The probability of getting chocolates with harder center is 7/15.
What is the probability?Probability can be defined as the ratio of the number of favourable outcomes to the total number of outcomes of an event.
We know that, probability of an event = Number of favourable outcomes/Total number of outcomes
Given that, there are 10 chocolates in a box. 7 of the chocolates have soft centers and 3 of the chocolates have hard centers.
Probability of choosing first chocolate with hard center is
Total number of outcomes =10
Number of favorable outcomes =7
Now, probability is 7/10
Probability of choosing second chocolate with hard center is
Total number of outcomes =9
Number of favorable outcomes =6
Now, probability is 6/9
Probability of an event = 7/10 × 6/9
= 7/10 × 2/3
= 7/5 × 1/3
= 7/15
Therefore, the probability of getting chocolates with harder center is 7/15.
To learn more about the probability visit:
https://brainly.com/question/11234923.
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"Your question is incomplete, probably the complete question/missing part is:"
There are 10 chocolates in a box. 7 of the chocolates have soft centers and 3 of the chocolates have hard centers. Kyla takes at random a chocolate from the box and eats it. She then takes at random another chocolate from the box and eats it. Find the probability that Kyla chooses both the chocolates with a hard center.
Simplify the following expression by combining like terms
4 + 5x + 2 =
Answer:
5x + 6
Step-by-step explanation:
4 + 2 is 6 and there is no other number with x so you leave the 5x alone
will give brainliest to the person who solves all 3 :)
It’s the A question I need will give brainiest
Answer: See explanation
Step-by-step explanation:
Area of one rectangle: l × w
7 × 4 = 28
28 in²
Total area: 28 × 4 = 112
112 in²
I need help with the first part I will give brainliest
Answer:15 candy bars are solddd
Step-by-step explanation:
Answer:
I believe the answer is $3.50
Step-by-step explanation:
1. You can see that 2 candy bars (x axis) sold result in $7 being spent (y axis).
2. To get how much the band makes for selling 1 candy bar, you divide the $7 by two.
Please answer and thank you
PLEASE HELP!!! 100 points!!!
Suppose that baby grand piano cost $8000 and looses 15%
in value each year. What would be the value of the piano in
12 years? Round your answer to the nearest hundred.
A.) $1137.93
B.) $1274.88
C.) $1078.44
D.) $5780.00
Answer:
A
Step-by-step explanation:
If it loses 15% of its value every year, then each subsequent year will be worth 85% of the previous year. If we think of this as a geometric series, then the worth would be 8000(.85^t) where t is years after the first year. If you plug in 12, then it's 1137.93.
Answer:
1137.93 is the answer
Step-by-step explanation:
PLS someone do this it would reallymean alot
Answer:
For the first question all u doing is removing the parenthesis
So answer is z to the third power
B is 9y to the 4th power
What is the area of this square????
pls help
Answer:
The area is 25
Step-by-step explanation:
To find an area of a square just multiply the same number by itself like in this problem multiply 5 X 5
Chris and Eric are competing on a game show. Together they answer 22 questions correctly. Chris’ score was 8 less than twice Eric’s score. How many did each of the guys answer correctly?
Answer:
eric = 15
chris 7
Step-by-step explanation:
Let the questions Chris answered correctly be represented by c
Let the questions Eric answered correctly be represented by e
They both got 22 questions right. This can be represented by this equation :
c + e = 22 --- eqn 1
Chris scored 8 less than Eric. This can be represented by this equation :
c = e - 8 --- eqn 2
Substitute for c in eqn 1
e - 8 + e = 22 .
collect like terms
2e = 30
solve for e
e = 15
Substitute for e in eqn 2
c = 15 - 8 = 7
An electric car can travel at top speed for 107 km on 5 h charging time. If the car died after just traveling 65 km at top speed, how long a charge could it have held?
A.) 4h B.) 2.5h C.) 3h D.) 3.5h
9514 1404 393
Answer:
C.) 3 h
Step-by-step explanation:
If you assume the distance is proportional to the charge time, then ...
x/5 = 65/107
x = 5(65/107) ≈ 3.04
The car may have held about a 3-hour charge.
Whenever he visits Belleville, Andrew has to drive 15 miles due north from home. Whenever he visits Fairfax, he has to drive 8 miles due east from home. How far apart are Belleville and Fairfax, measured in a straight line?
Answer:
17 miles away
Step-by-step explanation:
if you draw, you get a right angle triangle.
use pythagorean theorem
c² = a²+b²
c² = 15² + 8²
c² = 225 + 64
c= sqrt(289)
c = 17
Factor y =`x^{2}\ +\ 3x\ -\ 10`
Ashley measured 1. 43 cups of sugar. How much more sugar does she need?
Answer:
0.17 of a cup more sugar.
Step-by-step explanation:
1.6-1.43=0.17
Can someone draw me a doodle monster? I will give brainiest
Answer:
Step-by-step explanation:
can someone help me
Step-by-step explanation:
step 1. same side internal angles are <5 & <3, <6 & <4
step 2. alternate interior angles are <3 & <6, <4 & <5
step 3. corresponding angles are <1 & <5, <2 & <6, <3 & <7, <4 & <8.
100 POINTS AND BRAINLIEST!! Please answer the last 2 and SHOW UR WORK!
THANK YOU :D
Answer:
p=$20000
t=?
rateR =15%
d=20000/2=10000
Step-by-step explanation:
we have
d=p(1-r/100)^t
10000=20000(1-15/100)^t
10000/20000=85/100^t
1/2=0.85^t
sorry. i did not get answer after this.
Which is the slope of the line that passes through the points (2, 8) and (4, 6)?
Answer:
Step-by-step explanation:
The slope would be -1
answer both for ( brain list, thanks, 5 star review)
A city bus collected $1,140 in fares on a given day. The regular fare is $1.50, and the reduced fare is $0.75. If 1,042 total fares were paid, which system of linear equations can be used to find x, the number of regular fares paid, and y, the number of reduced fares paid?
Answer:
x + y = 1042
1.50x + 0.75y = 1140
Step-by-step explanation:
If there was a total of 1,042 fares paid then x + y would be equal to that because x is the number of regular fares paid and y is the number of reduced fares paid.
If there was a total of $1,140 made from the fares then we can use 1.50x + 0.75y. We put the 1.5 in front of the x because each fare paid costs $1.50, same with Y each reduced fare paid is $0.75. So both of those need to be added up to get $1,140.
Hiiioo❤️ Can someone please help me with this❤️:D
Answer:
k= 2.5
Step-by-step explanation:
4k+5=6k+10
-4k -4k
5=2k+10
-10 -10
-5=2k
/2 /2
-2.5= k
How many times smaller is 2 × 10 to the negative 8th power than 4 × 10 to the negative 7 power?
A. 20
B. 200
C. 0.2
D. 2,000
Answer:
A. 20Step-by-step explanation:
How many times smaller is 2 × 10⁻⁸ than 4 × 10⁻⁷ ?
Rewrite the numbers with the same power of 10:
2 × 10⁻⁸ and 40 × 10⁻⁸Divide the second number by the first, cancel the powers as they are same:
40/2 = 20Correct option is A
The values are
2×10-⁸ and 4×01^{-7}Divide to find how many times smaller
4/2×10^{-7+8}2(10)20timesSolve for n
n +8,7 = 16,2
on=65
on=75
On=85
On = 24.9
Answer:
There is not enough to solve.
Step-by-step explanation:
ј
m
4
3
12 9
20
15
Write an equation to describe the relationship
between j and m.
Answer:
Step-by-step explanation:
M = ¾J
If you look at the numbers M is always 3/4 of J so the equation is M = ¾J
HOPE IT HELPED YOU100 POINTS! I WILL GIVE BRAINLIEST! SHOW ALL WORK PLEASE!
Factor each polynomial:
1] 12x^2 - 26x + 12
2] 18x^2 + 51x + 15
3] 16x^2 - 36x - 10
4] 16x^2 + 64x +28
5] 30x^2 - 65x - 25
6] 18x^2 - 33x - 21
7] 45x^2 - 3x - 18
8] 28x^2 - 78x + 20
9] 28x^2 - 54x + 18
10] 40x^2 - 68x - 44
11] 5x^2 + 50x - 120
12] x^2 - 9x + 8
13} The equation, x(x + 5) = 36, is equal to:
14} Expand 2(x+9)(x-4)
15} Solve (x-2)(x-3) = 2
PLEASE SHOW ALL WORK AND EXPLANATIONS! THANK YOU!
Answer:
1. 2(3x−2)(2x−3)
2. 3(3x+1)(2x+5)
3. 2(4x+1)(2x−5)
4. 4(2x+1)(2x+7)
5. 5(3x+1)(2x−5)
6. 3(3x−7)(2x+1)
7. 3(5x+3)(3x−2)
8. 2(7x−2)(2x−5)
9. 2(7x−3)(2x−3)
10. 4(5x−11)(2x+1)
11. 5(x−2)(x+12)
12. (x−1)(x−8)
15. x=1 or x=4
Step-by-step explanation:
1. Factor 12x2−26x+12
12x2−26x+12
=2(3x−2)(2x−3)
2. 3(3x+1)(2x+5)
3. Factor 16x2−36x−10
16x2−36x−10
=2(4x+1)(2x−5)
4. Factor 16x2+64x+28
16x2+64x+28
=4(2x+1)(2x+7)
5. Factor 30x2−65x−25
30x2−65x−25
=5(3x+1)(2x−5)
6. Factor 18x2−33x−21
18x2−33x−21
=3(3x−7)(2x+1)
7. Factor 45x2−3x−18
45x2−3x−18
=3(5x+3)(3x−2)
8. Factor 28x2−78x+20
28x2−78x+20
=2(7x−2)(2x−5)
9. Factor 28x2−54x+18
28x2−54x+18
=2(7x−3)(2x−3)
10. Factor 40x2−68x−44
40x2−68x−44
=4(5x−11)(2x+1)
11. Factor 5x2+50x−120
5x2+50x−120
=5(x−2)(x+12)
12. Let's factor x2−9x+8
x2−9x+8
The middle number is -9 and the last number is 8.
Factoring means we want something like
(x+_)(x+_)
Which numbers go in the blanks?
We need two numbers that...
Add together to get -9
Multiply together to get 8
Can you think of the two numbers?
Try -1 and -8:
-1+-8 = -9
-1*-8 = 8
Fill in the blanks in
(x+_)(x+_)
with -1 and -8 to get...
(x-1)(x-8)
15. Let's solve your equation step-by-step.
(x−2)(x−3)=2
Step 1: Simplify both sides of the equation.
x2−5x+6=2
Step 2: Subtract 2 from both sides.
x2−5x+6−2=2−2
x2−5x+4=0
Step 3: Factor left side of equation.
(x−1)(x−4)=0
Step 4: Set factors equal to 0.
x−1=0 or x−4=0
x=1 or x=4
Sorry I wasn't able to do 13 and 14 but hope this helps! :)
Factorize the following:
-x-y=
is sebastian or sasha right?
Answer:
Sebastian
Step-by-step explanation:
The surface area of a cylinder is equal to 2πrh+2πr²
have a great day :D
Select ALL equations that are functions.
functions can't be with exponents -
the correct answers are b,c,d
Answer:
These 3:
y = 2, y = 1/2x + 5, y = x
Step-by-step explanation:
Y can't be squared that would give a sideways function, that doesn't pass the vertical line test
A rhombus with four 90° angles can also be called _____.
a. square
b. trapezoid
c. heptagon
d. rectangle
Answer:
square is the answer...
The low temperature for the morning is -3.9°F. If the temperature rises to 24°F in the afternoon, what is the change in temperature?
Answer:20.1 will be the temp
Step-by-step explanation:
All you do is add -3.9 and 24 together to get your answer
If someone could answer the second part that would be awesome thanks, no spam please
Answer:
c
Step-by-step explanation:
m<4 and m<3 is a straight angle. straight angles are equal to 180 degrees. the friend found m<3=40 and m<4 is equal to 140 degrees (im not good at explaining, sorry)