Answer:
140?
Step-by-step explanation:
I think its 140 dollars
What is formed when polyatomic ions bond with other ions? ionic compounds neutral compounds ionic elements neutral elements
Answer:
iconic compounds
Step-by-step explanation:
Ionic components are formed up of ions, which are charged particles formed whenever an atom (or group of atoms) acquires or loses electrons.
Polyatomic ions were covalently bonded groupings of atoms. It has a positive or negative charge as little more than a result of an ionic bond with the other ion. Polyatomic positive ions are formed from certain ion combinations, however, the polyatomic ion acts as just a single unit.Therefore, the final answer is "ionic compounds".
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Metal mercury at room temperature is a liquid. Its melting point is -39°C. The freezing point of alcohol is-114°C. How much warmer is the melting point of mercury than the freezing point of alcohol?
Find the area of the circle.
Use 3.14 for T.
A = r2
13 cm
Give your answer to the nearest hundredth.
A = [?] cm?
Enter
Answer:
530.66 square cm
Step-by-step explanation:
Area of the circle
[tex] = \pi {r}^{2} \\ = 3.14 \times {13}^{2} \\ = 3.14 \times 169 \\ = 530.66 \: {cm}^{2} \\ [/tex]
Use the graph to describe the type and number of solutions
Answer:
the x entecepts of a graph are the solutions of the equation,
a quadratic equation can have one of three types of solutions
14.
(3.6 x 108)
(1.2 x 104)
Scientific notation
Answer:
[tex]3.6 * 10^8 = 360000000[/tex]
[tex]1.2 * 10^4 = 12000[/tex]
Step-by-step explanation:
Given
[tex]3.6 * 10^8[/tex]
[tex]1.2 * 10^4[/tex]
Required
Solve
[tex]3.6 * 10^8[/tex]
Express [tex]10^8[/tex] as 100000000
[tex]3.6 * 10^8 = 3.6 * 100000000[/tex]
[tex]3.6 * 10^8 = 360000000[/tex]
[tex]1.2 * 10^4[/tex]
Express [tex]10^4[/tex] as 10000
[tex]1.2 * 10^4 = 1.2 * 10000[/tex]
[tex]1.2 * 10^4 = 12000[/tex]
My dog, Crash, can run 2/3 of a mile in 7 minutes. How many minutes does it take him to run one mile.
Answer:
10 1/2 minutes
Step-by-step explanation:
Becuase 7/2=3.5 then 7+3.5=10.5
find x so that q parallel r
Answer: x = 7
Step-by-step explanation:
Corresponding angles have congruent measures. Thus, 11x - 2 = 75
11x - 2 = 75
11x = 77
x = 7
What is the equation of the line if slope is -2 and y-int is 9
Answer:
y = -2x + 9
Step-by-step explanation:
Let's start from the -2x, the slope is -2. The x is basically what says, this is the slope. The plus nine is the y-intercept. If you think in graph terms (which is how you solve this problem) you will see that on the y-axis the line will intercept at the 9. The every x integer it goes down it goes that times two. For example, if you go sideways 1 spot, the line will be at y=11.
sion 5(7 - 4)2 + 3+ 11.
Answer:
44
Step-by-step explanation:
use the order of operations
5 (3) 2 + 3 + 11. solve within parenthesis
15 × 2 + 3 + 11. multiply left to right
30 + 3 + 11. multiply left to right
33 + 11. add left to right
44. add
the order of operations is more commonly known as PEMDAS.
(parenthesis, exponents, multiply and divide, add and subtract)
If you are still confused there is a Brain Pop about PEMDAS. just search "order of operations" on the brain pop website
What is m∠PTQ???????????
Answer:
m∠PTQ = 40°
Step-by-step explanation:
From the picture attached,
Two lines PS and RQ are intersecting each other at a point T.
Vertical angles formed at the point of intersection T will be equal in measure.
m∠PTQ = m∠STR and m∠PTR = m∠QTS
Therefore, (x + 28)° = (2x + 16)°
28 - 16 = 2x - x
12 = x
m∠PTQ = (x + 28)°
= 12 + 28
= 40°
Therefore, measure of angle PTQ is 40°.
An old coin had a value of $840 in 1991
and $1160 in 1999. Find the slope of the line through
the points at (1991, 840) and (1999, 1160). What does
this slope represent?
Consider the line y = 2/3x-4
A line parallel to the graph of the line would have a slope of
A line perpendicular to the graph of the line would have a slope of
Answer:
For the parallel line it will still have a slpoe of 2/3
Step-by-step explanation:
as for the perpendicular line it will be double like 4/6 so it can meet it at a 90° angle.
What is 100x2 help me pease
Answer: 200
Step-by-step explanation:
anything times 2 is just doubled
f(a) = 2a - 1
g(a) = 4a
- 1
Find f(a) + g(a)
Answer:
[tex]f(a)+g(a)=6a-2[/tex]
Step-by-step explanation:
So we have the two functions:
[tex]f(a)=2a-1\text{ and } g(a)=4a-1[/tex]
And we want to find f(a) + g(a).
So, substitute:
[tex]f(a)+g(a)[/tex]
This is the same as:
[tex]=(2a-1)+(4a-1)[/tex]
Combine like terms:
[tex]=(2a+4a)+(-1-1)[/tex]
Add or subtract:
[tex]=6a-2[/tex]
And we're done!
Bill works for a company that makes candy bars. Bill's job is to pack 10 candy
bars in every box. Bill then places 12 boxes in a shipping carton. Each carton
shipped contains how many candy bars?
Answer:
120 bars
Step-by-step explanation:
If Bill packs 10 candy bars in every box and there are 12 boxes in every shipping carton, then that would mean there are 12 sets of 10 candy bars. Meaning that you would multiply 10 by 12 since there are 12 boxes and 10 candy bars in each box (which would give you 120).
15 For a hot air balloon ride, the function H(t) gives
the height of the balloon after t minutes. Its graph
is shown alongside.
a Find H(30), and explain what your answer
means.
b Find the values of t such that Il(t) = 600.
Interpret your answer.
€ For what values of I was the height of the
balloon recorded?
d What range of heights was recorded for the
balloon?
At the beginning of a study of individuals, 10% were classified as heavy smokers, 20% were classified as light smokers, and 70% were classified as nonsmokers. In the five-year study, it was determined that the death rates of the heavy and light smokers were five and three times that of the nonsmokers, respectively. A randomly selected participant died over the five-year period: calculate the probability that the participant was a nonsmoker.
Answer: 0.39
Step-by-step explanation:
Given the following classification :
Heavy smokers (H) = 10%
Light smokers (L) = 20%
Non smokers (N) = 70%
Given that :
The death rates of the heavy and light smokers were five and three times that of the nonsmokers, respectively
Let probability of death = D
P(D | N) = d
P(D | H) = 5d
P(D | L) = 3d
Hence,
P(D) = [P(H) * P(D | H) + P(L) * P(D | L) + P(N) * P(D | N)]
P(D) = [0.1 * 5d + 0.2 * 3d + 0.7 * d]
P(D) = [0.5d + 0.6d + 0.7d]
P(D) = 1.8d
A randomly selected participant died over the five-year period: calculate the probability that the participant was a nonsmoker.
P(N | D) = [P(N) * P(D | N)] / P(D)
P(N | D) = 0.7d / 1.8d
P(N | D) = 0.3888
= 0.39
3-(6x-5)+2= -5(6x+2)
Solve for x
Answer:
x
=
−
v
3
24
−
17
24
Step-by-step explanation:
Jim had 360 stamps he sold 1/3 of them on Monday and 1/4 of the remainder on Tuesday how many stamps did he sell on Tuesday
Answer:
60
Step-by-step explanation:
Since Jim sold 1/3 of his stamps on Monday, the remainder would be 2/3 of his total stamps.
Divide 360 stamps by 3. Minus the stamps sold on Monday from 360 to get the remainder.
stamps sold on Monday = 360 ÷ 3 = 120
remainder = 360 - 120 = 240
He sold 1/4 of the remainder on Tuesday.
Divide the remainder by 4.
stamps sold on Tuesday = 240 ÷ 4 = 60
He sold 60 stamps on Tuesday.
a surf instructor has an initial fee of $12 and charges $8 per hour for lessons. Write a linear equation that represents the total cost of surf lessons after a certain number of hours
y = total cost
x = # of hours
$12 + $8x = y
Answer:
the answer is y=8x=12
Step-by-step explanation:
John and Maria solved the same equation using two different methods.
Compare and contrast John and Maria’s methods. Explain how they arrived at the same solution.
Answer:
John's steps
-distrubute the 2 through the parentheseas
-subtract 18-12
-subtract 10 on both sides
-divide both sides of the equation by 2
-y=-2
Marias steps
-divide both sides by 2
-subtract both sides by -5
-y=-2
Step-by-step explanation:
all you had to do is list the steps out. Hope this helps
find the exact area of the octagon. show your reasoning?
Question 7 of 12. Step 1 of 1
4/12
Correct
2
Incorr
Kara has five exam scores of 85, 75, 86, 69, and 68 in her biology class. What score does she need on the final exam to have a mean grade of 80? Round your answer
to two decimal places, if necessary. (All exams have a maximum of 100 points.)
Answer
How to enter your answer
І кеурас
Keyboard Shortcu
Answer:
97
Step-by-step explanation:
Sorry for messy working out
Find the equation of the line with slope -2 which goes through the point (-6,-9).
The equation of the line with slope -2 which goes through the point (-6,-9) is y=-2x-21.
What is the equation of a line?The general equation of a straight line is y=mx+c, where m is the gradient, and y = c is the value where the line cuts the y-axis. This number c is called the intercept on the y-axis.
Given that, the line with slope -2 which goes through the point (-6,-9).
Substitute m=-2 and (x, y)=(-6,-9) in y=mx+c, we get
-9=-2×(-6)+c
-9=12+c
c=-21
Substitute m=-2 and c=-21 in y=mx+c, we get
y=-2x-21
Therefore, the equation of the line with slope -2 which goes through the point (-6,-9) is y=-2x-21.
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16 = (16 – 4 X 2) =
Answer:
False
Step-by-step explanation:
PEMDAS is your order of operations, so you would do the multiplication in the parenthesis first.
[tex](16-4*2) = (16-8) = 8[/tex]
16 isn't equal to 8 so the answer would be false.
Answer:8
Step-by-step explanation:4 times 2=8 so 16-8=8
help me, i really needd help i’m desperate!!!!
Answer:
10.5 wait can it be a decimal
Step-by-step explanation:
Help PLzzzzzzzzzzz
zzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzz
Answer:
-18 bvhbdhbgdjd
Step-by-step explanation:
fgjfgfkgkdfhgkjdvn cjkvb
makes sense mostly if you know this algorithm
PLEASE PLEASE HELP
Find the missing side length.
Assume that all intersecting sides meet at right angles.
Be sure to include the correct unit in your answer.
Answer:
The missing side length is 5 cm
Step-by-step explanation:
We see that 4cm is on the top and 9 cm is on the bottom.
All we need to do is subtract 4 from 9
9-4=5
The missing side length is 5 cm
Hope this helps! Plz award Brainliest : )
please help fast:(((
