Solve the equations below by SHOWING YOUR WORK. This includes how you will isolate the variable and keep the equation balanced to get your answer. You must show your work and present your answer for credit. Just an answer will result in no credit. If you are not sure what this means, take a quick look at the videos or recorded lesson. A. B. X - 3.5 = 9.1

Answers

Answer 1

Answer:

[tex]X = 12.6[/tex]

Step-by-step explanation:

Given

[tex]X - 3.5 = 9.1[/tex]

Required

Solve for X

Add 3.5 to both sides

[tex]X - 3.5 +3.5 = 9.1 + 3.5[/tex]

[tex]X = 9.1 + 3.5[/tex]

[tex]X = 12.6[/tex]


Related Questions

10pts
Cierra had $18 to spend on 6 pencils for school. After
buying the pencils she had $7.50 left. How much did
she spend on each pencil? Write an equation to represent your problem

Answers

Answer:

Step-by-step explanation:

$18-$7.50= $10.50

Answer:

f(x)=3x

f(x)=x+2

f(x)=3√3+x2

Step-by-step explanation:

pls help it’s 30 points :)

Which mathematical sentence matches the story?
A school is holding a cake sale to raise money. They are selling cakes for $1 each and soft
drinks for $.50 (50 cents) each. How many cakes and drinks do they have to sell to make
at least $100?

Answers

Answer: they will need to sell 1,000 soft  drinks and 50 cakes

Step-by-step explanation:

what line is parallel to y=7x-4

Answers

Answer:

y=7x+2

Step-by-step explanation:

The equation that i gave you is parallel to the one you mentioned

y=7x-z
replace z with any number and it will be parallel

HELP I NEED HELP ASAP

Answers

Answer:

D

Step-by-step explanation:

Help I will be marking brainliest!

A. 48
B. 124.8
C. 135.2
D. 115.2

Answers

Answer:

B.  124.8

Step-by-step explanation:

ΔBDS ~ ΔBZD

BD = 52BZ = 20BS = ?

Use ratios of similar triangles:

BS/BD = DZ/BZBS = BD*DZ/BZ

DZ = √(52²-20²) = 48

BS = 52*48/20 = 124.8

Correct choice is B

Shelley wants to purchase a cell phone package, which includes a free phone. The cost of the package is $0.10 per minute, for the number of minutes she uses the phone, plus a base rate of $89.00.

Answers

Answer:

The function would be linear because the rate of change is constant.

Step-by-step explanation:

Given

[tex]Base= \$89.00[/tex]

[tex]Rate = \$0.10[/tex] per minute

See attachment for complete question and options

First, we write the function that calculates the cost (C(t)) for t minutes.

This is calculated as:

[tex]Cost = Base + Rate * t[/tex]

[tex]C(t) = 89.00 + 0.10 * t[/tex]

[tex]C(t) = 89.00 + 0.10t[/tex]

Rewrite as:

[tex]C(t) = 0.10t + 89.00[/tex]

A function that has the above format is referred to as a linear function which has the general format

[tex]f(x) = mx + b[/tex]

Where

m represents the slope/rate and it is constant

From the list of given options, (a) is correct.

I NEeD HeLp
3 and 1/2 - 1 and 1/3 HeLp ill mark you i swear

Answers

3 1/2 - 1 1/3 becomes7/2 - 4/3 which becomes21/6 - 8/6 = 13/613/6 = 2 1/6ANSWER = 2 wholes 1/6

Find the slope and y-intercept of the line.
4)
m=
b=

Answers

Answer:

m=y = 2x + 4.

y intercept is 4

Step-by-step explanation:

6x -4=-4+6x
can i get some help with this question​

Answers

Answer:

infinite solutions

Step-by-step explanation:

At first, we try to isolate the x, but adding 4 to  -4 on both sides. Both sides have a -4 so it cancels out on both sides of the equation. Similarly, both sides also have a positve 6x, so when we subtract 6x from 6x we get 0. After simplification, we get x = x; x can be any number [ex. 1=1, 2=2, 3=3,etc.], therefore any number can fit into this equation

6x - 4 = -4 + 6x

6x - 4 + 4 = -4 + 4 +6x

6x = 6x

x = x

Answer:

infinite solutions

Step-by-step explanation:

What is To visit his grandmother, Luis takes a train 6.376.376, point, 37 kilometers and a car 5.455.455, point, 45 kilometers.

Answers

Answer: 11.82 kilometers

Step-by-step explanation:

Question is:

How many kilometers is Luis's journey in total?

Luis travelled 6.37 kilometers by train. He also travels 5.45 kilometers by car.

The total travelled is therefore:

= 6.37 + 5.45

= 11.82 kilometers

Answer:

11.82

Step-by-step explanation:

will give brainlist

the question is: the endpoints of line segment AR are A(8,-2) and R(-4,1)? round your answer to the nearest tenth​

Answers

Answer:

The answer is 12.4.

Step-by-step explanation:

The exact distance would be 3 rooted to 17 but the decimal is 12.4.

I used my graphing calculator so i can't explain much :))

Hope this helps:))

Can you help me find the value of x is.

a. 132
b. 200
c. 228
d. 256​

Answers

Answer:

C

Step-by-step explanation:

C

PLEASE HELP! WILL MARK BRANLIEST
A university has 34,590 students. In a random sample of 165 students, 11 speak three or more languages. Predict the number of students at the university who speak three or more languages.



The expected number of students at the university who speak three or more languages is____

Answers

11/165 = x/34590
165x = 380490
x=2306
The expected number of students at the university who speak three or more languages is 2,306.

complete the equation of the line whose y-intercept is (0, -1) and the slope is 4

Answers

Answer:

y=4x-1

Step-by-step explanation:

We know that the slope equation is y=mx+b. M is the slope and B is the y-intercept. M is provided to be 4 and B is provided to be -1, so all we have to do is plug them in to get the answer.

Answer:

y = 4x - 1

Step-by-step explanation:

Slope-intercept form:

y = mx + b

So, input all the values...

y = 4x - 1

Hope this helps :)

Let me know if there are any mistakes!!

Ben buys packs of golf balls with his new golf club. Write an expression for this
situation if the golf club is $45 and the packs of golf balls are $4 per pack.
Remember, we do not know how many packs of golf balls he purchased.
Expression:

Answers

Answer:

4x + 45

______

Given that ABCD is a parallelogram with diagonals intersecting at M. Segment PQ is drawn such that P lies on AB and Q lies on DC and it passes through M. Prove that PM is congruent to QM.​

Answers

Answer:

we thus have enough informnation to prove that the two triangles are congruent. Because of thism, one side of the triangles, Pm which is the congruent side to that of PQ must be equal as well and

PM = QM

Step-by-step explanation:

because it's a parrallelogram, Ad = BC and AB = DC.

P passes through both  AB and DC on a diagonal, angles created by P have oppoiste exterior angles of eachother.

the diagonals of AC create congruent angles at DMC and AMB and because P is cutting through them, the angles P cuts at DMQ and QMC are equal to that of AMP and PMB

that being said, we now see that the angles of APM triangle and AMC triangol are equal and because the diagonal of BD is is being cut by AC, which AD is parralel to BC  and AB to Dc, we know now that lines AM and MC are congruent

we thus have enough informnation to prove that the two triangles are congruent. Because of thism, one side of the triangles, Pm which is the congruent side to that of PQ must be equal as well and

thus PM = QM

The alternate interior angles formed by the parallel sides and a common

transversal are equal, such that ΔPBM and ΔQDM are congruent.

Correct response;

PM is congruent to QM  by CPCTC

How is the congruency of the segments determined?

The two column proof is presented as follows;

Statement [tex]{}[/tex]                                          Reason

ABCD is a parallelogram [tex]{}[/tex]                         Given

AC and DB are diagonals of ABCD [tex]{}[/tex]        Given[tex]{}[/tex]

M is the point of intersection of the diagonals [tex]{}[/tex] Given

MB ≅ DM, and AM ≅ CM;[tex]{}[/tex]  Properties of the diagonals of a parallelogram

∠PMB ≅ ∠DMQ [tex]{}[/tex]                                Vertical angles theorem

∠PBM ≅ ∠QDM [tex]{}[/tex]                                Alternate interior angles theorem

ΔPBM ≅ ΔQDM  [tex]{}[/tex]                               Angle-Side-Angle Congruency post.

PM ≅ QM [tex]{}[/tex]                                          CPCTC

ΔPBM is congruent to ΔQDM by Angle-Side-Angle congruency

postulate, given that they have two angles and an included side that are

congruent.

Therefore;

PM is congruent to QM by Corresponding Parts of Congruent Triangles are Congruent, CPCTC.

Learn more about congruency postulates here:

https://brainly.com/question/17003791

what is the value of y?

Answers

The value of Y is h:8.

Answer:

g. 8[tex]\sqrt{2}[/tex]

Step-by-step explanation:

since it's a 45 45 90 triangle, both the legs are the same (8) and the hypotenuse(y) would be 8 rad 2 :)

Help, =10pts
5,8,and9

Answers

Answer:

5. x = 8

8. x = 52

9. a) x/300 = 7/15

9. b) 140

Step-by-step explanation:

5.) x=8
8.) x=52
9a.) x 300 = 7/15
9b.) 140

Solve this quadratic equation using the quadratic formula.
(3- y)(y + 4) =3y -5

Answers

Answer:

y=-(2±√21)

Step-by-step explanation:

Answer:

y=-6.5

Step-by-step explanation:

help me please I am very confused T-T

Answers

i believe you do 180 - 149 because it's a linear pair, it makes a t shape!!

Answer:

x=31

Step-by-step explanation:

that is an example of suplementary angles meaning that they will add up to equal 180

180-149=31

x=31

Sixteen plus five times a number is more than the number plus 32. Write an inequality and solve it.

Answers

Answer:

x>4

Step-by-step explanation:

16+5x>x+32

5x>x+16

4x>16

x>4

Answer: answer my question

Step-by-step explanation:

Need help please!!!!!!

Answers

Answer:

x = 13.75

Step-by-step explanation:

(4x + 5) - 10 = 50

4x + 5 - 10 = 50

4x - 5 = 50

4x = 50 + 5

4x = 55

x = 55/4

x = 13.75

Please help me!!!!!!!!

Answers

$5.95 is the answer for the problem

pLz, help I really don't understand these problems at all.
Click here to see the screenshot

Answers

Answer:

1. You should use subtraction (20-12.68=7.32)

2. You should use multiplication

3. You need to know 5 boxes and $5.29

4. You need to know 10 packages and 2 cases

Step-by-step explanation:

I hope this helpss!!


Find the distance AB. Give your answers correct to 1 decimal place

Answers

Answer:

AB= 8.1

AB=7.8

Step-by-step explanation:

[tex]ab = \sqrt{ {(8 - 1)}^{2} + {(6 - 2)}^{2} } [/tex]

[tex] = \sqrt{ {7}^{2} + {4}^{2} } = \sqrt{49 + 16} [/tex]

[tex] = \sqrt{65} = 8.1[/tex]

[tex]ab = \sqrt{ {(6 - 1)}^{2} + {(2 - 8)}^{2} } [/tex]

[tex]= \sqrt{ {5}^{2} + { ( - 6)}^{2} } = \sqrt{25 + 36} [/tex]

[tex] = \sqrt{61} = 7.8[/tex]

If m = 36 degrees, then find the
m

Answers

Answer:

probablt m= 0.628

Step-by-step explanation:

Alexa is making a bracelet using beads. She uses 1 red bead for every 5 silver beads. If she uses a total of 20 silver beads, how many red beads does she use? Tingsug can you please answer this for me? pls

Answers

Answer:

4 red beads

Step-by-step explanation:

I WILL GIVE BRAINLIEST! I NEED IT ASAP!!!
Which lateral face has the largest area, the bottom one, left one, or diagonal one? What is its area?

Answers

Answer:

LSA of a cube = 100 in²

Explanation:

Let the area of the cube be a.

Given the following data;

a = 5 in²

To find the lateral surface area;

We know that a cube has four faces and as such the lateral surface area would be the area of the four faces.

Lateral surface area (LSA) of a cube = 4a²

Substituting into the equation, we have;

LSA of a cube = 4*5²

LSA of a cube = 4*25

LSA of a cube = 100 in²

Therefore, the lateral surface area of the package is 100 square inches.

THe Left one

The bottom and the left lateral face have the largest area.

The area of the prism is 96 cm³.

What is a prism?

A prism is a three-dimensional object.

There are triangular prism and rectangular prism.

We have,

The bottom one:

Lateral area.

= 12 x 4

= 48 cm²

The left one:

Lateral area.

= 12 x 4

= 48 cm²

The diagonal one:

Lateral area.

= 1/2 x 4 x 4

= 8 cm²

Now,

Area.

= ( 1/2 x 4 x 4 ) x 12

= 8 x 12

= 96 cm³

Thus,

The bottom and the left lateral face have the largest area.

The area of the prism is 96 cm³.

Learn more about prism here:

https://brainly.com/question/12649592

#SPJ3

Sandra is buying new carpet for the floors of her house. The cost depends on the area of the floors. Which is the dependent variable, and which is the independent variable?

A. The dependent variable is the cost, and the independent variable is the area of the floors.
B. The dependent variable is the number of walls in the house, and the independent variable is the cost.
C. The dependent variable is the cost, and the independent variable is the number of walls in the house.
D. The dependent variable is the area of the floors, and the independent variable is the cost.​

Answers

Answer:

A.The dependent variable is the cost, and the independent variable is the area of the floors.

Step-by-step explanation:

Because I had a quiz with the same question and got it right, and because the paragraph says "The cost depends on the area of the floors."

Answer:

A.

Step-by-step explanation:

"The cost depends on the area of the floors"

The independent variable is the cause and the dependent variable is the effect. Took the test.

the ratio is 3:1 how many parts are there​

Answers

I think it will be 6:2
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