Mathematics High School

PLEASE HELP ME
180=3x+45​

Answers

Answer 1

Answer:

3x=180-45

3×=135

3x/3x=135/3x

=45x

Related Questions

find the value of given expression

[tex] \sqrt{25 \times 625 \times \times 25} [/tex]

​

Answers

Answer:

±625

Step-by-step explanation:

[tex]\sqrt{25 x 625 x 25}[/tex]

[tex]\sqrt{390625}[/tex]

±625

Answer:

√(25×625×25)√{5²×25²×5²)=±(5×25×5}=±625 is your answer

A store has two different brands of laundry detergent. Brand A can do 80 loads of laundry and costs $12.75. Brand B does 36 loads of laundry and costs $6.75. Which laundry detergent costs less per load?

Answers

Brand a costs less per load because b is more expensive per load
brand a is around 16 cents per load while brand b is around 19 cents per load so brand a cost lest

What package is the Best Buy?

Answers

Answer: The answer is 8 lb for $18.80

That is the answer because you have to divide in order to see which is the best buy

You have to divide $4.98 by 2lb and you will get 2.49, divide $12.25 by 5lb which equals 2.45, divide $18.80 and you will get 2.35, divide $23.70 by 10lb and you will get 2.37. So therefore you answer is C.8lb for $18.80 because 2.35 is better than the other deals.

Step-by-step explanation:

Hope this helps !

2.
What equation models the data in the table if d = number of days and c = cost?

Days
2
3
5
6
Cost
44
66
110
132

A. c = d + 22

B. c = 22d

C. d = 22c

D. c = d + 22d

Answers

Answer:  B. c = 22d

I'm gonna go with c=22d

Step-by-step explanation:  22d

C = 22d is the correct answer because for every day the cost increases by 22 so two days mean the cost is equal to 22 (2)

...............................................................................................................................................

Answer:

The equation that models the data in the table is:

                       

Step-by-step explanation:

The table that represent the days and cost is given by:

      Days Cost

          2          44

          3          66

          5           110

          6          132

We see that the cost is a constant multiple of  the number of days.

i.e. the equation is given by:

            c=22d

i.e. the relationship is linear.

( Since, when d=2

we have: c=22×2=44

when d=3 we have:

c=22×3=66

and so on )

...............................................................................................................................................

You can see that 44/2 = 22

66/3 = 22

110/5 = 22

132/6 = 22

Then, the relation between C and d is a constant.

C/ d = 22

And you can model C as:

C = 22d.

This model tells that the cost equals 22 times the days.

...............................................................................................................................................

Answer:p12q8u43u2304932456

Step-by-step explanation:

90909090909

Answer:

B

Step-by-step explanation:

It is B because c would be the total cost and 22d is $22 a day.

Hoped this helped. :)

Find x and y.

x = 18, y = 9
x = 4, y = 9
x = 4, y= 27
x = 9, y = 24

Answers

Answer:

the answer is c hope is helps

I need a quick update on wat we've been learning in 8th grade
​

Answers

U expect someone to explain EVERYTHING in 8th grade for u‍♀️

You can use the formula S = 10m^2/3 to approximate the surface area S, in square centimeters, of a horse with mass m, in grams. What is the surface area of a horse with a mass of 4.5 x 10^5 grams? Round you answer to the nearest whole square centimeter about 58,723 sq cm.

Answers

Answer:

58, 723 sq cm

Step-by-step explanation:

The total number of hours tea that Trent has practiced his guitar after D days is modeled by the equation shown t=3d

Answers

Answer:

The complete table is

d               t

1               3

3              9

5              15

Step-by-step explanation:

Here is the correct and complete question:

The total number of hours, t, that Trent has practiced his guitar after d days is modeled by the equation t = 3d.

Complete the table below.

d               t

1

3

               15

Step-by-step explanation:

For the first space, we are to determine the value of t when d is 1

From the given equation, t = 3d, put d = 1 and determine t

t = 3d

∴ t = 3(1) = 3×1

t = 3

For the second space , we are to determine the value of t when d is 3

Put d = 3 in the equation to determine t

t = 3d

∴ t= 3(3) = 3×3

t = 9

For the third space, we are to determine the value of d when t is 15.

Put t = 15 in the equation and then find d

t = 3d

∴ 15 = 3d

Divide both sides by 3

15/3 = 3d/3

5 = d

∴ d = 5  

WILL GIVE BRAINLIEST!
Find x given y = 76° in the figure below.
x =
°

Answers

Answer:

104°

Step-by-step explanation:

The straight line for [tex]q[/tex] forms an angle of 180°

Therefore,

[tex]x+y=180[/tex]

[tex]x+76=180[/tex]

[tex]x=180-76[/tex]

[tex]x=104[/tex]

X+Y=180
Y=76
X=180-76
X=104 degrees

The net of a rectangular prism is shown below. Each square represents 1 square unit.
What is the total surface area of the net shown?

Answers

Answer:

56 units²

Step-by-step explanation:

There are two bases of 3x4 and 4 sides of 2x4

Total surface area is:

2(3*4) +4(2*4) = 56 units²

Which symbol correctly compares the mixed numbers?
3 6/9 ? 3 2/3

Answers

Answer: it would be the "=" sign

Step-by-step explanation: this is because 2/3 and 6/9 are equivalent fractions. you want to find the greatest common factor between 6 and 9 which is 3. you multiply that by the numerator and denominator. therefore, the symbol that compares these mixed numbers is "=".

9,000mL= L. PLZ HELP ASAP

Answers

Answer:

9 liters

1000 ml in one liter

Step-by-step explanation:

It you want it converted to liters then
9,000 ML = 9 L

Although it is now extinct, the Carolina parakeet was last seen in Florida in 1920. Back then, large areas of habitat were logged and converted to agricultural fields. Honeybees evicted the parakeets from hollow trees where they nested. Many parakeets were shot for food and their feathers. In addition, farmers shot the parakeets to keep them from eating their seeds. What can you conclude from these observations about why the Carolina parakeet became extinct?
a.Extinction may be the result of several factors.

b.Extinction is always the result of human activity.

c.Extinction occurs when an organism adapts to changes in its environment.

d.Extinction can be reversed if conservation measures are immediately put in place.

Answers

Answer:

a

Step-by-step explanation:

?????????????????????

Answers

Step-by-step explanation:

the total angles of the triangle are 180°

so,

180° = (x - 10) + (2x + 5) + 35°

180° - 35° = (x - 10) + (2x + 5)

145° = 2x + x + 5 - 10

145° = 3x - 5

145° + 5 = 3x

150° = 3x

150/3 = x

x = 50

#CMIIW

need help, I will be gaveing out points for helpers​

Answers

Answer:

The 3rd answer

Step-by-step explanation:the

180-30\2

....

=75

30+2*75=

...

180

Answer:

30 + 2x = 180

Step-by-step explanation:

This is becuase we know this triangle is an isosceles triangle. (The two markings on the sides prove that.) An isosceles triangle is when two sides (so naturally also two angles) are the same. This means the other angle is x. We know that if we add all of the angles, we'll get 180. So, 30 + x + x = 180 or "30 + 2x = 180".

Also, x = 75.

Here:

30 + 2x = 180

30 - 30 + 2x = 180 - 30

2x = 150

2x / 2 = 150 / 2

x = 75

HOPE THIS HELPED!! HAVE AN AWESOME DAY!


HELPP PLSSS FOR BRAINLEST AND EXTRA POINTS

Answers

Answer: B.) The cost of a pizza with no toppings is $6

Step-by-step explanation:

The y-intercept shown on the graph is (0,6)

Meaning with 0 toppings, the pizza cost $6

C. The cost of a pizza with no toppings is six dollars.

Translate the sentence into an equation.
The sum of 9 times a number and 6 is equal to 8.

Answers

Answer:

Step-by-step explanation:

gracias por los puntos

9x+6 = 8
Because 9x is nine times, then you add 6, and that’s equal to 8.

Find the missing side length of a triangle with legs that are 6 feet and 8 feet long.




​

Answers

Answer:

10 feet.

Step-by-step explanation:

I am assuming this is a right triangle. We use Pythagoras theorem:

h^2 = 6^2 + 8^2

h^2 = 100

h = 10 feet.

Please help with explanation.

Answers

Y = mx + b
Use the formula
You know m = slope
And b = y intercept
Plug in the numbers
Solution: y=6x+2

Solve for x round to the nearest tenth

Answers

Answer:

5.4

Answer: The value of x rounded to the nearest tenth is 5.4.

Step-by-step explanation:

Find the measure of.. (image included)
I don't get this :(

Answers

Sup, I can’t see the photo so therefore I can’t furthermore assist oh try again to do it

Luke wants to cover this wall with blue paint.
7 m
1.6 m
3.6 m
wall
door
6.1 m
He will buy blue paint in 2.5 litre tins.
Each 1 litre of blue paint will cover 8 m2 of the wall.
How many tins of blue paint does Luke need to buy?

Answers

First find the area of the wall by splitting it into two rectangles

The first rectangle is 7m x 1.6m=11.2m²

The second is (3.6m-1.6m) x 6.1m= 2m x 6.1m= 12.2m²

11.2m² + 12.2m²= 23.4m²


2.5 litres
1litre covers 8m²
So 2.5 x8 =20m ² covered by 2.5 litres

23.4 ÷ 20 =1.17 tins

So Luke needs to buy 2 tins of blue paint

Below are the test scores that a student earned in 4 different subjects. In which subjects did this student have an average higher than 80%? Select all that apply.

Math: 82, 71, 95, 92
Reading: 74, 81, 82, 70
Science: 86, 77, 79, 90
Spanish: 68, 75, 83, 81

Answers

Answer:

Math and Science

Step-by-step explanation:

Inorder to find the average, you add up all the scores and divide it by 4.

Math average: 85%

Reading: 76.75%

Science: 83%

Spanish: 76.75%

Hoped it helped!

What is the square root of 134.66

Answers

Answer:

11.6 or 12

Step-by-step explanation:

Answer:

11.6043

Step-by-step explanation:

Hugo plays basketball.
He made 12 out of 15 shots.
Predict how many he would make if he
attempted 45.

Answers

Answer:

170

Step-by-step explanation:

multiply 12×15=170

I need help with math ​

Answers

1. x = 16
2. x = 46

Good luck

Step-by-step explanation:

1》 x + 74° = 90°

x = 90° - 74°

x = 16°

2》 x + 134° = 180°

x = 180° - 134°

x = 46°

#CMIIW

Write the formula of the function f (x) whose graph is shown.

A. f (x) = 3/x+3 +1

B. f (x) = 3/x+1 +3

C. f (x) = 3/ x-1 + 3

D. f (x) = 3/ x-3 + 1


Please help!

RATIONAL FUNCTIONS

Answers

C hope that helps have a good one

Answer: D. f (x) = 3/x-3+1

Learn more: brainly.com/question/15155257

Find the exact value of each variable.

x=
y=
z=

Answers

x = 12 SQRT2

y = 12

z = 12 SQRT3

Step-by-step explanation:

hope it helps

have a great day!!

Brian recorded the number of commercials played during two types of television shows: an educational documentary and a primetime drama. Both types of shows lasted 1 hour, including commercials. He recorded the number of commercials for 10 episodes of each type of show.

Answers

Answer:

[tex]m(x)_A = 5.2[/tex] --- Mean absolute deviation of educational documentary

[tex]m(x)_B = 4.7[/tex] --- Mean absolute deviation of prime time drama

Step-by-step explanation:

Given

[tex]n = 10[/tex]

See attachment for table

Required

Determine the mean absolute deviation of each

Mean absolute deviation m(x) is calculated as:

[tex]m(x) = \frac{1}{n}\sum |x - \mu|[/tex]

For Educational Documentary

First, calculate the mean

[tex]\mu = \frac{\sum x}{n}[/tex]

So:

[tex]\mu_A = \frac{26 + 28 + 30 + 18+27 + 18 + 20 +31+17+17}{10}[/tex]

[tex]\mu_A = \frac{232}{10}[/tex]

[tex]\mu_A = 23.2[/tex]

The mean absolute deviation is then calculated as:

[tex]m(x)_A = \frac{1}{n}\sum |x - \mu_A|[/tex]

[tex]m(x)_A = \frac{1}{10}(|26 -23.2| +|28 -23.2| +|30 -23.2| +|18 -23.2| +|27 -23.2| +|18 -23.2| +|20 -23.2| +|31 -23.2| +|17 -23.2| +|17 -23.2|)[/tex]

[tex]m(x)_A = \frac{1}{10}(|2.8| +|4.8| +|6.8| +|-5.2| +|3.8| +|-5.2| +|-3.2| +|7.8| +|-6.2| +|-6.2|)[/tex]

[tex]m(x)_A = \frac{1}{10}(2.8 +4.8 +6.8 +5.2 +3.8 +5.2 +3.2 +7.8 +6.2 +6.2)[/tex]

[tex]m(x)_A = \frac{1}{10}*52[/tex]

[tex]m(x)_A = 5.2[/tex]

For Prime time Drama

First, calculate the mean

[tex]\mu = \frac{\sum x}{n}[/tex]

So:

[tex]\mu_B = \frac{39+39+35+29+40+27+41+29+32+30}{10}[/tex]

[tex]\mu_B = \frac{341}{10}[/tex]

[tex]\mu_B = 34.1[/tex]

The mean absolute deviation is then calculated as:

[tex]m(x)_B = \frac{1}{n}\sum |x - \mu_B|[/tex]

[tex]m(x)_B = \frac{1}{10}(|39-34.1|+|39-34.1|+|35-34.1|+|29-34.1|+|40-34.1|+|27-34.1|+|41-34.1|+|29-34.1|+|32-34.1|+|30-34.1|)[/tex]

[tex]m(x)_B = \frac{1}{10}(|4.9|+|4.9|+|0.9|+|-5.1|+|5.9|+|-7.1|+|6.9|+|-5.1|+|-2.1|+|-4.1|)[/tex]

[tex]m(x)_B = \frac{1}{10}(4.9+4.9+0.9+5.1+5.9+7.1+6.9+5.1+2.1+4.1)[/tex]

[tex]m(x)_B = \frac{1}{10}*47[/tex]

[tex]m(x)_B = 4.7[/tex]

please help me. find the value of x. will mark brainliest.

Answers

sin (x) = 13/18
sin (x) = 0.722
x = inverse sine of 0.722
x = 46.2 degrees
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