Need help with these plz

Need Help With These Plz

Answers

Answer 1

Answer:

6. Not so clear

7. 72 degrees

8. 5x + 60 = 180

9. 15 degrees

10. C

Step-by-step explanation:

7. 4x + 12 + 3x + 4 = 121 So this is the equation for the whole angle ADC.

7x + 16 = 121 Collect like terms

7x + 16 - 16 = 121 - 16 Bring 16 to the other side of the equation

7x / 7= 105 / 7

x = 15

After finding the value of x substitute it into the equation for angle ADB thus:

4 ( 15 ) + 12 = 72 DEGREES

8. When those two angles meet they form an angle in a straight line thus they sum to 180 degrees.

9. So we already know of all angles except for 1 which is the one you need to find and what you simply do is:

Add 120 + 30 + 15 = 165

Then subtract 165 from 180 because they are angles in a straight line:

180 - 165 = 15 degrees

10. The answer is C because they are adjacent and they form a perpendicular.

HOPE THIS HELPED


Related Questions

6 more than 2 times a number m

A.2m-6
B.6(2m)
C.8+m
D.6+2m​

Answers

Answer:

D. 6+2m​

Step-by-step explanation:

times means multiplication.

more than means addition.

6 + 2 * m

6 + 2m

Best of Luck!

Please help me. 20 Points with explanation.

Answers

Answer:

See Below.

Step-by-step explanation:

Square roots deal with multiplication, so if you can simplify to an even square, you can pull out the integer.

sqrt(75) = sqrt(25×3) = sqrt(25)×sqrt(3) = 5×sqrt(3)

((50 is 25×2, so same 5, but with sqrt(2), not 3))

So...

5 / (5×sqrt(3) - 5×sqrt(2)) = 5 / (5×(sqrt(3) - sqrt(2)))

5's cancel out

1 / (sqrt(3) - sqrt(2))

If you multiply top and bottom by (sqrt(3) + sqrt(2)) (which doesn't technically alter anything, since anything over itself is just 1), you get...

(sqrt(3) + sqrt(2)) / ((sqrt(3))^2 - (sqrt(2))^2 + (sqrt(3)×sqrt(2)) - (sqrt(2)×sqrt(3)))

Which simplifies to...

(sqrt(3) + sqrt(2)) / (3 - 2) = (sqrt(3) + sqrt(2)) / 1 = sqrt(3) + sqrt(2)

How much of the total population of the earth does 16 people make up?


So currently there are roughly 7.9 Billion people on the earth. What percentage of that does 16 people make up?

Answers

Answer:

Australia/New Zealand (56%), Northern Africa and Western Asia (46%), Australia/New Zealand (28%), Central and Southern Asia (25%), Latin America and the Caribbean (18%), Eastern and Southeastern Asia (3%), and Europe and Northern America (2%).

Step-by-step explanation:

HELPPP PLSSSSS!!!!!!!!!

Answers

Answer:

3x³+10x²-8x-2

Step-by-step explanation:

(-3x³+7x²-8x+11)-(-3x²+13)

remove unnecessary parentheses

-3x³+7x²-8x+11-(-3x²+13)

collect like terms

-3x³+10x²-8x+11-13

ans=

-3x³+10x²-8x-2

i’m so confused on how to set up the problem

Answers

180/8 =22.5 22.5•20=450 miles

Umm i need help with this thing pls hurry

Answers

Answer:

25×4

Step-by-step explanation:

As 24 dollars is one ticket then you do 24×4 which is 96 and 25×4 is 100 which is close to 96.

Hope this helps

The value of a car dropped from $23,600 to $21,900 over the last year. Determine the actual and relative change in this situation.


Actual Change: ? This car's value decreased by $

last year.

Round your answer to the nearest dollar.


Relative Change: ? This car's value decreased by

% last year.

Round your answer to the nearest tenth of a percent.

Answers

Answer:

The actual change in the car's value is $[tex]1700[/tex] and the relative change is [tex]7.20[/tex]%.

Step-by-step explanation:

It is given that the value of a car is dropped from $[tex]23600[/tex] to $[tex]21900[/tex].

So, the change in the value is the drop in the value of car, which is, [tex]23600-21900=1700[/tex].

So, the actual change in this car's value is $[tex]1700[/tex].

The relative change can be given by the expression,

[tex]\dfrac{\:\rm{Actual Change}}{\:\rm{Original Value}}\times100[/tex]

Substituting values, the relative change can be given by,

[tex]\begin{aligned}\dfrac{1700}{23600} \times 100&=\dfrac{1700}{236}\\&=7.20\end{aligned}[/tex]

Use the midpoint formula to find the midpoint of the segment whose endpoints are
(3,-2) and (-5, 8).
O (4, 5)
.0 (-1, )
O (1, -3)
0 (-1, 3)

Answers

Answer:

(-1;3)

(3 - 5)/2 = -1

(-2 + 8)/2 =3

Midpoint of segment (3, -2) and (-5, 8) is (-1, 3).

The midpoint formula allows us to find the point that lies exactly halfway between two given points on a line segment. For two points represented as (x₁, y₁) and (x₂, y₂), the midpoint ([tex]x_m[/tex], [tex]y_m[/tex]) is calculated using the formula:

[tex]x_m[/tex] = (x₁ + x₂) / 2

[tex]y_m[/tex] = (y₁ + y₂) / 2

Now, let's apply this formula to find the midpoint of the segment with endpoints (3, -2) and (-5, 8):

x₁ = 3, y₁ = -2

x₂ = -5, y₂ = 8

[tex]x_m[/tex] = (3 + (-5)) / 2 = (-2) / 2 = -1

[tex]y_m[/tex] = (-2 + 8) / 2 = 6 / 2 = 3

So, the midpoint of the segment is (-1, 3).

In this explanation, we used the midpoint formula, represented by the subscript "m," to find the midpoint ([tex]x_m[/tex], [tex]y_m[/tex]) of the segment with endpoints (x₁, y₁) and (x₂, y₂). By substituting the given coordinates into the formula, we computed the x-coordinate and y-coordinate separately. The midpoint gives the exact center of the segment, dividing it into two equal parts. In this case, the midpoint lies at (-1, 3), which is indeed the point that is equidistant from both (3, -2) and (-5, 8) on the line segment.

To know more about Midpoint here

https://brainly.com/question/29997456

#SPJ2

is −8n−7 the same as -7-8n

Answers

Answer:

yes

Step-by-step explanation:

because we are simply "adding" 2 negative numbers.

-8n + -7 = -7 + -8n

as long as we flip the terms around with their signs, the commutative principle of addition applies.

what we CANNOT do is e.g.

8n - 7 = 7 - 8n

THERE would be a problem.

but again, by also keeping the signs with the terms, it is all OK.

so, yes, we could also do

8n - 7 = -7 + 8n

that is true again.

Answer:

Yes

Step-by-step explanation:

They give the same value

Example:       -3-2 and -2-3 give the same value.

70. Evaluate c-3d when c = 1 and d = 1/3

Answers

Answer:

[tex]c - 3d = 1 - 3( \frac{1}{3} ) = 1 - 1 = 0[/tex]

I hope I helped you^_^

The hundreds digit of my number is less
than the tens digit. The ones digit is greater than
the tens digit. What could my number be?

Answers

Answer:

Step-by-step explanation:

6 7 8 is one possibility

789 is another choice.

123 even works.

So how many numbers are there like this?

You can't have 0 in the 100s place and you can't have 8 0r 9

So there are 7 numbers 1 2 3 4 5 6 7 possible choices for the hundreds.

You can't 0  in the tens place nor 1 nor 9

You  can't have 0 or 1 or 2 in the units place

In all I think you could write 84 such numbers.

At 4 p.m., the temperature started to change drastically. Each hour, for three hours, the temperature decreased by 7°F. Which word in the problem indicates that a negative integer should be used?

Answers

The word decreased indicates that a negative internet should be used

2) How many cups are in two gallons?
Reference: 1 gallon = 4 quarts; 1 quart = 2 pints; 1 pint = 2 cups

Answers

Answer:

I think 32 cups in 2 gallons

Evaluate the expression when a=5 and b=4.
8a+b

Answers

Answer:

44

Step-by-step explanation:

Put in the terms.

8(5)+4

Multiply 8x5

40+4

Add

44

Answer:

44. if a = 5 and b = 4 then 8a = 8(5). 8(5) = 40. 40 + (4) = 44. hope this helps

Step-by-step explanation:

- Zombie

An old principle of public landscaping says "build sidewalks last." In other words, let
the people find their chosen paths and then build the sidewalks on the paths. The
picture below shows a campus quadrangle that measures 40 meters by 30 meters.

Answers

The path between each building is an illustration of Pythagoras theorem.

The sidewalk between library and humanities is 21.21 metersThe sidewalk between chemistry and humanities is 29.15 metersThe sidewalk between chemistry and humanities is 36.06 meters

See attachment for a copy of the given image.

The sidewalk between library and humanities

This is represented with (a).

The value of (a) will be calculated using Pythagoras theorem.

So, we have:

[tex]a^2 = 15^2 + 15^2[/tex]

[tex]a^2 = 450[/tex]

Take square roots

[tex]a = 21.21[/tex]

Sidewalk between chemistry and library

This is represented with (d).

First calculate the value of (b) and (c)

[tex]c + 15 = 30[/tex]

So:

[tex]c = 15[/tex]

Also:

[tex]b + 15 = 40[/tex]

So:

[tex]b = 25[/tex]

The value of (d) will be calculated using Pythagoras theorem.

[tex]d^2 = b^2 + c^2[/tex]

[tex]d^2 = 25^2 + 15^2[/tex]

[tex]d^2 = 850[/tex]

Take square roots

[tex]d = 29.15[/tex]

The sidewalk between chemistry and humanities

This is represented with (e).

The value of (e) will be calculated using Pythagoras theorem.

[tex]e^2 = d^2 + a^2[/tex]

[tex]e^2 = 850 + 450[/tex]

[tex]e^2 = 1300[/tex]

Take square roots

[tex]e = 36.06[/tex]

Learn more about Pythagoras theorem at:

https://brainly.com/question/343682

Given that set C is the negative Integers greater than -10, which elements of set C are less than or equal to -5? (Enter your answers as a comma-
separated list.)

Answers

Answer:

{-9,-8,-7,-6,-5}

Step-by-step explanation:

Set C is negative Integers greater than -10

{-9, -8, -7, -6, -5, -4, -3, -2, -1}

Elements less than or equal to -5

{-9, -8, -7, -6, -5}

2.932789 rounded to the nearest hundredth

Answers

You find the hundredth and go to the thousandth and if it’s more than four round up if it’s less it’s rounded since it’s a 2 you round down making it 2.93

7w + (-11w)

help i suck at math thank you

Answers

Answer:

-4

Step-by-step explanation:

7w + (-11w)

Postive negative negative

7w-11w

= - 4

=4 the answer is your welcome

this is common thing for students to mix up. in your own words, explain the difference between the statements find f(5) and find f(x) =5

Answers

Answer:

i got u

Step-by-step explanation:

HELP ASAP:
The graph of a function g is shown below.
Use the graph of the function to find its average rate of change from x=-1 to x=3.
Simplify your answer as much as possible.

Answers

Step-by-step explanation:

the rate of change (like the slope for a line) is expressed by y/x.

for x = -1 we get y = -3

for x = 3 we get y = 5

so, while x changes by 4 units (-1 to +3), y changes by 8 units (-3 to +5).

so, the average change rate in that interval is 8/4 = 2/1 = 2

What is 91 divided by 8465 remainder needed

Answers

91 ÷ 8645 = 1 ÷ (8645 ÷ 91) =

9 5 r 0

9 1 | 8 6 4 5

– 8 1 9

_____________

4 5 5

− 4 5 5

0

Thus 91 ÷ 8645 = 1 / 95 r 0

f(x) = -4x + 10
g(x) = x2 + 7x+ 5
Composition of functions how to solve value of g [f(4)]

Answers

9514 1404 393

Answer:

  g(f(4)) = -1

Step-by-step explanation:

Evaluate this the way you would any function. Start with the inner parentheses according to the order of operations. Substitute for the function variable and do the arithmetic.

  g(f(4)) = g(-4·4 +10) = g(-6) = (-6)² +7(-6) +5 = 36 -42 +5

  g(f(4)) = -1

In a small mall, there are
4 shoe stores for every 10 clothing stores. If there
are 280 shoe stores. How many clothing stores
are there?

Answers

Answer:

700

Step-by-step explanation:

280÷4=70  or you could do 28÷4=7 then add the 0's afterword.

70•10= 700

The equation x+9/7 =15 can be solved by performing two operations on both sides. State the operations in order of use. There may be more than one correct answer.
A. Multiply both sides by 7 first, then subtract 9 from both sides
B. Subtract 9 from both sides first, then multiply both sides by 7
C. Divide both sides by 7 first, then subtract 9 from both sides
D. Subtract 9 from both sides first, then divide both sides by 7
E. Multiply both sides by 7 first, then divide both sides by 9
F. None of the above

(b) Give the solution of the equation x+9/7 =15.
X= ?

Answers

E. None of the above.
The closest is A which gives
7x + 9 = 105
7x = 96 but then doesn’t find the value of x

(b) x = 96 / 7 = 13 5/7

What is the surface area of the triangular prism?

Answers

I hope you understood!! :)

PLEASE HURRY IM IN A RUSH!!!<3

Answers

Answer:

64 and 100 are the squares

Answer:

[tex]8^{2} = 8*8=64\\10^{2} = 10*10=100[/tex]

Step-by-step explanation:

Hope it helps,... Chow,...!

- 1/4x - 6 =2
Wgats the value of x please work it out for me

Answers

Answer:

= −32

Step-by-step explanation:

Write a formula for fogoh, where f(x) = x + 1, g(x) = - 3x, and h(x) = 5 - X.
(fogoh)(x) =

Answers

Step-by-step explanation:

f(x) = x + 1

g(x) = -3x

h(x) = 5-x

find fogoh

first we find fog

f(g(x)) = -3x + 1

then we find fogoh = -3(5-x ) +1

= -15 + 3x +1

= 3x -14

20.
Marlene made aprons to sell in her online store.
She paid $164.58 for supplies.
She charged $9.35 for each apron she sold.
Marlene sold 32 aprons. What was Marlene's profit in dollars
Enter your

Answers

i got $134.62, let me know if this works please

. Pencils are sold in packages of 10, and erasers are sold in packages of 6. What is the least number of pencils and erasers you can buy so that there is one pencil for each eraser with none left over?​

Answers

Answer:

3 packs of pencils

5 packs of erasers

Step-by-step explanation:

To solve this problem, find the least common multiple. The least common multiple is the smallest number that both terms are a factor of. In this case, that number is 30. Both 10 and 6 are a factor of 30. So, the answer is the other factor needed to get 30 through multiplication. 10's other factor is 3 and 6's other factor is 5. Therefore, the answers are 3 and 5 respectively.

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