Mathematics Middle School

1. Select all the equations that have no solution.
a. +6=5+
b. -2(−3)=-2+6
c. 4−4=3+2
d. 4(+1)=3(+2)
e. 5−3=-3+4

1. Select All The Equations That Have No Solution.a. +6=5+b. -2(3)=-2+6c. 44=3+2d. 4(+1)=3(+2)e. 53=-3+4

Answers

Answer 1

Answer:

a, and e.

Step-by-step explanation:

x+6=5+x has no solution. When you subtract 6 from both sides, you get x=-1+x. We know that x doesn't equal -1+x, so this equation has no solution.

-2(x-3)=-2x+6 has a solution. When you distribute, you get -2x+6=-2x+6.

4-4x=3x+2 has a solution. Subtract 4 from both sides to get -4x=3x-2. Subtract 3x from both sides to get -7x=-2, then divide -2 by -7 to get x=0.285714285714. This equation has a solution.

4(x+1)=3(x+2) has a solution. Distribute to get 4x+4=3x+6. Subtract 4 from both sides to get 4x=3x+2. Subtract 3x from both sides to get x=2. This equation has a solution.

5-3x=-3x+4 has no solution. Subtract 5 from both sides to get -3x=-3x-1. We know that -3x does not equal -3x-1, so we can determine that this equation has no solution.

Answer 2

Answer:

a  and e has no solution

Step-by-step explanation:

A) x + 6 = x +5

Subtract x from both sides

   x + 6 - x = x + 5 - x

        6 = 5 which is not true.

So, this equation has no solution

d) 5 - 3x = -3x + 4

Add 3x to both sides

5- 3x + 3x = -3x + 4 + 3x

5 = 4         which is not true.

So, no solution

Related Questions

If you have 2+2^2 and/or 5^2s when s=14 how much will you have???

Answers

Step-by-step explanation:

2+2^2=6

5^2(14)=25(14)=350

350+6=356

Hope that helps :)lol

Answer:

356

Step-by-step explanation:

2+2^2=6

5^2(14)=25(14)=350

350+6=356

8 - 5b = -7 ?? whats the b

Answers

Answer:

b=3

Step-by-step explanation:

Isolate the b:

8-5b=-7Subtract 8, -5b=-15Divide by -5, b=3

Check your answer:

8-5(3)=-78-15=-7-7=-7
b=3
you subtract the 8 from the left then subtract it from the right giving you -5b=-15 then divide the -5 by both sides

can somebody help me please

Answers

A. The scale used to make the model was 125 meters =1 foot. 525 divided by 4.2 equals 125 meters.

B. The model is 84 sheets of plywood tall.
4.2 feet = 50.4 meters 50.4 meters divided by 0.6 equals 84 sheets.

A parallelogram has an area of 84 square centimetres and a base of 4 centimetres. Write and solve an equation to find the length of the height in centimetres

Answers

Answer:

21cm

Step-by-step explanation:

include step by step directions MAKE SURE ITS CORRECT

Answers

Answer:56

Step-by-step explanation:do 180-68, then divide by 2(because the x angles are equal to each other.

Please help me

I’ll give brainliest please help

Answers

here’s the answer!!
It would be A, real, integer, whole, and rational :)

Can someone help me?

My teacher said to put in simplisit form. and not to estimate.
I will give brainlisit !!!

Answers

Answer:

4. .88

5. 17/9

6. 67/12

7. 47/56

8. 209/45 or 4 29/45, 4.64

9. 143/30

Step-by-step explanation:

Can someone answer this for me

Answers

He earned $9 the 7th time

Simplify the expression: cos (7x) cos (4x) + sin (7x) sin (4x).

Its either

cos(11x)

cos(3x)

sin(11x)

sin(3x)

The ANSWER IS COS(3X)

Answers

Answer:

!WARNING! DO NOT CLICK THE LINK THIS PERSON HAS PREVIDED IS A HACK LINK. ALL OF THE LINKS ARE THE SAME AND WHEN YOU GO IN THEY TRACK YOUR DIVICE AND GET YOUR LOCATION. PLEASE COPY AND PASTE THIS TO OTHER PEOPLE WHO HAVE PUT THIS LINK. HAVE A GREAT DAY.

Step-by-step explanation:

Find the area of the figure.

Answers

Answer:25

Step-by-step explanation:Count all the wholes then put all the halves and there is 25

answer: 25
hope this helps out .

To graph the point (2, 10) on the coordinate plane, start at the origin. Move 2 units _______ and 10 units ________ . 40 points

Answers

Answer:

2 units to the right and 10 units up

Step-by-step explanation:

Dont send me pdfs or links please answer correctly for brainliest

Determine whether each sample is unbiased with complete sentences.

The population is every pet at an animal shelter.

A. Sample: Every dog is used as the sample.

B. Sample: The animals are grouped by species (dog, cat, rabbit, etc.), and five animals from each group are randomly selected to determine their age.

C. Sample: Every animal's name is dropped into a container, and 15 names are pulled out of it.

Answers

Answer:

C. Sample: Every animal's name is dropped into a container, and 15 names are pulled out of it.

Step-by-step explanation:

mark this brainlest please

plzzzzzzzzzzzzz help!!!

Answers

it is not a perfect square trinomial.
Explanation:
Perfect square trinomials are of the form:
(
a
+
b
)
2
=
a
2
+
2
a
b
+
b
2
then:
x
2
+
10
x
+
100
is not a perfect square trinomial:
a
=
x
,
b
=
10
,
2
a
b
=
20
x

Dr. Hudson has a clock decorating business. On her signature circular clock, she puts glitter tape around the outer trim. About how much tape does she need to make ten clocks if each signature circular clock has a radius of 6 in? Use 3.14 for pi.

Answers

Answer:

She will need to use 377 inches of glitter tape.

Step-by-step explanation:

Find the circumference of the circle by using the radius. The circumference of each clock is 37.7 inches. Multiply that by 10, because there are 10 clocks. That will give you your answer is 377 inches!

A 9 pound bag of sugar is being split into containers that hold 2/3 of a pound. How many containers of sugar will the 9 pound bag create?

A. 13 1/2
B. 15 1/3
C. 13 1/3
D. 27

Answers

9 divided by 2/3 would be 13.5, so your answer is A.

ok last one help meee

Answers

c c c c58 58 58 58 57
Answer is c. 58, all the rest are wrong

I NEED HELP FAST! Find the surface area of the shape below

Answers

Answer: d

Step-by-step explanation: trust me ok

d i hope this helps:)

Can I get some help with this question plzzz

Answers

All the possible combinations are
1-1 2-1 3-1 4-1 5-1 6-1
1-2. 2-2 3-2 4-2. 5-2. 6-2
1-3 2-3. 3-3. 4-3. 5-3. 6-3
1-4. 2-4. 3-4. 4-4. 5-4. 6-4
1-5. 2-5. 3-5. 4-5. 5-5. 6-5
1-6. 2-6. 3-6. 4-6. 5-6. 6-6

What is the total for each roll?

2. 3. 4. 5. 6. 7.
3. 4. 5. 6. 7. 8
4. 5. 6. 7. 8. 9
5. 6. 7. 8. 9. 10.
6. 7. 8. 9. 10. 11.
7. 8. 9. 10. 11. 12

What roll occurs most often?

>>>>>>7<<<<<

7 occurs in 6 out of 36 possible outcomes

How long does it take an account with a principal of $600 to earn $90 in interest at a simple annual interest rate of 5%

Answers

Answer:

3 yrs

Step-by-step explanation:

1st year=600*1.05=630

2nd year=630*1.05=661.5

3rd year=661.5*1.05=794.57

Sarah is on a 400 mile road trip. She has 114 miles left to travel. Her vehicle gets about 22 miles per gallon. She wants to know how many gallons of gasoline she has used.

Hilary and William both found the number of gallons of gasoline Sarah used on her trip. They each used a different method to solve the problem. Which statements are true? Check all that apply.

Answers

Answer:

13 gallons

Step-by-step explanation:

Answer:

C. They both subtracted 114 from 400

D. The difference of 114 fro 400 represents the number of miles Sarah has traveled so far

Gallon
3
2
1
OC
2
5
6
2
8
10
Minutes
The graph represents the gallons of water (/) per minute (x) dispensed by a shower head. Which statements are correct?
A)
Point (0,0) represents the unit rate,
8)
Point (5, 1) represents the unit rate,
Point (1,5) represents the unit rate.
D)
7.5 gallons of water are used in 1.5 minutes,

Answers

Answer:

I'm gonna base this off of gallon being y and minutes x

Step-by-step explanation:

it dosnt say it starts with any water in it and I have no numbers to base this so I'm gonna say that it passes through the origin and unit rate depends on how many gallons a minute just take 2 minutes and 1 gallon right well that would be .5 for unit rate hope this helps you

PLZZZ help with this its pretty simple!

Answers

Answer:

It should be D, [tex]x^4 - 2x^3 + 7x^2 -12x - 4[/tex]

Step-by-step explanation:

Since, the equation given in the question is the factored form of the equation D. It can be solved using FOIL (First Outside Inside Last):

x * x³ = [tex]x^{4[/tex]

x * 7x = 7x²

x * 2 = 2x

-2 * x³ = -2x³

-2 * 7x = -14x

-2 * 2 = -4

This all would add up to ⇒ [tex]x^{4}[/tex] - 2x³ + 7x² + (-14x + 2x) -4

Simplifying the parenthesis further would give the option D as the answer.

plzzzzzzzzzzzzz help

Answers

(2m-7)(2m-7)
4m^2 - 14m - 14m + 49
4m^2 - 28m + 49

Answer: 4m²-28m+49

Step-by-step explanation:

(2m-7)² can be written as (2m-7)(2m-7).

You would have to multiply it out like this:

2m times 2m=4m² (2x2=4 and mxm=m²)

2m times -7=-14m (2x-7=-14 then put a m on it)

-7 times 2m=-14m

-7 times -7=49

The equation would then look like this:

4m²-14m-14m+49

Then you would have to collect like terms. Like terms are terms with the same variables and powers. It will then look like this:

4m²-28m+49

Hope this helps :)

71.5 71.5 What is the measure of ∠T

Answers

Answer:

37

Step-by-step explanation:

It is 37 if you’re wondering

What is the number of the parking space covered by the car?


(Im giving brainlisit)

Answers

Answer:

The number covered by the car is 87.

Step-by-step explanation:

All you have to do is turn the picture upside down, revealing a bunch of numbers in a row.

Answer:

87 but since its upside down L8

Step-by-step explanation:

The answer is L8. All of the numbers, when read upside down, are the number 86 - 91

So basically 87 but upside down it would be L8.

Translate the sentence into an inequality.
Twice c is at most 19.

Answers

Answer:

2c < 19

Step-by-step explanation:

Its not giving you an exact value of what c is so when you see "at most 19" you would use less than or equal to sign ( < ) but if instead said it "at least 19" you would use a greater than or equal to sign ( > ).

Please Help!!!!


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Answers

Answer:

20 divided by 5.^-^

Step-by-step explanation:

Answer:

The first one 20 divided by 5

Step-by-step explanation:

They split into 5 groups not groups of five

What is the formula for distance?
A. d = r + t
B. d = r – t
C. d = rt
D. d= r/t

Answers

Answer:

C) d =rt

Step-by-step explanation:

Answer: C

Explanation: none

PLS HELP ILL GIVE BRIABLIEST!

Answers

The answer b is correct

Use the picture where it says a, b, c, d those are the steps

Answers

Step-by-step explanation:

Direction: Opens down

Focus: ( 0,-0.1)

Axis of Symmerty: X=0

Directix: y=0.1

Type [tex]y=-2.5xx^{2}[/tex]  on a algebra calcator and it will show you the graph and the eqaution.

Hope this helps!

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