Answer:
x=13
Step-by-step explanation:
all triangles add up to 180 so set equal to 180
77+90+x=180
solve for x
x=13
Answer:
x = 13
Step-by-step explanation:
90 + 77 + x = 180
90 + 77 = 167
180 - 167 = 13
x = 13
Plz mark as brainliest if correct! Have a nice day!!!
-Lil G
I’m getting brainlest
Answer:
Female
Step-by-step explanation:
...look at those numbers dude
Normal distribution: Area between two points You might need: Calculator, Z table A set of mathematics exam scores are normally distributed with a mean of 80.2 points and a standard deviation of 4 points What proportion of exam scores are between 82 and 85.6 points? You may round your answer to four decimal places.
Answer: .2379
Step-by-step explanation:
Answer: 0.2379
Step-by-step explanation:
0.9115 - 0.6736 = 0.2379
Find each sum
56 + (-56)
Answer:
the answer is zero
56 + (-56)
Answer: the answer is 0, 130, -9.9 hope this helps. Can u pls give me brainliest
Step-by-step explanation:
3x + 2 + 11x
It must be simplified
Answer:
14x+2
Step-by-step explanation:
3x+11x = 14x then +2 is left over so it's 14x+2
In 2013 number of students in a small school is 284.it is estimated that student population will increase by 4 percent
Write form for student population
Estimate population in 2020
The situation can be modeled by a geometric sequence with an initial term of 284. The student population will be 104% of the prior year, so the common ratio is 1.04.
Let \displaystyle PP be the student population and \displaystyle nn be the number of years after 2013. Using the explicit formula for a geometric sequence we get
{P}_{n} =284\cdot {1.04}^{n}P
n
=284⋅1.04
n
We can find the number of years since 2013 by subtracting.
\displaystyle 2020 - 2013=72020−2013=7
We are looking for the population after 7 years. We can substitute 7 for \displaystyle nn to estimate the population in 2020.
\displaystyle {P}_{7}=284\cdot {1.04}^{7}\approx 374P
7
=284⋅1.04
7
≈374
The student population will be about 374 in 2020.
Please help what is the area
Given:
The figure of a trapezoid.
Length of mid-segment = 5.5
Height of the trapezoid = [tex]6\sqrt{3}[/tex]
To find:
The area of the trapezoid.
Solution:
The area of a trapezoid is:
[tex]A=M\times h[/tex] ...(i)
[tex]A=\dfrac{a+b}{2}\times h[/tex]
Where, a,b are bases and h is the vertical height.
We know that [tex]M=\dfrac{a+b}{2}[/tex] is the length of the mid-segment.
Putting M=5.5 and [tex]h=6\sqrt{3}[/tex] in (i), we get
[tex]A=5.5\times 6\sqrt{3}[/tex]
[tex]A=33\sqrt{3}[/tex]
Therefore, the area of the trapezoid is [tex]33\sqrt{3}[/tex] units squared.
Please please help me ASAP
Answer:
There are 12 sections on the spinner, and out of the 12 sections, 5 of them are red.
If he spins the spinner 48 times, he should expect 5x4, or 20 of the spins to land on red.
Let me know if this helps!
HELP ME PLEASEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEE WILL GIVE BRAINLIST
Answer:
A
Step-by-step explanation:
Hey There!
So the first thing that we want to do is find the formula for volume of a pyramid
[tex]V=\frac{lwh}{3}[/tex]
l = length
w = width
h = height this is a square pyramid so if the length is 8 then the width is 8
So all we have to do now knowing the formula is plug in the values
[tex]V=\frac{8*8*9}{3} \\8*8=64\\V=\frac{64*9}{3} \\64*9=576\\V=\frac{576}{3} \\\frac{576}{3} =192\\[/tex]
So we can conclude that the volume of the square pyramid is 192
hope this helps :)
Answer:
198
Step-by-step explanation:
V= a^2 h/3 = 8^2 x 9/3 = 192
Or
Volume = The base edge squared multiplied by the height divided by three. Which would convert to-
Volume = 8^2 x 9/3 = 192
At a certain conference the information technology session and the social media session occur at the same time so it is impossible for an attendee to sit in on both sessions. If the probability that an attendee sits in on the information technology session is 0.11, and the probability that an attendee sits in on the social media session is 0.62, what is the probability that an attendee sits in on the information technology session or the social media session?
Answer:
0.73 = 73% probability that an attendee sits in on the information technology session or the social media session.
Step-by-step explanation:
What is the probability that an attendee sits in on the information technology session or the social media session?
They cant be in both sections simultaneously, so this probability is the sum of each probability.
0.11 = 11% probability that an attendee sits in on the information technology session
0.62 = 62% probability that an attendee sits in on the social media session
0.11 + 0.62 = 0.73
0.73 = 73% probability that an attendee sits in on the information technology session or the social media session.
I really need help!!!! Please!!! I’ll give you brainliest!!
2)Kendra is 3 times her daughter's age plus 7 years, Kendra is 49 years old. Write an equation to find her daughter's age. (2)
Answer:
Equation: 49 = 3x + 7
Answer: x = 14
Step-by-step explanation:
Let Kendra's daughter's age be denoted by the variable, x.
Set the equation. Note that:
Kendra is 49 years old.
Kendra is 3 times her daughter's age (x) plus 7 years.
Equation: 49 = 3x + 7
Isolate the variable, x. Note the equal sign, what you do to one side, you do to the other. Do the opposite of PEMDAS. PEMDAS is the order of operation, and stands for:
Parenthesis
Exponents (& Roots)
Multiplication
Division
Addition
Subtraction
First, subtract 7 from both sides of the equation:
49 (-7) = 3x + 7 (-7)
49 - 7 = 3x
42 = 3x
Next, divide 3 from both sides of the equation:
(42)/3 = (3x)/3
x = 42/3
x = 14
14 is your answer.
~
What figure has one endpoint and continues without end on one direction?
Group of answer choices
A. line
B. line segment
C. ray
D. point
Answer:
Step-by-step explanation:
b line segment
find the missing term.show your solution.
Answer:
Step-by-step explanation:
1) 5/10
2) 9/12
3) 4/16
4) 2/6
The ratio of boys to girls in the Grade 3 classes at Domino Primary school
is 3:4. If there are 12 boys in one class, how many learners are in the class? (2)
Answer:
28 learners
Step-by-step explanation:
Boys : Girls
3 : 4
Since there are 12 boys and 3 units of them...
3 units = 12
1 unit = 12 ÷ 3 = 4
Girls =
4 units = 4 x 4 = 16
Total number of girls and boys: 12 + 16 = 28
The eccentricity of the conic
section shown is?
Answer: The eccentricity of the conic section shown in the given picture = 0
Step-by-step explanation:
The eccentricity of a conic is measure to determine how un-circle a conic section.
In the given picture, we have a circle.
A circle has an eccentricity of zero.
Therefore, the eccentricity of the conic section shown in the given picture = 0
MATH PEOPLE HELP ITS LEAST TO GREATEST
Answer:
18/25, 17/20, -10
Step-by-step explanation:
I need help with number 5 and number 10 please
Ryan has 8 kittens. Two are white. What fraction of the kittens are not white? Write in simplest form
Answer:
3/4
Step-by-step explanation:
If 2 out of 8 of the kittens are white, than 6 aren't white. That fraction would be 6/8 but when you simplify you get 3/4.
The answer is 3/4 of the kittens are not white.
This a simplifed version of 6/8 which is the complement of 2/8, the amount of white kittens.
Hope this helps, if not, comment below please!!!
:L
Convert pounds to kilograms: 156 lb = _____ kg
Answer:
70.76
Step-by-step explanation:
Answer:
70.2
Step-by-step explanation:
156*0.45
"The director of special events for Sun City believed that the amount of money spent on fireworks displays for the Fourth of July was predictive of attendance at the Fall Festival held in October. She gathered the following data to test her suspicion.
4th of July ($000) Fall Festival (000) 4th of July ($000) Fall Festival (000)
8.0 6.8 12.0 9.5
6.0 6.4 7.5 10.4
12.0 11.6 9.0 6.6
10.5 10.2 10.6 10.1
8.5 6.0 10.0 6.1
12.5 11.1 7.5 9.0
9.0 7.5 10.0 12.6
5.5 8.4
a-1. Compute and report the regression equation that predicts "fall festival attendance" with "amount spent on Fourth of July fireworks". (Round your answers to 2 decimal places.)
a-2. Report the coefficient of determination. (Round your answer to 2 decimal places.) %
a-3. Interpret the regression coefficient. (Round your answer to 4 decimal places.)
b. Evaluate the regression assumptions based on an analysis of the residuals .
The regression assumptions based on an analysis of the residuals is_______.
Answer:
ŷ = 0.52X + 3.99 ;
0.26 ;
0.5123
Step-by-step explanation:
4th of July :
8.0
6.0
12.0
10.5
8.5
12.5
9.0
5.5
12.0
7.5
9.0
10.6
10.0
7.5
10.0
Fall festival :
6.8
6.4
11.6
10.2
6.0
11.1
7.5
8.4
9.5
10.4
6.6
10.1
6.1
9.0
12.6
Using technology, the regression equation which predicts fall festival attendance with amount spent on 4th of July fireworks is ;
ŷ = 0.52X + 3.99
Coefficient of determination ; R² is 0.26
This means that about 26% of variation in the fall festival attendance is explained by the regression line.
The regression Coefficient, R = sqrt(R²) = sqrt(0.2625) = 0.5123
This depicts that a faiy strong positive correlation exists between the amount spent on 4th July fireworks and the fall festival attendance.
plz help me due today
Answer:
2976 in³
Step-by-step explanation:
Stool volume = upper smaller prism + Lower bigger prism
Stool volume = 8 x 6 x 12 + 20 x 12 x 10 = 576 + 2400 = 2976
check: volume = 20 x 12 x 16 - 12 x 12 x 6 = 2976
What is the quotient? 2 25 5 1 10 0-22 11 50 11 50 022
If your struggling with this is how you do it a quotient is the answer to a division problem. The divisor is the number of parts you divide the dividend by. The dividend is the number you are dividing.
Example: 12 ÷ 3 = 4, 4 is the quotient
Hope it helps!!!
Answer:
Step-by-step explanation:
I am in 6 grade I have tried to answer this but could not, I hop u find someone that will answer this for you.
find the slope of the line through the points (10,6) and (-1,8)
Answer:
-2/11
Step-by-step explanation:
What is the product of (3+square root of 7)(3-square root of 7)
( 3 + √ 7 ) ( 3 − √ 7 ) = 2 Explanation: You can simplify this expression by using the formula for the difference of squares a 2 − b 2 = ( a − b ) ( a + b ) In your case, you ca say that a = 3 and b = √ 7 . This means that you have ( 3 + √ 7 ) ( 3 − √ 7 ) = 3 2 − ( √ 7 ) 2 = 9 − 7 = 2 Alternatively, if you don't know the formula for the difference of squares, you can rewrite this expression by expanding the parantheses ( 3 + √ 7 ) ( 3 − √ 7 ) = 3 ⋅ 3 − 3 ⋅ √ 7 + 3 ⋅ √ 7 − √ 7 ⋅ √ 7 Once again, the result will be 3 ⋅ 3 − √ 7 ⋅ √ 7 = 3 2 − 7 = 2
3x + 6 = -9 What is X?
Answer:
x=-5
Step-by-step explanation:
3x+6=-9
-6 -6
3x=-15
x=-5
Answer:
= − 5
Step-by-step explanation:
The steps are in the (2) pictures below. Hope this helps!
pls HELP ASAP PLS HELP
PLS HELP!!! Gold-198 has a half-life of 2.7 days. How much of an 96 g sample of gold-198 will be left after 8.1 days?
Answer:
Step-by-step explanation:
12 grams
ILL GIVE BRAINLIEST PLS HELP
Answer:
A
Step-by-step explanation:
a translation 16 units to the left will replace x with x+16, and a translation 6 units down will replace g(x) with g(x)-6, so it's A.
what divided by 7 will equal 1 and 1/3
WILL MARK BRAINLIEST
Answer:
[tex] 9 \frac{1}{3} [/tex]
Step-by-step explanation:
Let when x divided by 7 will produce [tex] 1\frac{1}{3} [/tex]
[tex]x \div 7 = 1 \frac{1}{3} \\ \\ x \times \frac{1}{7} = \frac{4}{3} \\ \\ x = \frac{7 \times 4}{3} \\ \\ x = \frac{28}{3} \\ \\ x = 9 \frac{1}{3} [/tex]
9. What is the volume of this cube? (2 pts.) Show your work here.
Answer:
Volume = 27 cubic units
Step-by-step explanation:
First, the formula of volume is l x h x w.
Second, the l, h, and w, are all 3, so to get your answer you do 3 x 3 x 3 which equals 27.
Hope this helps!