which equation is tru when the value of x is 3.5?

a. 2x - 8= 11
b. 2-4x=11
c. 13 - 2x = 38.5
d. x/4 + 9 = 23

Answers

Answer 1
none of the equations are true they are all false when you plug in 3.5 for x

Related Questions

The diagram shows a triangle.
108°
42°
15c
What is the value of c?

Answers

Assuming these are the angles for the inside of the triangle:

c=2

Step-by-step:

108+42+15c=180
150+15c=180
15c=30
c=2

FACTORIZE
A(X)=(2+3x)(-x+7)(-2+3x)(2x+1)​

Answers

Answer:

[tex] - 18 {x}^{4} + 117 {x}^{3} + 71 {x}^{2} - 52x - 28 [/tex]

ans

Jane is a cliff diver and she is planning on jumping from a height of 747 feet and landing in the water below. She will end her dive 64 feet below sea level. What is the difference in height between her starting and ending points?

Answers

Answer:

811 feet

Step-by-step explanation:

When finding height difference, you use absolute value, so everything is positive. 747+64 = 811, so your answer is 811 feet.

Hope this helps!

Answer:

811ft

Step-by-step explanation:

Add 747+64 not negative positive

DUE IN A BIT
WILL GIVE BRAINLIEST PLEASE ANSWER
A parallelogram is dilated by a scale factor of 1/4 to produce a new parallelogram. Which of the following best describes the relationship of the area of the new parallelogram to the area of the original parallelogram?

The area of the new parallelogram is 1/2 the area of the original parallelogram.


The area of the new parallelogram is 1/4 the area of the original parallelogram.


The area of the new parallelogram is 1/16 the area of the original parallelogram.


The area of the new parallelogram is 1/8 the area of the original parallelogram.

Answers

Answer:

C. The area of the new parallelogram is 1/16 the area of the original parallelogram.

Step-by-step explanation:

Dilation by a scale factor of 1/4 results in all dimensions reduction 4 times

Since the area is the product of two dimensions, the area of smaller parallelogram is 4*4 = 16 times smaller than the original one.

Correct answer choice is C

Amira is told there is a trick to finding the slope within an equation in standard form, Ax + By= C. She is told she can rewrite this equation in slope-intercept form, y = mx + b, to find the pattern. She correctly rewrites the equation 7x + 9y = 14 in slope-intercept form as y = - 7/9 x + 14/9. Which answer explains the pattern for how to find the slope using an equation in standard form?

Answers

Answer:

The slope of given equation in standard form

                [tex]m = \frac{-7}{9}[/tex]

Step-by-step explanation:

Explanation:-

Given equation of the line 7x + 9y = 14

The given equation in slope-intercept form, y = mx + b

Slope - intercept form   [tex]y = \frac{-7}{9} x + \frac{14}{9}[/tex]

Comparing  m = - 7/9

Here m = -7/9

        C = 14/9

The slope of given equation in standard form

                [tex]m = \frac{-7}{9}[/tex]

36
Is
✓11 rational or irrational?
25

Answers

Answer:

rational

Step-by-step explanation:

can you make the answer into a fraction or decimal yes you get 4.77

Answer:

the answer is rational

Example:

what is the slope of the line that passes through the points (26, 7) and (-39, 12)

Answers

Answer:

m=  -1/13

Step-by-step explanation:

In AEB,CD is parallel to AB. Complete each proportion please help!!!!!!!!!!!!

Answers

Answer:

see explanation

Step-by-step explanation:

Given a line CD parallel to a side of the triangle and intersecting the other 2 sides, then it divides those sides proportionally, thus

(a)

[tex]\frac{EC}{CA}[/tex] = [tex]\frac{ED}{DB}[/tex]

(b)

[tex]\frac{EC}{EA}[/tex] = [tex]\frac{ED}{EB}[/tex]

(c)

[tex]\frac{EB}{ED}[/tex] = [tex]\frac{EA}{EC}[/tex]

(d)

[tex]\frac{DB}{EB}[/tex] = [tex]\frac{CA}{EA\\}[/tex]

FOR 15 POINTS
The value of 0.01 gram is equivalent to which of the following?
1 centigram
1 kilogram
1 milligram
1 hectogram

Answers

Answer:

1 kilogram

Step-by-step explanation:

have a great day!!!:)

Last year the backgammon club had 30
members. This year the club has 24
members. Determine the percent of
decrease in the number of members.

Answers

Answer:

80%

Step-by-step explanation:

Each angle of the equilateral triangle in the figure has measure (2x – 9)°. Determine the value of x.

A) x = 25.5
B) x = 34.5
C) x = 69
D) x = 60

Answers

Answer:

34.5

Step-by-step explanation:

An easy way to find this out is plug in all the answers into our equation until we get 180. So here's what you do:

A) X=25.5

So put that in the equation replacing x like this :  2(25.5)-9 =42 then multiply by three which = 126, So, A) is not our answer, now do it with the rest until you get 180,

2(34.5)-9=60 60x3=180 so your answer will be the number you plug in aka:34.5

Hope this helps you understand the topic a little better <3

a sofa set was bought for rs.9000and sold at a loss of 25 percent . what was the selling price ?
chapter in maths is comparing quantities
need answer fast pls help . will give full stars !

Answers

Answer:

selling price was 6750

Step-by-step explanation:

9000 x 0.25 = 2250

9000 - 2250 = 6750

Answer:

=rs. 6750

Step-by-step explanation:

marked price=     9000   =       100%

selling price=          ?        =       75%

loss=                        ?        =        25%

as he made a loss it means that he sold the sofa for a lower price hence the selling price will be lower than the marked price.

selling price = if  100% = 9000

        what about    75%?

   75% x 9000

        100%

=rs.6750            

Item 3 You fill bags with cookies to give your friends. You bake 45 chocolate chip cookies, 30 peanut butter cookies, and 15 oatmeal cookies. You want identical groups of cookies in each bag with no cookies left over. What is the greatest number of bags you can make? The greatest number of identical bags you can make is

Answers

Answer:

30 in each bag

Step-by-step explanation:

What is the nth term rule of the quadratic sequence below?
-5, -3,3, 13, 27, 45, 67, ...

Answers

Answer:

the pattern is +2, +6, +10, +14, +18 etc

so its in increment of 4

the rest is trivial

Step-by-step explanation:

Answer:

[tex]u_{n} = 2n^{2} -4n-3[/tex]

Step-by-step explanation:

a +b + c = - 5    First term in sequence

3a + b = 2   Difference between first two terms

2a = 4         Difference between  the difference of the first two terms and the second third terms (the difference between -5 and -3 is 2 the difference between -3 and 3 is 6; the difference between 6 and two is 4)

2a = 4 so a = 2; 3(2) + b = 2 → 6 + b = 2 so  b = -4; 2 - 4 + c = -5  → -2 + c = -5 so c = -3

5 exponent 4 = what the answer pls help

Answers

Answer:

625

Step-by-step explanation:

5*5*5*5

Answer:

625

Step-by-step explanation:

Because the exponent means you would multiply 5 by itself 5 times

so 5 times 5 = 25

25 times 5 and on and on.

When Makayla moved into a new house, she planted two trees in her backyard. At the
time of planting, Tree A was 19 inches tall and Tree B was 35 inches tall. Each year
thereafter, Tree A grew by 6 inches per year and Tree B grew by 2 inches per year. Let
A represent the height of Tree At years after being planted and let B represent the
height of Tree B t years after being planted. Write an equation for each situation, in
terms of t, and determine the number of years after the trees were planted when both
trees have an equal height.

Answers

Answer:A=6t+29

B=3t+35

Same height in 4 years

Step-by-step explanation:

Answer:

A=6t+19

B=2t+35

4 years

Step-by-step explanation:

A-

The tree Orginal Length- 19 inches

Rate the tree grew every year- 6 inches per year

Equation- 6t+19

B-

The tree Orginal Length- 35 inches

Rate the tree grew every year- 2 inches per year

Equation- 2t+35

6(4)+19

24+19

43

2(4)+35

8+35

43

You are recreating a scale drawing at a different scale. The original scale is 1 cm : 8 m. The new scale is 1 cm : 2 m. In the original drawing, the length of a segment is 9 centimeters. How long should the segment representing the same distance be in the new drawing?
The segment should be ?centimeters long.

Answers

Answer:

The segment should be 36 centimeters long

Step-by-step explanation:

Let us use the ratio method to solve the question

The original scale is 1 cm : 8 m

∵ In the original drawing, the length of a segment is 9 centimeters

→ By using the ratio method

→  cm   :  m

→  1      :  8

→  9     :  x

→ By using the cross multiplication

1 × x = 9 × 8

x = 72 m

The actual length of the segment is 72 m

The new scale is 1 cm : 2 m

∵ The actual length of the segment is 72 m

→ By using the ratio method

→  cm   :  m

→  1      :  2

→  y      :  72

→ By using the cross multiplication

y × 2 = 1 × 72

∴ 2y = 72

→ Divide both sides by 2 to find y

y = 36

∴ The drawing length of the segment is 36 cm in the new scale

The segment should be 36 centimeters long

What is the product 70 × 104?

Answers

Answer:

7,280

Step-by-step explanation:

calculator.

70 * 104 = 7,280

The product is the answer of a multiplication problem.

URGENT!! WILL MARK BRAILIEST! GOD BLESS. PLEASE SHOW ALL WORK. The age of Vicky and Krishna total 27 years. In 4 years, Krishna’s age plus twice Vickey’s age will be 43. What are Vickey and Krishna’s ages?

Answers

9514 1404 393

Answer:

Vickey is 4Krishna is 23

Step-by-step explanation:

Let v represent Vickey's age now. Then Krishna's age now is 27-v. In 4 years, the sum of their ages is ...

  (27 -v +4) +2(v +4) = 43

  27 -v +4 +2v +8 = 43 . . . . eliminate parentheses

  v +39 = 43 . . . . . . . . . . . . . collect terms

  v +39 -39 = 43 -39 . . . . . . subtract 39 from both sides

  v = 4 . . . . . . . . . . . . . . . . . simplify; this is Vickey's age

  27 -v = 23 . . . . . Krishna's age

Vickey's age is 4; Krishna's age is 23.

On a spelling quiz, Lily got 16 out of 20 questions correct. Select all the expressions that show the ratio of Lily’s correct answers to incorrect answers.

Answers

Where’s the options?

Answer:

ACD

Step-by-step explanation:

VNQLW3M2L,Q;KJ52KQ

10 POINTS!! AND WILL GIVE BRAINLEST WHOEVER ANSWERS FIRST BUT HAS TO ANSWER RIGHT!! Pls help !!! I've already failed it twice this is my last try please help there's other questions on my account.


Select one:
a. The transformation that would best represent the relocation is a reflection, because reflections preserve size and shape.

b. The transformation that would best represent the relocation is a rotation, because rotations preserve size and shape.

c. The transformation that would best represent the relocation is a dilation, because dilations preserve shape and orientation.

d. The transformation that would best represent the relocation is a translation, because translations preserve size,shape, and orientation.​

Answers

Answer:

the answer is D

Step-by-step explanation:

Bart can paint 3/5 of a wall in 1/2 hour. How long does it take him to paint 5 walls?

Answers

Answer:

2 hours

Step-by-step explanation:

What is the value of | 3 |?

Answers

The answer is 3 since you only move 3 spots from 0

What is the range of the relation?​

Answers

The correct answer is (-2,1,2,8)

The range are the y- values

The explanation:

The range is the set of all second elements of ordered pairs (y-coordinates). Only the elements "used" by the relation or function constitute the range.

Hope this helped you :D

Find the missing length of C given the polygons are similar figures.

Answers

The second trapezoid is dilated by 1/4 because 4.5 is a fourth of 18. So to find length C multiply 2 (it’s dilated side) by 4.

2x4=8

The length of C is 8m

Hope this helps you!

1. Given: 3(m-2) + 14 = 38
Prove: m= 10
please help it’s a proof

Answers

Answer:

It is 10 (m=10)

Step-by-step explanation:

3 (10-2) + 14                  Subtract whats in the parentheses

3 (8) + 14                        Multiply 3 and 8

24 + 14                             Add the remaining to get the sum ( 24 + 14 )

38           (Your total)

~~~Hope this helps~~~

I think their right.

n is an integer. Prove that (2n+1)(n+3)+(2n+1)(n-2) is not a multiple of 2. thanks.

Answers

Answer:

(2n + 1)(n + 3) + (2n + 1)(n - 2)

= (2n + 1)(n + 3 + n - 2)

= (2n + 1)2n + 1)

= 4n² + 4n + 1

= 2(2n² + 2n) + 1

can see 2(2n² + 2n) is   a multiple of 2 but 1 isnt  a multiple of 2

=>  2(2n² + 2n) + 1  is not a multiple of 2

=> (2n + 1)(n + 3) + (2n + 1)(n - 2) is not a multiple of 2

Step-by-step explanation:

Alannah has a puppy, she buys a leash for $3.99, a dog toy for $5.47, and one bag of dog food for $8.99. What is the minimum amt of money (x) Alannah has to have to purchase supplies for her puppy

Answers

Answer:

I'm pretty sure she needs to have $18.45

Step-by-step explanation:

All you have to do is add the numbers together to get the minimum amount

Answer:

18.45[tex]\leq[/tex]x

Step-by-step explanation:

3.99+5.47+8.99[tex]\leq[/tex]x

Find the unit rate. 2 1/4 mile in 1/4 hour

Answers

1/4 x 4 = 1
2 1/4 x 4 = 9

9 miles an hour

Can y’all help it’s a test and the answer choices are
A) 6
B) 4
C) -1
D) 1

Answers

Answer:

It's 4 (B)

Reasoning:

When X is equal to its lowest point (1 in this case, but it's usually 0), y is equal to 4

I hope this helps and good luck!

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