Answer:
27 is the answer to the question
Step-by-step explanation:
4(6)+3=24+3=27
A 26-ft ladder leans against a building so that the angle between the ground and the ladder is 81 degrees. How high does the ladder reach on the building? the answer is in ft
Answer:
25.7 feets
Step-by-step explanation:
From the diagram attached, we could use trigonometry to obtain the height,h :
Using the trigonometric relation :
Sin θ = opposite / hypotenus
Opposite = h
Hypotenus = 26 feets
Sin 81° = h / 26
Height, h = 26 * sin 81°
h = 26 * 0.9876883
h = 25.679
Height, h = 25.7 feets
What are the next three terms in the sequence 3, 6, 9, 12, ...?
Answer:
15, 18, 21
Step-by-step explanation:
Max is going to eat either a slice of pie, an apple, or drink a cup of cider for a snack. He is also going to buy pumpkin or a hat. How many different ways can max eat one snack or buy one item
Answer:
6 different ways
Step-by-step explanation:
pie, pumpkin
pie, hat
apple, pumpkin
apple, hat
cider, pumpkin
cider, hat
What is the vertex of the parabola f(x) = x^2 – 2x – 8 that has an axis of symmetry at 2 = 12
A (2,-8)
B (1,-9)
C (3,-5)
D (4,0)
Answer: i am pretty sure it is c
OR A
NOT SURE THOUGH trust ur gut
Step-by-step explanation:
Luke has a board 5
6
of a yard long. He needs to cut the board into 5 equal sections.
Use the expression
to find the length of each section.
Each section is
yard long.
Answer:
1/6 of a yard
Step-by-step explanation:
Length of the board = 5/6 yard
He needs to cut the board into 5 equal sections.
Length of each section = length of the board ÷ number of sections
= 5/6 ÷ 5
= 5/6 × 1/5
= (5*1)/(6*5)
= 5/30
= 1/6
Length of each section = 1/6 of a yard
What is the height of the token?
A.
B.
C.
D.
Answer:
c. 5cm
Step-by-step explanation:
25=½(3+7)*h
25*2=10*h
50/10=h
5cm =h
A seal has 1,500 nerve per whisker. That is 10 times as many as a rat has. How many nerve per whisker does a rat have?
Answer:
150
Step-by-step explanation:
1500 divided by 10
There are 150 nerve per whisker does a rat have.
What is Unitary Method?The unitary technique involves first determining the value of a single unit, followed by the value of the necessary number of units.
For Example, Let's say Ram spends 36 Rs. for a dozen (12) bananas.
12 bananas will set you back 36 Rs. 1 banana costs 36 x 12 = 3 Rupees.
As a result, one banana costs three rupees. Let's say we need to calculate the price of 15 bananas.
This may be done as follows: 15 bananas cost 3 rupees each; 15 units cost 45 rupees.
Given:
A seal has 1,500 nerve per whisker.
That is 10 times as many as a rat has.
So, the number of nerve per whisker does a rat have
= 1500/ 10
= 150 nerve
Learn more about Unitary Method here:
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The sum of the measurement of angle M and angle R is 180 degrees
Answer:
5
Step-by-step explanation:
it is 5
Identify the second quartile in the box-and-whiskers plot
The median of the data set is
(attached)
.
Answer:
The median is 58
Step-by-step explanation:
Answer:
The answer is 58
The net of a square pyramid and its dimensions are shown in the diagram. What is the total surface area of the pyramid in square meters?
Answer:
??? 208 ???
Step-by-step explanation:
Answer:
Answer:
208
Step-by-step explanation:
The general formula for the total surface area of a regular pyramid isbT. S. A. =12pl+B where p represents the perimeter of the base.
Someone help me out please
Answer:
Coordinates are
(1,-5)
(-6,1)
there is given the numbers equals to 8 and DC equals to 3.2 and BE quals to 9 and find BC
Given:
Consider [tex]AB\parallel DE[/tex] in triangle ABC and [tex]AD=8,DC=3.2,BE=9[/tex].
To find:
The length of BC.
Solution:
Basic proportionality theorem (BPT): If a line intersect the two sides of triangle and parallel to the third side, then that line intersects the other two sides proportionally.
Using Basic proportionality theorem, we get
[tex]\dfrac{AD}{DC}=\dfrac{BE}{EC}[/tex]
[tex]\dfrac{8}{3.2}=\dfrac{9}{EC}[/tex]
On cross multiplication, we get
[tex]8\times EC=9\times 3.2[/tex]
[tex]EC=\dfrac{28.8}{8}[/tex]
[tex]EC=3.6[/tex]
Now,
[tex]BC=BE+EC[/tex]
[tex]BC=9+3.6[/tex]
[tex]BC=12.6[/tex]
Therefore, the length of side BC is 12.6 units.
Angela rented a car for $29.99 a day plus a one-time insurance cost of $5.00. Her bill was $124.96. For how many days did she rent the car? Write an equation and then solve
Answer:
94 days
Step-by-step explanation:
That's a cheap rent-a-car place :)
Btw I took the test.
In ΔMNO, the measure of ∠O=90°, OM = 1.7 feet, and NO = 6.7 feet. Find the measure of ∠N to the nearest degree.
Answer:
14
Step-by-step explanation:
Tan = opposite / adjacent = 1.7 / 6.7
tan N= 1.7 / 6.7
N = 14.237 = 14
Answer:
14
Step-by-step explanation:
the guy above knos why
A researcher is trying to identify whether household substances are basic. Which approach would BEST help the researcher investigate
whether substances are basic?
A. Observe each substance and record its color.
o B. Measure the temperature of each substance.
C. Test each substance with red litmus paper.
OD. Mix each substance with a weak base and record the results.
Answer:
C. Test each substance with red litmus paper.
Step-by-step explanation:
C is the correct answer because when you apply a base with a red litmus paper the outcome color should result in blue.
The best approach best investigate whether substances are basic is to test each substance with red litmus paper.
What is basic compound?In general, bases are substances that can neutralise a small amount of acid. Ammonia and sodium carbonate are both bases even though neither of them includes OH groups.
When in contact with basic chemicals, red litmus paper turns blue instead of red. Thus we should use red litmus paper to test the basicity of home items.
Acids are the only substances that bases react with, hence using weak bases will not produce the intended results since weak bases only partially dissociate.Color does not indicate basicity or acidity.The acidity of a substance can be determined by placing red litmus paper in contact with acid, which causes the paper to turn blue.Hence, the test each substance with red litmus paper.
Learn more about Basic Compound here:
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Each day Theo versus dog 15 minutes in the morning and 25 minutes in the afternoon evaluate the expression 7 x (15 + 25) to find how many minutes to theo dog each week
Answer: 280 minutes
Step-by-step explanation:
Given
Expression is [tex]7\times (15+25)[/tex]
Apply distributive law i.e.
[tex]a(b+c)=a\cdot b+a\cdot c[/tex]
[tex]\Rightarrow 7(15+25)=7\cdot 15+7\cdot 25\\\Rightarrow 7(15+25)=105+175=280[/tex]
Thus, theo dog took 280 minutes each week
Which scenario would result in 12 possible outcomes?
You roll a number cube twice.
You flip a coin twice.
You roll a number cube, and then you flip a coin. You roll a number cube once.
Answer:
You roll a number cube, and then you flip a coin.
Step-by-step explanation:
i don't even know how math is confusing. (this is the right answer on the quiz)
solve the quadratic equation
8x^2+16x+8=0
Answer:
8x²+16x+8=0
x²+2x+1=0
D=4-4=0
x0=-2/2=-1
Answer:
x = -1Step-by-step explanation:
[tex]8x^2+16x+8=0[/tex] {divide both sides by 8}
[tex]x^2+2x+1=0\\\\a=1\,,\quad b=2\,,\quad c=1\\\\x=\dfrac{-2\pm\sqrt{2^2-4\cdot1\cdot1}}{2\cdot1}=\dfrac{-2\pm\sqrt{4-4}}2=\dfrac{-2\pm0}2=-1[/tex]
I need help what do I have to do plz if you don’t know the answer don’t write nothing thank you
A private school determines their annual profits from the function
p(x) = 0.4x2 – 19x, where x is the number of students enrolled in the school. What is
the annual profit if 750 students are enrolled in the school?
A. $75,750 C. -$13,950
B. $210,750 D. $239,250
Answer:
B
Step-by-step explanation:
Its 210,750 i took the quiz. You have to plug in 750 to all the x's.
The Ridgeport school district collected data about class
size in the district. The table shows the class sizes for five
randomly selected kindergarten and seventh-grade
classes.
Number of students in randomly
selected class
Mean Mean absolute
deviation
19
1.2
Kindergarten 17, 18, 19, 21, 20
Seventh 25, 30. 27, 29, 34
grade
29
2.4
Based on these data, which statement is true?
I think its option B) The average size of a seventh-grade class is larger and varies more than that of a Kindergarten-class.
it c. i think
Step-by-step explanation:
Solve for the number problem 11
Answer:
1,000
Step-by-step explanation:
10x10x10 = 1,000
this lock has 1,000 possible combinations
1. The range of guest on New Year's Eve was 15>
2. About 50% of Thanksgiving dinners had 17 or more people.
3. Everyone had at least one guest over for dinner at Thanksgiving.
4. The IQR of Thanksgiving dinner was 20.
5. The median number of people at New Years' Eve dinner was 15.
6. Three-fourths of New Years' Eve dinners had five or more people.
Answer:
1.False
2. True
3.) True
4. False
5.) False
6.) True
Step-by-step explanation:
1.)
Range = maximum - minimum
New year's eve :
Maximum = 22 ; minimum = 3
Range = 22 - 3 = 19
2.)
Median for Thanksgiving = 17
50% up to 17 ;hence the remaining 50% is also 17 and above
4.)
IQR for Thanksgiving
Q3 - Q1
23 - 12 = 11
5.)
The median number of people at new year's eve for dinner was 7 (line in between the box)
6.)
3/4th of new year eve's dinner = Q3 = 15
1/4 = Q1 ; have up to 5 people
Therefore ; the remaining (1 - 1/4) = 3/4 have 5 and above
Answer:
1.False
2. True
3.) True
4. False
5.) False
6.) True
Step-by-step explanation:
Find the sale price if a customer buys a $40 shirt
that is 20% off.
Answer:
$8
Step-by-step explanation:
To find 10% of a number, move the decimal point over by one. Since the number is a whole the decimal point looks like this
$40.00
Move it once to get 10% which is 4. Then multiply it by 2 to get 20%.
Determine the horizontal and vertical axis intercepts: r = 36 + 70sin θ.
Please show your work need help!
Answer:
See below for answers and explanations (along with a graph)
Step-by-step explanation:
Refer to the equations for a limaçon:
y=a+bcos∅ (horizontal line of symmetry) and y=a+bsin∅ (vertical line of symmetry) where a/b determines the type of limaçon.
This is an inner loop limaçon because 36/70<1, so its horizontal axis intercepts are 36 and -36 (marked in red) and its vertical axis intercepts are 0, 36+70=106 and 70-36=34 (marked in green)
Which equation represents a line that has a slope of – 2/3 and a y-intercept of 4?
A)
2x + 3y = 12
B)
2x - 3y = 12
C)
3x - 2y = 12
D)
3x + 2y = 12
Answer:
A
Step-by-step explanation:
Slope-intercept form: y=mx+b
2x+3y = 12
3y = 12-2x
y = (12-2x)/3
y = 4-2/3x
Here we can see that the slope is -2/3 and y-intercept 4. We already got the answer so we dont need to try the other options.
An ice cream cone has a radius is 3 cm and a height of 7.5 cm. Which amount is
closest to the volume of the ice cream cone?
F 71 cm
G 212 cm
H 141 cm
J 47 cm
We’re doing similarity and I’m really confused
Answer:
Hello its ok Love!
I believe x = 2 hope this helps good luck!
Answer: 2 ft
Step-by-step explanation:
18 / 4.5 = 4
8 / 4 = 2
I really need to know the answer of this question
Answer:
Amir 20 Rita 45
Step-by-step explanation:
20/4=5
5*9=45
so this satisfices the ration 4:9
Answer:
Amir : 20 sweets and Rita : 45 sweets
Step-by-step explanation:
Rita has 25 more in all answers. to get the answer, this is to see which one : 4:9 ; 20:45.
we multiply 4 and 45 and 9 and 20. if we multiply them, both answers are 180. this means it is equal and that is the answer.
Gabriel brings 25 cupcakes to share with his classmates at school. At the end of the day, he has 3 cupcakes remaining. What percent of the total cupcakes did Gabriel share with his classmates?
A 12%12%
B 22%22%
C 75%75%
D 88%
Answer:
Answer D 88%
Step-by-step explanation:
To figure this question out we first need to find 1% of 25, which is .25 and then we need to find what percentage 3 is of 25, and so 12 x .25 = 3 which means 3 is 12% of 25, now just subtract it from 100% and we get 88%
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