Answer: x=-2, or d
Step-by-step explanation: brainlest please
Please help!!! Look at the attachment for the question please
Answer:
#2 is 135 and #1 is 45
Audra is looking at a diagram of an oxygen atom. Which particle(s) does she see inside the nucleus?
plz help this is like 30% of my grade :)
Answer:
C: protons and electrons are found in the nucleus.
Step-by-step explanation:
Ok! So all atoms are composed of three basic things, protons, neutrons, and electrons. There are two parts of an atom, the nucleus and the electron cloud that surrounds the nucleus. In the nucleus are the protons and neutrons, and in the electron cloud are the electrons. Therefore, the answer would be C: protons and electrons are found in the nucleus.
Protons and electrons are found in the nucleus. The correct option is C.
What are protons and electrons?A subatomic particle with a negative charge is an electron. A subatomic particle having a positive charge is called a proton. Protons are bound together in an atom's nucleus as a result of the strong nuclear force. A type of subatomic particle without charge is the neutron (they are neutral).
All atoms are composed of three basic things, protons, neutrons, and electrons. There are two parts of an atom, the nucleus and the electron cloud that surrounds the nucleus. In the nucleus are the protons and neutrons, and in the electron cloud are the electrons.
Therefore, the answer would be C: protons and electrons are found in the nucleus.
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3. Which fraction can be written as 180%?*
14/5
8/5
1 1/8
18/100
Answer:
None of them 180% would be written as 9/5
Step-by-step explanation:
14/5=280%
8/5=160%
1 1/8=112.5%
18/100=18%
Point M is the midpoint of AB. The coordinates of point A are (−7, 1) and the coordinates of M are (−2, 2). What are the coordinates of point B?
Answer:
[tex]\huge{\boxed{\sf{ ( 3 , 3 ) }}}[/tex]
Step-by-step explanation:
Co-ordinates of point A = ( -7 , 1 )
Co-ordinates of point M = ( -2 , 2 )
Let the co-ordinates of point B be ( x , y )
A ( -7 , 1 ) [tex]\longrightarrow[/tex] ( x1 , y1 )
B ( x , y ) [tex]\longrightarrow[/tex] ( x2 , y2 )
Now,
Midpoint = [tex](\frac{x1 + x2}{2} , \frac{y1 + y2}{2} )[/tex]
⇒[tex]( -2 , 2 ) = ( \frac{-7 + x}{2} , \frac{1 + y}{2} )[/tex]
Finding the value of x :
⇒[tex]-2 = \frac{-7 + x}{2}[/tex]
Do cross multiplication
⇒[tex]-4 = -7 + x[/tex]
⇒[tex]-7 + x = -4[/tex]
⇒[tex]x = -4 + 7[/tex]
⇒[tex]x = 3[/tex]
Now, finding the value of y
⇒[tex]2 = \frac{1+y}{2}[/tex]
Do cross multiplication
⇒[tex]4 = 1+y[/tex]
⇒[tex]1+y = 4[/tex]
⇒[tex]y = 4 - 1[/tex]
⇒[tex]y = 3[/tex]
Hence, The co-ordinates of point B = ( 3 , 3 )
Hope I helped!
Best regards!
~[tex]\text{ TheAnimeGirl}[/tex]
Yo anyone know what´s −10=x−23
Answer:
13 is the answer for this
Step-by-step explanation:
23+-10 equals 13
Danielle earns a 7.25% commission on everything she sells at the electronics store where she works. She also earns a base salary of $625 per week. How much did she earn last week if she sold $4,500 in electronics merchandise? Round your intermediate calculations and answer to the nearest cent.
Answer:
She earned 1,076 dollars and 25 cents.
Step-by-step explanation:
x = 7.25 * 4,500 / 100
x = 7.25 * 45
x = 326.25
So commission earned is 326.25 $
We need to add this to her base salary for the week, so:
750 + 326.25 = 1, 076.25
Therefore she earned 1,076 dollars and 25 cents.
Hopes this helps ;p
4x + y = 9
2x = 4 - 3y
Answer:
If your looking for X then it is : x = 23/10
Step-by-step explanation:
Answer:
x=23/10 y=-1/5
Step-by-step explanation:
18. What is the weekly income for a person who earns an
annual salary of $28,500?
Answer:
$548.08/week
Step-by-step explanation:
Divide 28,500 by weekly amount, 1 year= 52 weeks 28,500/52=548.08
Answer:
about $548.08 a week
Step-by-step explanation:
Find the value of x. Then find the measure of each angle.
Answer:
30, 85, 85
Step-by-step explanation:
(first, look at the photo)
3x - 5 = x + 55
3x - x = 55 + 5
2x = 60
x = 30
1) x = 30
2.angle = 3x-5
3.30 - 5 = 90 -5 = 85
3.angle= x + 55
30 + 55 = 85
hope this helps ^-^
Evaluate:
. C=4x? rind the value of c- given thatx = 16
pour
Answer:
c=4x
c-4(16)
c=64
Step-by-step explanation:
"Find four objects in your home, school, or neighborhood that create or include a right triangle." Examples are: "steps to a different level of the house" and "a very tall book on a bookshelf, leaning against the shelf's side"
I'm struggling y'all
Answer:
I think
Step-by-step explanation:
you get a book get a ruler make a
right a ruler i rdk im sorry bro
a rectangular ground is 40 metre long and 30 metre board if a girl runs three times around the ground what distance does she cover
Answer:
420 meters
Step-by-step explanation:
Perimeter = 2L+2W
80+60=140
Three times around
140x3=420meters
DESCRIBING A TRANSLATION
Describe the translation of the point to its image
(3,-2) (1,0)
The translation of points (3,-2) → (1,0) is 2 units up and 2 units left.
What is the transformation of a graph?Transformation is rearranging a graph by a given rule it could be either increment of coordinate or decrement or reflection.
If we reflect any graph about y = x then the coordinate will interchange it that (x,y) → (y,x).
Given the coordinate (3,-2) transformed in coordinate (1,0)
Now,
3 + x = 1
x = -2
It means graph shift 2 units left.
Now,
-2 + y = 0
y = 2
It means the graph shifts 2 units up.
Hence "The translation of points (3,-2) → (1,0) is 2 units up and 2 units left".
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In the figure, PQ is parallel to RS. The length of RP is 5 cm, the length of PT
is 30 cm; the length of QT is 60 cm. What is the length of 50?
Answer:
A. 10 cm
Step-by-step explanation:
online banking is safest when you use your home computer-yes or no?
Financial institutions use encryption technology to ensue your information when
you bank online.-yes or no
You cannot pay bills with online banking.-yes or no
Answer:
Yes
Yes
No
Explanation:
It is important to use your own personal computer when banking online. Using public computers put your information at risk. For example, your browser history can be easily retrieved by others when using public computers, so this allows them to access your bank account information or your password.
Financial institutions use "encryption" technology in order to ensure that a person's information will remain confidential. This technology prevents your information from being deciphered.
You can pay bills with online banking and this is very common nowadays. People usually pay their electricity bill, internet bill and online purchases through online banking.
The radius of Earth is about 6.38 x 10³ kilometers. Write this distance in standard notation
6.38 * 10^3 = 6380 kilometers.
Hope this helped!
Answer:
6380km
Step-by-step explanation:
10³ is just 1000 if you think about it.
6.38 multiplied by 1000 would just mean you need to move the decimal to the right 3 times.
Also if you look up the earth's radius on wikipedia, it says 6,371km which is close to 6,380km.
Let f be a differentiable function with selected values given in the table above. What is the average rate of change of f over the closed intervals 0<_ x <_10?
Answer:
B
Step-by-step explanation:
The average rate of change is synonymous with the slope.
So, essentially, we want to find the average slope of our function f(x) from x=0 to x=10.
So, we will use the two following points: (0,5) and (10, -20).
Recall the slope formula:
[tex]m=\frac{y_2-y_1}{x_2-x_1}[/tex]
Let (0, 5) be (x₁, y₁) and (10, -20) be (x₂, y₂). Substitute. This yields:
[tex]m=\frac{-20-5}{10-0}[/tex]
Subtract and reduce:
[tex]m=-25/10=-5/2[/tex]
So, the average slope of f(x) between x=0 and x=10 is -5/2.
Our answer is B.
And we're done!
Answer:
B
Step-by-step explanation:
Suppose you and your friends are splitting three pizzas, with 8 slices each. If you have each eaten 3 pieces, equalling 1/2 of the total amount of slices, how many people are there (including you)? Write an equation to represent this scenario and then solve.
Answer:
phle follow karo yrr tab hee bat u ga,
8: There are 15 red chairs for every 8 green chairs. If there are 90 red chairs, how many red and green chairs are in the room? *
7y=14 is 94 what is the answer
Answer:
I don't know what the 94 has to do with this but...
7y=14
14/7
=2
y=2
7(2)=14
Step-by-step explanation:
y=2
what is 2:10 simplifyed
Answer:
1/5
Step-by-step explanation:
Answer:
1:5
Step-by-step explanation:
you can divide both 2 and 10 by 2
2/2=1
10/2=5
Find the value of the expression.
7-(-4)=
Answer:
11
Step-by-step explanation:
When you have a positive number minus a negative number it will automatically turn into addition.
EX.
7-(-4) turns into 7+4
Which of these statements is true?
A: All rectangles are regular polygons.
B: All squares are regular polygons.
C: All rhombi are regular polygons.
D: All parallelograms are regular polygons.
Answer:
B all square are regular polygons
What does 3/7 + 1/4 equal?
43.8 in expanded form
Answer:
40+3.8=43.8
Step-by-step explanation:
give me brainiest
Answer:
+ 40
+ 3
+ 0.8
Step-by-step explanation:
Hope this helps
Solve the equation.
d3 = 64
Answer:
65D
Step-by-step explanation:
1. Find the slope of the line passing through (-3,-4) and (-6,-2).
Answer:
slope = - [tex]\frac{2}{3}[/tex]
Step-by-step explanation:
Calculate the slope m using the slope formula
m = [tex]\frac{y_{2}-y_{1} }{x_{2}-x_{1} }[/tex]
with (x₁, y₁ ) = (- 3, - 4) and (x₂, y₂ ) = (- 6, - 2)
m = [tex]\frac{-2+4}{-6+3}[/tex] = [tex]\frac{2}{-3}[/tex] = - [tex]\frac{2}{3}[/tex]
Answer:
slope= 2/-3
Step-by-step explanation:
Equation of the line: y=2/-3x-6
the slope being 2/-3
the y-intercept being -6
putting the slope as -0.66667 will still get you the same line going.
Hope this helps! :)
A secret recipe requires you mix chocolate and cream cheese in the ratio 3:2, based on weight. If you use 21 oz of chocolate, how much cream cheese do you need?
Answer: 14 oz
Step-by-step explanation:
CH/CR 3:2
3x/3=21/3
x=7
2*7=14 oz.
If you use 21 oz of chocolate, 14 oz cream cheese is needed.
What is ratio?A ratio is a comparison between two amounts that is calculated by dividing one amount by the other. The quotient a/b is referred to as the ratio between a and b if a and b are two values of the same sort and with the same units, such that b is not equal to 0. Ratios are represented by the colon symbol (:). As a result, the ratio a/b has no units and is represented by the notation a: b.
You can compare any two amounts that have the same units.
Given:
ratio of chocolate and cream cheese = 3:2
let the common ratio be x
Chocolate= 3x and Cream cheese = 2x
So, 21 oz of chocolate used
3x=21
x- 21/3
x=7
then, the cream cheese used
= 2 x 7
=14 oz.
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if m JKG = 98 then what is m LKO
Answer:
98 degrees
Step-by-step explanation:
Angle JKG and angle LKO are vertical angles, which are equal.
Make a conjecture about the diagram below. Is AC greater than, less than, or equal to BC? Explain your reasoning.
Triangle A C B is sitting on horizontal line X Y. Points A and B of the triangle are on the line. Angle C B Y is 90 degrees.
Answer:
AC is greater than BC because segment AC is the hypotenuse of right triangle ABC, and the hypotenuse is the longest side of a right triangle.
The hypotenuse is the longest side of the triangle. Side AC of the triangle is its hypotenuse, thus greater than BC (segment and angle theorem of a triangle).
A triangle is a shape with three side and angles. Its longest side is referred to as hypotenuse. And this side is usually opposite to the greatest angle. Examples of triangle include: equilateral, isosceles, acute, right angles, obtuse angle etc.
The given question shows that triangle ACB is a right angled triangle. This is because <CBY = [tex]90^{o}[/tex].
So that;
<CBY + <CBA = [tex]180^{o}[/tex]
Now comparing side AC with BC:
The segment and angle theorem of a triangle states that: the longest side of a triangle is always opposite to the greatest angle.
Thus, since <CBA is the greatest of the angles here, then AC is the longest side.
Therefore, the side AC is the hypotenuse of the triangle and it is greater than BC.
A sketch to this question is attached to this answer for more clarifications.
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