Answer:
area of the square=18×18
=324 cm²
area of the circle=πr²
=3.142×9² (radius=18cm/2=9cm). =254.502 cm²
area of the shaded region=324-254.502
=69.498 cm²
I have no clue what its asking me to do or what to do so do it for me please
Answer:
i cant see the question :(
Step-by-step explanation:
The cost to rent a surfboard at the beach is $10.25 an hour plus an insurance fee of $25. Keith spent $55.75 when renting a surfboard on a recent trip to the beach. For how many hours did Keith rent the surfboard?
Answer: Keith spent 3 hours renting the surfboard.
Step-by-step explanation:
h=hour
10.25h+25=55.75
55.75-25= 30.75
30.75/10.25= 3
and if you want to check you can do
10.25(3)+25=
which would equal to 55.75
One experiment had 10 players spinning, another experiment had 100 players spinning. Which experiment is more likely to come closer to matching its theoretical probability.
Answer: Experiment with 100 players sprinting
Step-by-step explanation:
When it comes to experiments using samples to find out the effect of a variable on an entire population by finding out the representative effect on the sample, the larger the size of the sample, the better.
A larger sample comes closer to being the actual size of the population so when this larger sample is experimented upon, the results it gives will be closer to the results that would be gotten if we experimented on the entire population. The 100 player sprinting experiment would therefore come closer to matching its theoretical probability.
Solve X2--169. (4 points)
Answer:
Replace all occurrences of
−
−
with a single
+
. Two consecutive minus signs have the same mathematical meaning as a single plus sign because
−
1
⋅
−
1
=
1
x
2
+
169
Step-by-step explanation:
A bag contains 5 blue marbles, 8 green marbles, and 11 red marbles. What is the probability of choosing a purple marble?
A. .208
B. .458
C. .667
D. 0
Answer:
0
Step-by-step explanation:
the bag has nothing purple marbles
A(n) _______ is a mapping that does not change the size of the original figure.
A. Isometry
B. Mapping
C. Image
D. Preimage
Answer:
A(n) isometry is a mapping that does not change the size of the original figure.
Answer:
Isometry
Step-by-step explanation:
Isometry is a mapping that does not change the size of the original figure.
Multiply the binomials:
(3x + 4)(5x-2)
A. 15x^2 + 20x-8
B. 15x^2 + 14x + 8
C. 15x^2- 14x-8
D. 15x^2+ 14X-8
Answer:
15x^2 + 14x - 8
Step-by-step explanation:
Use the FOIL Method.
(3x + 4) (5x - 2)
1. First: 15x^2
2. Outside: -6x
3. Inside: 20x
4. Last: -8
5. Put Together: 15x^2 - 6x + 20x - 8
6. Simplify: 15x^2 + 14x - 8
Help me out please???
What do both of these functions have in common?
f(x) = 2log10 (x - 1)- 4
g(x) = 10(x-1)^2 +4
A. They have the same horizontal translation
B. They have the same vertical stretch
C. They have the same vertical shift
D. They have the same end behavior
Answer:they have the same horizontal translation
Step-by-step explanation:
Which equivalent expression can be used to solve the quotient 2/3 divided by 4/5
Answer:
5/6
Step-by-step explanation:
Divide it
The equivalent expression can be used to solve the quotient 2/3 divided by 4/5 is 5/6.
What is division?Division is a method of distributing a group of things into equal parts. It is one of the four basic operations of arithmetic, which gives a fair result of sharing.
The equivalent expression that can be used to solve the quotient 2/3 divided by 4/5 is;
[tex]= \dfrac{\dfrac{2}{3}}{\dfrac{4}{5}}\\\\=\dfrac{2}{3} \times \dfrac{5}{4}\\\\=\dfrac{1}{3} \times \dfrac{5}{2}\\\\=\dfrac{5}{6}[/tex]
Hence, the equivalent expression can be used to solve the quotient 2/3 divided by 4/5 is 5/6.
Learn more about division here;
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This week is just one of the 40 weeks that you
spend in the classroom this school year. Convert
the fraction 1/40 to decimal form.
find the distance between the points (-2,2) and (0,4)
Answer:
(2,2)
Step-by-step explanation:
Difference between -2 and 0 is 2 and difference between 4 and 2 is 2
Answer:
difference in y is 6 difference in x is 2
Step-by-step explanation:
A rectangle has an area of 70 m2 and dimensions, in meters, of x and x + 2. Estimate each dimension of the rectangle to the nearest meter.
Answer:
-7 and - 9
Step-by-step explanation:
Area of rectangule is length *width
In a quiz, you receive 7 points for a correct answer and –4 points for an incorrect answer.You receive 0 points if you do not answer the question.There are 20 questions in total.Is it possible to get a score of –11 in this quiz?
Answer:
Yes it is possible
Step-by-step explanation:
Given
[tex]n = 20[/tex]
[tex]x= 7[/tex] --- correct
[tex]y = -4[/tex] --- wrong
[tex]z = 0[/tex] --- empty answer
Required
Is a total of -11 possible?
To do this, we apply trial by error method.
After so many approaches, I found the following solution
[tex]x \to 3[/tex] -- Got 3 correctly
[tex]y \to 8[/tex] --- Failed 8
[tex]z \to 9[/tex] ---- Didn't answer 9
The above will give a score of -11.
We have:
[tex]3x+8y+9z[/tex]
[tex]3x+8y+9z = 3 * 7 + 8 * -4 + 9 * 0[/tex]
[tex]3x+8y+9z = 21-32 + 0[/tex]
[tex]3x+8y+9z = -11[/tex]
Hence, a score of -11 is possible
Write a rule for the n th term of the sequence for which az = 4 and r= 2.
=
Answer:
Step-by-step explanation:
The general form for a geometric sequence is:
a
n
=
a
1
⋅
r
n
−
1
With this, you can write a system of equations:
a
2
=
a
1
⋅
r
2
−
1
a
5
=
a
1
⋅
r
5
−
1
2
=
a
1
⋅
r
1
0.25
=
a
1
⋅
r
4
r
4
r
1
=
0.25
2
r
3
=
0.125
r
=
0.5
Now, find the first term.
a
2
=
a
1
⋅
0.5
1
2
=
a
1
⋅
0.5
a
1
=
4
Using the formula stated above, we get:
a
n
=
4
⋅
0.5
n
−
1
can anyone please help me I'm timed
Answer:
Triangles ABC and ADC are congruent because they all have the same angles. AC bisects angle A which means that both triangles have the same angle measurement. C is a 180 degree angle and is bisected, meaning that both angles created are 90 degree angles and thus the same degree measurement.
Another reason why they are congruent is because the sides are equal. AB and AD are the same length because the picture shows a singular line on both sides meaning they are the same. The height of both triangles are the same because they share a height. BC and CD are the same length because AC is bisecting BD, meaning both sides are equal in length. Thus, both triangles have the same side measurements.
Answer:
yes it's all correct good luck
solve:
y= 2x^2+2x-12
Please help with this math question
Roger works part-time as a waiter at a pizza joint. He earns $9 per hour. How much does he earn for 20 hours of work?
Answer:
$180
Step-by-step explanation:
He earns $9 per hour
we should find how much does he earn for 20 hours
20 × 9
= 180
Hope it is helpful....please answer thissssssssssssssssssssssss
Answer:
C
Step-by-step explanation:
SA= 2lw+2lh+2wh
Answer:b
Step-by-step explanation:
In AGHI, h = 300 inches, G=30° and H=29º. Find the length of i, to the nearest
inch.
Given:
In triangle GHI, h = 300 inches, G=30° and H=29º.
To find:
The length of i.
Solution:
We have, G=30° and H=29º.
Using angle sum property, we get
[tex]m\angle G+m\angle H+m\angle I=180^\circ[/tex]
[tex]30^\circ+29^\circ+m\angle I=180^\circ[/tex]
[tex]59^\circ+m\angle I=180^\circ[/tex]
[tex]m\angle I=180^\circ-59^\circ[/tex]
[tex]m\angle I=121^\circ[/tex]
According to Law of sines,
[tex]\dfrac{a}{\sin A}=\dfrac{b}{\sin B}=\dfrac{c}{\sin C}[/tex]
Using Law of sines, we get
[tex]\dfrac{h}{\sin H}=\dfrac{i}{\sin I}[/tex]
[tex]\dfrac{300}{\sin 29^\circ}=\dfrac{i}{\sin 121^\circ}[/tex]
[tex]\dfrac{300}{0.4848}=\dfrac{i}{0.8572}[/tex]
Multiply both sides by 0.8572.
[tex]\dfrac{300}{0.4848}\times 0.8572=i[/tex]
[tex]530.44554=i[/tex]
[tex]i\approx 530[/tex]
Therefore, the length of i is about 530 inches.
Classify this triangle by its sides.
Step-by-step explanation:
The answer is scalene triangle
Answer:
scalene
Step-by-step explanation:
all the sides of a scalene triangle have different lengths, as shown in the picture :)
600 students were going on a field trip.
Lunches had to be prepared for them.
Altogether what was the TOTAL number of food and drink items used if each student received:
3 juices
2 pieces of fruit
2 burritos
2 bags of Doritos
1 milk
Answer:
6,000 total items
Step-by-step explanation:
3*600=1800 (total juice)
2*600=1200 (total fruit)
2*600=1200 (total burritos)
2*600=1200 (total doritos)
1*600=600 (total milk)
1800+1200+1200+1200+600=6000
Someone helppp!!!!!!
Jane borrowed $800 from a bank for 4 years and was charged simple interest. The total interest that she paid on the loan was $160. As a percentage, what was the annual interest rate of her loan?
Paul worked as a library volunteer for 8 ¼ hours. Harry worked for 3 ½ hours. How much longer did Paul work than Harry?
Answer:
4 3/4
Step-by-step explanation:
= (8 - 3) + (1/4 - 1/2)
= 5 + 1/4 - (1 x 2 over 2 x 2)
= 5 + 1/4 - 2/4
= 5 and (1/2 over 4)
= 5 + -1/4
= 4 3/4
How do we define transformation?
Answer:
A Dramatic change in appearance or form
Step-by-step explanation:
Answer:
A transformation is a process that manipulates a polygon or other two-dimensional object on a plane or coordinate system. Mathematical transformations describe how two-dimensional figures move around a plane or coordinate system. A preimage or inverse image is the two-dimensional shape before any transformation.
A box contains 20balls,x of which are white.if the probability of selecting a non white ball at random is 3/5.find the value of x
Answer:
8
Step-by-step explanation:
So there are 20 balls.
3/5 of them are NOT white.
This means 2/5 of them ARE white.
So knowing this, lets find the number of white balls(x).
To do this, lets multiply the 20 total balls by the 2/5 of them that are white:
20/1*2/5
=
40/5
=
8
So we know that 8 of the balls are white!
Hope this helps! :)
A child swallowed a substance with an LD50 of 6 mg/kg of body weight. It is crucial that the child's stomach be pumped promptly as the material is highly poisonous.
False
True
Yes, It is crucial that the child's stomach be pumped promptly as the material is highly poisonous.
How to LD50 represents?The LD50 is a Lethal dose and 50 represents 50 percent of the test animal's population, that is it will be lethal to half of the tested animals. The amount of a toxic agent (such as a poison, virus, or radiation) that is powered to wipe 50 percent of a population of animals on which it is tested.
Therefore, It is crucial that the child's stomach be pumped promptly as the material is highly poisonous.
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Quinn has a savings account with a balance of
$84.50. He withdraws $32.85, deposits $72.30,
and then withdraws $3.95. If Quinn gives his
brother 1/4 of his savings, how much does he
give his brother?