Evaluate the expression when b= -4 and x= 2. b-7x​

Answers

Answer 1

Answer:

Step-by-step explanation:

b  - 7x = (-4) - 7*2

          = -4 - 14      {both numbers have same sign, so add and put the - sign for the result}

         = -18


Related Questions

factor completely 49-121x^2

Answers

Answer:

(7+11x)(7-11x)

Step-by-step explanation:

pls make brainliest

20 quarts = ? x (1 quart ) = ? x 1/4 gallon = ? gallons

Answers

Answer:

20 quarts = 20 x (1 quart ) = 20 x 1/4 gallon = 5 gallons

Step-by-step explanation:

Evaluate-
2|m-3x|-p

If m=-1, x=2, and p=4
please help asap
thank you ​

Answers

Answer: 10

Step-by-step explanation:

2|-1-(3)(2)|-4

2|-1-6|-4

2|-7|-4

absolute value; |-7| = 7

(2)(7) - 4

14 - 4 = 10

please give me a brainliest answer

What type of System if the two linear equations have only one solution?

Answers

An independent system

See question in image.​

Answers

Step-by-step explanation:

The dimensions are given in the attached picture.

Find the slant height L first:

L = [tex]\sqrt{(B - b)^2+h^2} =\sqrt{(5-3)^2+4.8^2}= \sqrt{27.04} =5.2[/tex]

Total surface area of the frustum:

TSA = [1/2*4*5.2*(10+6)] + 6² + 10² = 302.4 cm²

Find the height H of the pyramid using similar triangles.

The big triangle (sides H and 5) is similar to smaller one (sides 2 and 4.8) per AA similarity.

The ratio of corresponding sides:

H/4.8 = 5/2H = 4.8*2.5H = 12 cm

Round 85903 to the nearest hundred

Answers

Answer:

uh huh well the 9 is the hundreds place and 3 doesn't do anything besides go down and 0 stays so the answer would be 85900

If point k is at (-3,2) where will it be when it is reflected over the line y=1 and then rotated 90 degrees?

Answers

Answer:

(0,-3)

Step-by-step explanation:

(-3,2) reflected over the line y=1 is (-3,0)

Now rotated 90 degrees over what, and in which direction?

Im going to assume that the rotation is counter clockwise over the origin because that is standard when not mentioned. ¯\_(ツ)_/¯

That would be: (0,-3)

Yw! :D

which equation or inequality shows the relationship between the plotted points on the number line
A. -4 > 3
B. -4 > -3
C. 3 > -4
D. 3 < -4

Answers

Answer:

C.3>-4

Step-by-step explanation:

I I can't agree with a b and d cause a shows that -4 he's greater than three but that is wrong because three is greater than -4 and part B shows that -4 is greater than -3 and according to the order of the number line -3 must be greater than negative 4 then part d shows that 3 is less than -4 which is also not correct because 3 is greater than -4 and part C shows the relationship between the plotted points on the number line clearly because 3 is greater than-4

Last Saturday, Taamir, Ali, Jaafar and Amal scored a total of 500 runs at cricket. Which of these statements must be true?
A) Each player made over 100 runs.
B) Each player made exactly 125 runs.
C) No player made over 250 runs.
D) At least one player made over 100 runs​

Answers

Answer:

D  At least one player made over 100 runs​

Step-by-step explanation:

At least means that more than one player made over 100 runs. Seeing as there are 4 people scoring a total 500 runs, a player had to make over 100 runs to reach the total of 500 runs collectively

The three sides of an equilateral triangle are equal in length. What is the perimeter of the equilateral triangle shown? 18 mm​

Answers

Answer: 6mm

Step-by-step explanation: It is an equilateral triangle so all equal length so 18/3 sides equal to 6mm

All of the points in the graph are on the same line.
What is the x-value when y=0?

Answers

Answer:

x = -5

Step-by-step explanation:

A painter earns $15 per hour. What is the minimum number of hours he must work to earn at least $200? Write an inequality to represent this situation and solve. Show your work.
PLEASE DO STEP BY STEP BECAUSE IT NEEDS ME TO SHOW MY WORK!
BEST ANSWER GETS BRAINLIEST! :) TYSM I NEED ANSWER ASAP

Answers

Answer:

40/3

[tex]15 \times x = 200 \\ 15x = 200 \\ x = 200 \div 15 \\ x = \frac{40}{3} [/tex]

The painter should work at least 13.33 hours to earn $200.

What is inequality?

An inequality is a mathematical statement showing the non-equal comparison between two expressions.

Given that, a painter earns $15 per hour. We need to find the minimum number of hours he must work to earn at least $200,

So, let the minimum number of hours be x,

15x ≥ 200

This will be the inequality,

To find the minimum number of hours we will find the value of x,

15x ≥ 200

Divide by 15

x ≥ 200/15

x ≥ 13.33

Hence, the painter should work at least 13.33 hours to earn $200.

Learn more about inequality, click;

https://brainly.com/question/30228778

#SPJ2

find the value of x and y.​

Answers

Answer:

x=6

y=24

Step-by-step explanation:

14x+4+16x-4=180

30x=180

x=6

14(6)+4=4y-8

84+4=4y-8

88=4y-8

96=4y

24=y

A printing service charges a set up fee of $8.00 for each order and 20 cents more for each copy. The total cost, C ( in dollars ), for an order of x copies is given by the following.
C= 8.00+0.20x
What is the total cost for an order of 50 copies?

Answers

Answer:

$18

Step-by-step explanation:

.20 x 50 = 10 + 8 = 18

will mark as brainliest plz helpp​

Answers

x - √3y - 4 = 0 → Choice A

Step-by-step explanation:

x - 4 = √3y

x - 4 - √3y = √3y - √3y

x - 4 - √3y = 0

x - √3y - 4 = 0

For a class gardening project,
3/8 of Mrs. Dotson's class planted marigolds and
1/8 planted tulips. What Fraction of the class planted
either marigolds on tulips.

Answers

Answer: 1/2 of his class planted marigolds and tulips

Step-by-step explanation:

3/8 + 1/8 = 4/8 simplify and you get 1/2

simplify
8 m − n − n + 2 m

Answers

Answer:

2(5m-n)

Step-by-step explanation:

Answer:

10m-2n

Step-by-step explanation:

hope this helps :)

Need help ASAP 50 points

Answers

Answer:

3

Step-by-step explanation:

subsititute the f value which is 2 into the equation so 1+(2)=3


6 ÷ 10 I need help show my work and knowing the answer

Answers

Answer:

hope it hepls uou...see u soon....

Step-by-step explanation:

6/10

3/5

CAN SOMEONE PLS HELP IM TRYING TO GET TO BLOCK 2 <3

Answers

Answer:

click them all

Step-by-step explanation:

Answer:

OPTION 1, 3

Step-by-step explanation:

I don't know how to explain why these are the correct options, except for basing my observations from the given graph.

Option 1: Attah Shipping does deliver a 20-kg package for $60 [as given by coordinates, (20, 60) -- orange line].

Option 3: The 30-kg line is the last, right-most line on the graph. That's the last point where Kwan Shipping's blue line crosses (within the observable region of the graph). If you look carefully, it is the same height as where Attah Shipping's 25-kg mark is. This means that a 30kg package costs $75 for Kwan Shipping, while it costs Attah Shipping $75 to ship a 25kg package. (You could draw a horizontal line across y = 75 to see what I'm talking about).

Please mark my answers as the Brainliest if you find my explanations helpful :)

[tex]\boxed{\bf Hello\:Math\:Magicians!}[/tex]

A sphere has a volume of 764m^3.Find it's total surface area(TSA) and lateral surface area(LSA) .


[tex]\underline{\bf Note:-}[/tex]

[tex]\star[/tex]Answer must be well explained.
[tex]\star[/tex]Answer should be of your own .No plagiarism from other sites
[tex]\star[/tex]Spammers/Copy cats kindly stay away from this question .


Answers

Answer:

≈ 404 m²

Step-by-step explanation:

Volume of a sphere:

V = 4/3πr³

LSA = TSA of a sphere:

S = 4πr²

We have V = 764 m³, find the radius:

4/3πr³ = 764r³ = (3*764/4π)r³ = 182.39 (rounded)r = √182.39r = 5.67 m (rounded)

Find the surface area:

S = 4*π*(5.67)²S = 404 m² (rounded)

[tex] \boxed{\tt{ \bold{Hello\:Mister\:Brainly!}}}[/tex]

____________

Step by step :

S = 4πr²

S = 4π × (V = 4/3πr³)²

S = 4π × (764 = 4/3 × 3,14 × r³)²

S = 4π × (764 × 3/4 = 3,14r³)²

S = 4π × (573 ÷ 3,14 = r³)²

S = 4π × (r³ ≈ 182,5)²

S = 4π × (r ≈ 5,67)²

S = 4 × 3,14 × 5,67²

S ≈ 404m²

PLEASE!!!!!! HELP ME!!!!!!!!!!!!!!

Answers

Answer:

Please Help me in my questions

The sum of three consecutive even integers is 264. What are the integers? (show your work)

Answers

Answer:

1 Expert Answer

X + Y + Z = 264. Since Y is 1 bigger than X, Y = X + 1. Since Z is 1 bigger than Y, Z = Y + 1. But Y = X + 1, so Z = (X + 1) + 1 = X + 2.

1. What is the Standard Form of the line with x-intercept of 6 and y-intercept of 2?
2x + 6y = 8
6x + 2y = 8
6x + 2y = 12
2x + 6y = 12

Answers

Step-by-step explanation:

these intercepts are also points.

for an y- intercept x =0.

for an x- intercept y = 0.

so, we have the points (6,0) and (0, 2).

the regular equation for a line is

y = ax + b

(0, 2) gives us b directly :

2 = a×0 + b = b

and from there with the second point

0 = a×6 + 2

0 = 3a + 1

-1 = 3a

a = -1/3

so, the equation is

y = (-1/3)x + 2

and transform to standard form

3y = -x + 6

x + 3y = 6

that is the same as

2x + 6y = 12 of the answer options.

Given the coordinates below, what is AB and what is the midpoint of AB

A (-6, -10), B (2, 5)

Answers

Answer:

AB is 17 and the midpoint of AB is (-2, - 2.5).

Step-by-step explanation:

Steven, Stacy, and Jimmy all go to an amusement park. Their combined entry fee for the park is $44. All three friends bought a soda, which was $2 each, and nachos. At the end of the day, they spent a total of $71. How much did each order of n,nachos, cost?

Answers

Answer:

$7

Step-by-step explanation:

They spent $71.

Entry fee: $44

Soda: 3 * $2 = $6

$71 - $44 - $6 = $21

They spent $21 on nachos.

$21/3 = $7

Answer: $7

Answer:

$7

Step-by-step explanation:

After paying for the fee and soda, they are left with $21 for the nachos making it $7 each for the nachos

PLEASE HELP ME!!! ASAP!!!

Answers

The answers are
A=3
B=6

what function models the height of the periscope lens at time t? If the periscope reaches its maximum Heught after ascending for 22 seconds, what is the maximum height in feet? ( 24 inches above the surface and ascends at 6 inches per sec.)​

Answers

Answer:

Step-by-step explanation:

First we are going to find the function which models the height of the

periscope lens at time t.

Let the 2 be height of the periscope.

The height of the periscope at the beginning is 24 inches. It ascends at 6

inches per second. The expression which describes how much it has raised,

at the moment, is 6t.

The function is sum of beginning height and how much it has raised, 2 = 24 + 6t.

To find maximum height of the periscope, we need to evaluate function

for + = 22.

2 = 24 + 6(22)

= 24 + 132

156

Substitute 22 for t.

Multiply.

Maximum height in inches is 156.

We know that 1 foot is 12 inches.

So the function that describes converting feet to inch is y :

= 12x. Where y

represents number of inches and a number of feet.

U = 12.2

156

12x

12

-n=

156

12

2 = 13

Substitute 156 for y.

Divide both sides by 12.

Maximum height in feet is 13.

The height function modeled by the periscope is an illustration of a linear function.

The height function modeled by the periscope is  [tex]\mathbf{h(t) = 24+ 6t}[/tex]The maximum height is 156 inches

The given parameters are:

[tex]\mathbf{Start = 24\ inches}[/tex]

[tex]\mathbf{Rate = 6\ inches/second}[/tex]

The function model of the height is calculated using:

[tex]\mathbf{h(t) = Start + Rate \times t}[/tex]

Where: t represents the time in seconds

So, we have:

[tex]\mathbf{h(t) = 24+ 6\times t}[/tex]

This gives

[tex]\mathbf{h(t) = 24+ 6t}[/tex]

After 22 seconds, the height of the periscope would be

[tex]\mathbf{h(22) = 24+ 6 \times 22}[/tex]

Multiply

[tex]\mathbf{h(22) = 24+ 132}[/tex]

Add

[tex]\mathbf{h(22) = 156}[/tex]

Hence, the maximum height is 156 inches

Read more about linear functions at:

https://brainly.com/question/21107621

PLEASE HELP DUE TODAY NO LINKS WILL REPORT

Answers

hi!! the answer should be the third one down. pi is an irrational number because it goes on forever in an infinite pattern and cannot be expressed as a fraction :)

what is 3x+3=6x-57 i need ur help

Answers

Answer:

x=20

Step-by-step explanation:

Answer:

x=20

Step-by-step explanation: Sorry the explination is long i got it of a website i use for my math tests.

Simplifying

3x + 3 = 6x + -57

Reorder the terms:

3 + 3x = 6x + -57

Reorder the terms:

3 + 3x = -57 + 6x

Solving

3 + 3x = -57 + 6x

Solving for variable 'x'.

Move all terms containing x to the left, all other terms to the right.

Add '-6x' to each side of the equation.

3 + 3x + -6x = -57 + 6x + -6x

Combine like terms: 3x + -6x = -3x

3 + -3x = -57 + 6x + -6x

Combine like terms: 6x + -6x = 0

3 + -3x = -57 + 0

3 + -3x = -57

Add '-3' to each side of the equation.

3 + -3 + -3x = -57 + -3

Combine like terms: 3 + -3 = 0

0 + -3x = -57 + -3

-3x = -57 + -3

Combine like terms: -57 + -3 = -60

-3x = -60

Divide each side by '-3'.

x = 20

Simplifying

x = 20

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