-5

Answers

Answer:

Open the brackets for this,

x + 9 = -14

x = -14 - 9

x = -23.

-23 is the correct option.

-23 is the correct answer

Jenna works in an ice cream shop. When she starts her shift the tub of chocolate ice cream is 2/3 full. When she finishes her shift 6 1/2 h later, there is only 1/6 of the tub left. What was the average hourly change in tub fullness?

Answers

0.10

so sorry i couldn't make it a fraction :(

Factor Completely. (and please show work)
-10x^2 + 3x + 4

Answers

Step-by-step explanation:

=>-10x²+3x+4

=>-10x²-5x+8x+4

=>-5x(2x+1)+4(2x+1)

=>(2x+1)(4-5x)

hope this helps you.

When or how do you use them to solve for the answer

Answers

Answer:

a) Δt = vf - vi ÷ a

b) (a × Δt) + vi = vf

x²+10+7=0 by completing the square

Answers

Answer:

x=−5+3–√2

x=−5−3–√2

Step-by-step explanation:

Help please i need to know this

Answers

Answer:true,true,false, true,false false

Step-by-step explanation:

Answer:

As shown in the attachment,

Step-by-step explanation:

if m∠2 = 88° then what does m∠4 = ????

Answers

Answer:

176°

Step-by-step explanation:

Find the equivalent expression using the same bases.
(63 · 83)^9

Answers

6383^9/100^9 is the answer………../……..

help pls, i will link question with 50 points

Answers

1. Y = 4x-7

2. y = -5/4+ 5

3. Y = -2x + 5

4. Y = 6

5. Y = -2/7x+0

6. Y = -1/2x + 15/2

Freddy bought 3 bags of pebbles to put in his fish tank. Each bag contains 295 pebbles. After he put the right amount of pebbles in his fish tank, he had 104 pebbles left over. How many pebbles did he put in his fish tank?

Answers

295 x 3 = 885

885-104 = 781

781 pebbles

This morning, Sarah's team started at zero and earned 5 points for perfect attendance. The team lost 10 points for disruptive behavior at lunch. Write an addition equation to describe how many points Sarah's team earned. Give the
sum.

Answers

0+5=5
5-10= -5
They started at 0. The team earned 5 points and lost 10. they ended up with -5 points.

Which identity or property is used during the first step when solving the equation 5 − 8x = 1/2 (4x − 1)

Answers

Answer: Distributive Property

Step-by-step explanation:

Answer:

Step-by-step explanation:

5-8x=1/2 (4x-1)

5-8x=2x-1/2

10-16x=4x-1

-16x-4x=-1-10

-20x=-11

x=11/20

can you plz help me with 2 & 4

Answers

The first question is yes are parallel and the second one is no thy are not parallel

...
PLEASE HELP!!

What is the equation of the line —3x – 2y = 30 in slope-intercept form?

Answers

Answer:

2nd option

Step-by-step explanation:

The equation of a line in slope- intercept form is

y = mx + c

Given

- 3x - 2y = 30 ( add 3x to both sides )

- 2y = 3x + 30 ( divide terms by - 2 )

y = - [tex]\frac{3}{2}[/tex] x - 15 ← in slope- intercept form

I really need help finding the solution!!

Answers

Answer:

-0.5 is not a solution

2 is a solution

Step-by-step explanation:

To check if something is a solution of the equation, you need to substitute the value in place of the variable

15 + 2y = -12 - 4y

15 + 2(-0.5) = -12 - 4(-0.5)

15 - 1 = -12 + 2

14 ≠ -10 ∴ -0.5 is not a solution

5 - 2(3x + 5) = 3 - 10x

5 - 2[3(2) + 5] = 3 - 10(2)

5 - 2(6 + 5) = 3 - 10(2)

5 - 12 - 10 = 3 - 120

-17 = -17 ∴ 2 is a solution

Please answer these and find the slope intercept form for each one.
Best answer gets brainliest!

Answers

1. 5/y=2/3x +3
2. y= 7/1-4
3. y=2/5x8
4. y=-3/4 +1 I could be wrong but I think this is right

A small bookstore sold between 5 and 8 books each day for 7 days. Tell whether the graph is continuous or discrete.

Answers

Answer:

i think the answer is contionous

one-third of the sum of x and 2 as an expression ​

Answers

Answer:

[tex]\frac{1}{3}[/tex](x+2)

Step-by-step explanation:

Hope this helps! :)

Step-by-step explanation:

1) Let the number be x.

2) To find one-third of a number, divide the number by 3 ,

3) x÷3.

PLS PLS PLS HELP ME!??(

Answers

Answer:

I asked this same question and I got this answer

Step-by-step explanation:

g (x) = 2x7x24 = 336

I'm not sure bc I asked the same question and got this answer from someone...

In seventh grade, Emile grew 3 9/10cm,and in eight grade he grew 4 2/5cm. How much did his height increase during these two years?

Answers

Answer:

8 3/10 cm

Step-by-step explanation:

Add Emile's 7th and 8th grade growth amounts together:

3 9/10 cm

4 4/10 cm           (This is equivalent to 4 2/5 cm.)

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

 7 13/10 cm, or

 8 3/10 cm

Make a the subject of the formula where a is positive: a 6(a - 4b) = 2ac + 4d
​

Answers

Answer:

[tex]{ \tt{6(a - 4b) = 2ac + 4d}} \\ \\ { \tt{6a - 24b = 2ac + 4d}} \\ \\ { \tt{6a - 2ac = 4d + 24b}} \\ \\ { \tt{a(6 - 2c) = 4d + 24b}} \\ \\ { \boxed{ \tt{ \: a = \frac{4d + 24b}{6 - 2c} }}} \\ [/tex]

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