Answer: 13 degrees
Step-by-step explanation:
1. - 2<0
2. (- 2)-(-15)=(-2)+15=13
90 POINTS
Joshua has a ladder that is 15 ft long. He wants to lean the ladder against a vertical wall so that the top of the ladder is 14.2 ft above the ground. For safety reasons, he wants the angle the ladder makes with the ground to be no greater than 78°. Will the ladder be safe at this height? Show your work and draw a diagram to support your answer.
Answer:
not safe
Step-by-step explanation:
check work in pic
4+(-7)-(-3) What will be the answer ?
Find The Volume & Show Work pls
Answer:
288 pi yds^3
Step-by-step explanation:
First find the volume of the cylinder
V = pi r^2 h = pi (6^2) * 24 = pi (36)*24 =864 pi
Then find the volume of one sphere
V = 4/3 pi r^3 = 4/3 pi (6)^3 = /43 pi (216) =288 pi
There are 2 sphere so multiply by 2
288 pi *2 =576 pi
Subtract the spheres from the cylinder
864 pi - 576 pi =288 pi
Simplify using the distributive property: 5(2x + 7). Show all of your work.
Answer:
10x + 35
Step-by-step explanation:
Given
5(2x + 7) ← multiply each term in the parenthesis by 5
= 5(2x) + 5(7)
= 10x + 35
Answer:
10x+35
Step-by-step explanation:
5×2x=10x
5×7=35
=10x+35
What is the value of x ?
Answer:
x = 20
Step-by-step explanation:
90 = 60 + (x + 10)
90 - 60 = x + 10
30 = x + 10
30 - 10 = x
20 = x
Answer:
x = 20
Step-by-step explanation:
From the diagram we see that ∠60° and ∠(x + 10)° are supplementary, therefore we know that the following is true...
60° + (x + 10)° = 90°
Now we just solve the equation and get the following...
60° + (x + 10)° = 90°
x° + 10° = 30°
x° = 20°
x = 20
can someone please answer
Answer:
The answer is 49 degrees
Step-by-step explanation:
The total we are getting to is 180, we have 131. Subtract to find the missing number that makes it 180 which is 49 because 180 minus 131 is 49.
Answer:
x = 49 °
Step-by-step explanation:
These both angles are located at the straight line. So, the sum of both angles are 180 ° .
x + 131 ° = 180 °
subtract 131 ° from 180 °
x = 180° - 131 °
x = 49 °
BRANLIEST FOR CORRECT ANSWER ASAP
Complete the statement about the tables below. Then, choose a rule for each.
x y
0 5
1 7.5
2 11.25
This table represents a(n)
relationship.
Rule:
x y
0 -6
1 12
2 30
This table represents a(n)
relationship.
Rule:
Answer:
Step-by-step explanation:
First rule:- Each value of y after the first one is obtained by multiplying the previous value by 1.5, ( Note 11.25 / 7.5 = 1.5 and 7.5 / 5 = 1.5).
The relationship is : a(n) = 5 * 1.5^(n-1)
Second Rule:- Note:- 12 - (-6) = 18 and 30 - 12 = 18. So we add 18 to get the next term in this rule.
Relationship is : a(n) = -6 + 18(n - 1).
in a survey of 100 cars,47 were white,23 were blue and 30 were red.express each of these numbers as a percentage of the total.
Answer:
white- 47% Blue-23% Red- 30%
Step-by-step explanation:
White cars- (47/100)*100= 47%
Blue cars- (23/100)*100=23%
Red cars- (30/100)*100=30%
MATH HELP PLEASE ANSWER ASAP
Step-by-step explanation:
QR = 1.5
TS = 2
TP = 3.8
RS = 1.4
PQ = 2.6
Brainliest goes to whoever answers correctly and explains also if you want extra points answer my other questions
graph 1 - clue 3
graph 2- clue 2
graph 3- clue 4
graph 4 - clue 1
Answer:
Graph 1 - Clue 3 / Kareem
the points fits neatly in between the rest of the plot
Graph 2 - Clue 2 / Paloma
same reasoning as above, located in the middleof the other points. but note that y and x are in switched order
Graph 3 - Clue 4 / Jonah
(25,10) fits just nice right in the middle of the other points. note that written as an ordered pair, or point, x has to be on the left side inside the parentheses
Graph 4 - Clue 1 / Genevieve
just fitting into the pattern on the lower right end of the plot
What is the value of x in the equation 1/5x - 2/3 y = 30, when y= 15?
4.
Ο Ο Ο Ο
200
Answer:
The value of x is 100
Nadia has a $15 gift card to an online music store. Each song at the store costs $0.99. The equation m = 15 - 0.99s represents the amount of money, m, Nadia has left on the gift card after buying 5 songs. a.
The independent variable is b.
How does the amount of money left on the card change for each extra song Nadia buys?
Show your work. and the dependent variable is
Answer:
All I know is she had 10.05 left
Determine the value for x in the picture below.
Please help me
Given:
The figure of a right angle triangle.
A line segment intersect the two sides and parallel to third side of the triangle
To find:
The value of x.
Solution:
According to basic proportionality theorem, if a line segment intersect the two sides and parallel to third side of the triangle, then it divides the two sides proportionally.
Using basic proportionality theorem, we get
[tex]\dfrac{8}{20-8}=\dfrac{6}{x}[/tex]
[tex]\dfrac{8}{12}=\dfrac{6}{x}[/tex]
[tex]\dfrac{2}{3}=\dfrac{6}{x}[/tex]
On cross multiplication, we get
[tex]2\times x=6\times 3[/tex]
[tex]2x=18[/tex]
[tex]x=\dfrac{18}{2}[/tex]
[tex]x=9[/tex]
Therefore, the value of x is 9.
Need help quick someone help!
Please answer thiss!!!!
Answers:
a = 1/3
b = -6
c = 7
======================================================
Explanation:
The terms of the given expression rearrange to [tex]\frac{1}{3}x^2 - 6x+7[/tex] which is now in standard form (the exponents decrease when moving from left to right).
We can see that
a = 1/3
b = -6
c = 7
after matching that with the ax^2+bx+c form.
Describe the general properties of rotations. Include a discussion of the properties of rigid transformations ,and line segments connecting corresponding points to each other and to the center of rotation
Answer:
A rotation is a rigid transformation, sometimes called an isometric transformation, that moves every point of the pre-image through an angle of rotation about the center of rotation to create an image. Rotations preserve size, rotations of 360 map a figure to itself, and lines connecting the center of rotation to the pre-image and the corresponding point on the image have equal length.
Step-by-step explanation:
Here man this is right
Answer:
Here is the sample response
Step-by-step explanation:
Sample Response: Rotations are rigid transformations, which means they preserve the size, length, shape, and angle measures of the figure. However, the orientation is not preserved. Line segments connecting the center of rotation to a point on the pre-image and the corresponding point on the image have equal length. The line segments connecting corresponding vertices are not parallel.
The circumference of a circle is 20 pi inches. What is the area in square inches of the circle express your answer in terms of pi
Answer:
314 c m 2
Step-by-step explanation:i think i dont know (sorry)
pls answer. im not smart
Step-by-step explanation:
A.
20-4-681041214-2B.
68-20-4212881412*BRAINLIEST**
Would anyone be willing to give a quick sketch of what this should look like?
Answer:
There is your answer. Hope this helps
Which of the expressions are equivalent to the one below? Check all that
apply.
2. (4+9)-(3.2)
A. (3.2)-(2.4) + (
29)
O B. (2+4). (2 + 9)-3.2
C. 2.4 +9-3.2
D.2.4+ (2.9) - (2.3)
Answer:
The answer is C because its the only one that adds up correctly
None of the given expressions are equivalent to (4 + 9) - (3 . 2).
What is an expression?An expression contains one or more terms with addition, subtraction, multiplication, and division.
We always combine the like terms in an expression when we simplify.
We also keep all the like terms on one side of the expression if we are dealing with two sides of an expression.
Example:
1 + 3x + 4y = 7 is an expression.com
3 + 4 is an expression.
2 x 4 + 6 x 7 – 9 is an expression.
33 + 77 – 88 is an expression.
We have,
We can simplify the given expression as:
(4 + 9) - (3 . 2) = 13 - 3.2 = 9.8
Now, we can check which of the given expressions is equivalent to 9.8:
A.
(3 . 2) - (2.4) + (2.9) = 3.7
(not equivalent)
B.
(2 + 4) (2 + 9) -3 . 2 = 84.8
(not equivalent)
C.
2.4 +9 - 3.2 = 8.2
(not equivalent)
D.
2.4 + (2.9) - (2.3) = 3.0
(not equivalent)
Therefore,
None of the given expressions are equivalent to (4 + 9) - (3 . 2).
Learn more about expressions here:
https://brainly.com/question/3118662
#SPJ7
The complete question.
Which of the expressions is equivalent to the one below?
Check all that apply.
(4 + 9) - (3 . 2)
A. (3 . 2) - (2.4) + (2.9)
B. (2 + 4) (2 + 9) -3 . 2
C. 2.4 + 9 - 3.2
D. 2.4 + (2.9) - (2.3)
The average height of middle school students at Seton Grove School is found to be 5.25 feet. Which sample makes this generalization valid?
Answer:
every other student who enters the school
Step-by-step explanation:
It is given that the middle school students have an average height of 5.25 feet. The students belongs to Seton Grove School.
It means that every student who comes to this school or enters the school has a height that is around 5 feet or more.
Thus we can say that every other student who enters the school has a average height of 5.25 feet.
This sample makes the generalization about the heights of the school students valid.
Answer:
c
Step-by-step explanation:
correct on edmentum / plato
100 points !!!!! thank you :)
Answer:
A
Step-by-step explanation:
What is the y intercept of the line that has a slope of 4 and goes through the point (-3,12)?
A) 0
B) -12
C) 24
D) 12
What is an equation of the line passing between(4, -6) and (12, -8)?*
Answer:
y= -1/4x - 5
Step-by-step explanation:
first you need to find the slope.
to do this you can use the equation: change in y/change in x which is also y2 - y1/x2-x1
-8 - (-6)/12-4
-2/8
-1/4 = slope
since the line's equation is y = mx + b, we still need to find the y-intercept. we can do this by just plugging in one of the points
-6 = -1/4(4) + b
-6 = -1 + b
-5 = b
so the final equation is y= -1/4x - 5
The area of a swimming pool is 119 square meters. The width of the pool is 7 meters. What is the length of the pool in centimeters?
Answer:
17 meters
Step-by-step explanation:
Area = Length x Width
Width = 7
Area = 119
Solving for: Length
Equation:
119 = 7 * x
Solving for Length (x) :
119 = 7 * x
x = 119/7
x = 17
Units = meters
Answer: 17 meters
If my answer is incorrect, pls correct me!
If you like my answer and explanation, mark me as brainliest!
-Chetan K
An entreprenuer sold a damage fan for 4560 thereby incurring 20% on the cost price determine the cost of the fan
Answer:
5,700
Step-by-step explanation:
Let
x = total cost of the fan
The entrepreneur incurred 20% on the cost price
Selling price = 4560
Therefore, The selling price = 80% of the total cost of the fan
4560 = 80% of x
4560 = 80/100 * x
4560 = 0.8 * x
4560 = 0.8x
x = 4560/0.8
x = 5,700
x = total cost of the fan = 5,700
find the equation of the straight line passing through 4,1 with a gradient of 1
Answer:
y = x - 3
Step-by-step explanation:
If the gradient (slope) of the line is m, then the point-slope form of the appropriate equation is y - k = m(x - h). If the gradient is 1, then
y - k = x - h
Since this line passes through (4, 1), we have
y - 1 = x - 4, or
y = x - 3
there are four consecutive even numbers. The second number is represented by x. find the sum of four numbers in term of x
Answer:
Sum of the four numbers in terms of x would be 4x+4
Step-by-step explanation:
x-2 + x + x+2 + x+4 = sum
4x+4 = sum
A farmer has developed a new type of fertilizer. This new fertilizer costs 20
percent more to produce than the old fertilizer but has better results: The
same land now produces 25 percent more crops each year.
Which statement best describes one way the farm will be affected by using
this new fertilizer?
A. The farm's marginal cost for fertilizer will decrease.
B. The farm's marginal cost for fertilizer will increase.
C. The farm's opportunity cost for using fertilizer will decrease.
D. The farm's opportunity cost for using fertilizer will increase.
Answer:
A
Step-by-step explanation:
Marginal cost is the change in total cost as a result of increasing output by one unit
Marginal cost = Δcost / Δquantity
0.2 / 0.25 = 0.8
The marginal cost would decrease because the change in output is higher than the change in total cost
Marginal benefit would increase
Opportunity cost is the cost of the opportunity forgone when one alternative is chosen over other alternatives. There is no enough information given to determine the impact on opportunity cost
Divide *° -3x– 10x+ 24 by X-2
Answer:
[tex] - 13 - \frac{2}{x - 2} [/tex]
Step-by-step explanation:
[tex] \frac{ - 3x - 10x + 24}{x - 2} [/tex][tex] \frac{ - 13x + 24}{x - 2} [/tex][tex] - 13 - \frac{2}{x - 2} [/tex]
Hope it is helpful...