Mathematics High School

5b2+28=
b=1.5
PLEASE HELP ME!!!

Answers

Answer 1
if b is 1.5 then sub it into the equation
5(1.5)(2)+28
=15+28
=43
Answer 2

Answer:

39.25

Step-by-step explanation:

I am assuming that 5b2 means 5b to the power of 2.

5(1.5)^2+28

5(2.25)+28

11.25+28

39.25

Related Questions

HELP PLEASE!! need this asap.
y = 4x + 3
y = -x - 2

Answers

Answer:pls check out the image. The answer is in the image ans hope this helps and can u give me brainliest

Step-by-step explanation:

x+1/3=5




help plzzzzzzz

Answers

Answer:

x = 4 2/3

Step-by-step explanation:

x = 5 - 1/3

x = 4 2/3

Answer:

x = [tex]\frac{14}{3}[/tex]

Step-by-step explanation:

Subtract [tex]\frac{1}{3}[/tex] from both sides

x + [tex]\frac{1}{3}[/tex] - [tex]\frac{1}{3}[/tex] = 5 - [tex]\frac{1}{3}[/tex]

x = [tex]\frac{14}{3}[/tex] or 4 [tex]\frac{2}{3}[/tex]

give the center and the radius of the circle of x^2+y^2+6x-8y=0​

Answers

(x+a)² + (y+b)² = R²

C (a,b)

R = 5 C( 3 , -4 )

a baby weights 7 pounds at birth. the table shows the birth weight after each month of life, up to six months​

Answers

Answer:

they are adding by 7 because 6 +7=13

El costo de un teléfono celular con un descuento del 30% sobre el precio de lista, está dado por p(x)= x-0.30x. El impuesto a pagar por un artículo que cuesta x pesos está dado por i(x)= 0.15x.
a) Hallar e interpretar i(p(x))
b) ¿cuánto pagarás por un teléfono cuyo precio de lista es de $1,200?

Answers

B is the answer to your question

find the axis of symmetry for f(x)=-3x^2+5x-6

Answers

Answer:

x= -5/6

Step-by-step explanation:

formula for axis of symmetry is

-b/2a

so,

-5/2(-3)

= -5/-6

= 5/6

John runs 6.5 miles in 30 minutes. If he continues at this rate for 1 hours, determine his rate of change .

Answers

Answer: 13 miles

Step-by-step explanation:

30 min plue 30 min is 1 hour

if he runs 6.5 in 30 you just have to add 6.5 and 6.5 which equals 13

Plz show work if ya can so I can understand this thanks

Answers

Answer:

area = 57√3 cm²

Step-by-step explanation:

lower polygon:

14-8 = 6, 6/2 = 3

3 is the base of the lower left triangle

cos 60° = 3/hypotenuse

hypotenuse = 6

height of triangle² = 6² - 3² = 45

height of triangle² = 36 - 9 = 27

height of triangle = √27 = √(9 x 3) = 3√3

area of lower polygon = 1/2(8+14)(3√3) = 33√3 cm²

upper parallelogram:

area = 8(3√3) = 24√3 cm²

total area = 24√3 + 33√3 = 57√3 cm²

Help me please??????

Answers

Answer:

according to writer it answer is 2 minute

write an equation of the line that passes through the given points (3,1) (0,10)

Answers

Answer:

y = -3x + 10

Step-by-step explanation:

10-1/0-3 = -3

y = -3x + b

1 = -3(3) + b

1 = -9 + b

10 = b

check your answer:

10 = -3(0) + 10

10 = 10

b should be 10

HELP ME PLZZ, ASAP!!

Answers

I’d say first, second and last I’m not sure tho, so don’t take my word for it

6) Brad's father asked an engineer to survey the field behind their house. He wanted to plant some orange and tangerine trees there. According to the survey, the field is thirty metres long and twenty-six metres wide. What is the perimeter of the field in kilometres?

Answers

Answer:

the perimeter of the field in kilometers is 112 km

Step-by-step explanation:

The computation of the perimeter of the field in km is shown below:

As we know that

Perimeter is

= 2(length + width)

= 2(30 + 26)

= 2 (56)

= 112 km

Hence, the perimeter of the field in kilometers is 112 km

Parallel lines cut by a transversal

Answers

Answer:

x=5

Step-by-step explanation:

Hello There!

The angle labeled 20x and the angle that has a measure of 80 degrees are supplementary angles meaning the sum of the two is 180

so we can create an equation to solve for x

180=80+20x

step 1 subtract 80 from each side

80 - 80 cancels out

180-80=100

100=20x

step 2 divide each side by 20

100/20=5

20x/20=x

we´re left with x=5

8 (hope this helps you)

The graph below shows a company's profit f(x), in dollars, depending on the price of goods x. in dollars, being sold by the
company:


Part A: What do the x-intercepts and maximum value of the graph represent?

Part B: What are the intervals
where the function is increasing and decreasing, and what do they represent about the sale and
profit?

Part C: What is an approximate average rate of change of the graph from x = 1 to x = 3, and what does this rate represent?

Answers

Answer:

What do the x-intercepts and maximum value of the graph represent? The x-intercepts represent the points at the ground, so with that you have the width of the tunnel at ground level is 120 ft - 0 ft = 120

Step-by-step explanation:

A train travels 20 miles in 15 minutes. how far will it travel in an hour and a half

Answers

Answer:

120

Step-by-step explanation:

One hour is 90 minutes 90/15=6 then you take 20X6=120miles

Answer:

It will travel 120 miles

Step-by-step explanation:

First, convert the hour and half to minutes: 90 minutes.

Then divide 90 with 15: 6

Then since there are 6 sections of 15 minutes, you would multiply 20 times 6 which is 120.

Law of Sines: Homework please help

Answers

Answer:

37+12 =49_218+54=4554472287/41

For problem 5, use the ordered pairs to answer the following question. MUST SHOW YOUR WORK FOR FINDING SLOPE.

Answers

Answer:

graph them and then see if they intersect(but if you notice that the coordss of the second line are all smaller than the coords of the first line, meaning that they wont be touching at all)

Step-by-step explanation:

I need the answer for real fast. Question below

A square has a perimeter of 12x + 52 units. Which expression represents the side length of the square in units?


x + 4

x + 40

3x + 13

3x + 43

Who started the whole link thing anyways?

Answers

Answer:

It's x + 4

Step-by-step explanation:

And I don't know who started this link thing

Hope this helps and have a great day *(:^w^:)

Answer:

It's 3x + 13

Step-by-step explanation:

brainlyest ^（｀ω´ ）^ψ

i need to talk with you

52/4=13

12x/4=3x

3x+13

find the value of given expression

=》
[tex] \sqrt{901 - 5 + 4} [/tex]


​

Answers

Step-by-step explanation:

Answer is 30 I hope this help you

Question 16
What is the slope of a line passing through (2, 2) and (3,5)?

Answers

5 because of slope equation

what is the exact value of cos5pie/12

Answers

Answer:

Exact Form: −e12

Decimal Form: −0.22652348…

Step-by-step explanation:

Plz, answer this question plz!

Answers

Answer:

the second option im pretty sure

Answer:

4/48. I don't know for sure, but I think B is the correct answer

Given the equation of the line -6x + 2y = 10

Answers

Answer:

x=  1 /3 y+ −5 /3

y=3x+5

Step-by-step explanation:

brainliest?

Answer:

Give my man brainliest

Step-by-step explanation:

Don't report this

A painter can paint 120 square feet with 4 gallons of paint. Which statement about the unit rate is true?

Answers

Answer:

30 (ft^2/gal)

Step-by-step explanation:

The "unit rate" in this problem is (number of square feet covered) / (1 gallon paint).

Here we have the unit rate

120 ft^2

---------------- = (30 ft^2)/gal or 30 (ft^2/gal)

 4 gallons

What is the slope of the line through the points (-4, 2) and (-16, -6)? ​

Answers

Answer:

m=2/3

Step-by-step explanation:

a=960 rounded to the nearest 10
b=89.0 rounded to 1 DP
Find the minimum (to 2 DP) of a÷b

Answers

Step-by-step explanation:

a÷b=960÷89=10.78651685=10.79 or 17.8

pls help! ill give brainless to the best answer !!

what is 25% of 75? show your work.

Answers

Answer:

18.75

Step-by-step explanation:

25% of 75 =

0.25 x 75 =

18.75

Hope that helps!

Answer:

18.75

Step-by-step explanation: I don't really know what work to show it was all mental

What is the value of x

Answers

b is your correct answer hope help you

A square pyramid is shown. 4 m 6 m 6 m What is the surface area of the pyramid?​

Answers

The answer is 18....


How many cubes with side lengths of 1/3
cm does it take to fill the prism?

Answers

Answer:

48 cubes

Step-by-step explanation:

You could fit these cubes with side lengths of 1/3 cm inside a rectangular prism with dimensions of 1 cm x 2 2/3 cm x 2/3 cm.

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