Answer:
37.1 ft
Step-by-step explanation:
Draw a right triangle with a horizontal side and a vertical side going up from one endpoint of the horizontal side. These two sides form the right angle of the triangle. Then draw a hypotenuse. The hypotenuse has length 40 ft. The acute angle at the end to the horizontal side measures 51°.
Let the length of the vertical side be y.
sin 51° = y/40
y = 40 * sin 51°
y = 31.1
The horizontal side of the triangle is not the ground. It is at the height of Jennifer's hand. Now we add 6 ft to the height.
31.1 ft + 6 ft = 37.1 ft
Answer: 37.1 ft
Please help I’m really need the help (NO LINKS ) (NO LYING ) PART 2 again
Answer:
A. 15
B. 25.6
C. 41.6
Step-by-step explanation:
You need to divide
Please Help
Due today
The solution using the method of substitution are:
1) Substitution in mathematics is the name given to the process of swapping an algebraic letter for its value.
2) PEMDAS Order of operations
3) 8
4) 91
What is substitution in mathematics?Substitution in mathematics is the name given to the process of swapping an algebraic letter for its value. Consider the expression 5x + 2. This can take on a range of values depending on what number actually is. If we are told x = 4, we can work out the value of the expression by swapping the for the number 4.
The substitution operation must follow the algebraic order of operations.
3) (x + 5)² - y when x = -2 and y = 1
Thus:
(-2 + 5)² - 1
= 9 - 1
= 8
4) 3x + 4y² when x = -3 and y = 5
Thus:
3(-3) + 4(5)² = -9 + 100
= 91
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PLS ANSWER QUICK, HELP AND EXPLAIN
Answer:
136 ft²
Step-by-step explanation:
floor = 7 x 6 = 42 ft²
sides = 2 x 7 x 5 = 70 ft²
ends = 1/2 x 6 x 4 x 2 = 24 ft²
42 + 70 + 24 = 136 ft²
what is the circumference of a circle with a radius of 5 inches?
Answer:
31.42 in.
Step-by-step explanation:
the formula for circumference of a circle is 2 x pi x r(radius).
by inserting the number 5 into the formula, we get approximately 31.42 inches.
Answer:
about 31.42 inches
Step-by-step explanation:
2 pi r = 2 × pi × 3 = 31.41593 inches
i think i did the math right
Find the x-intercept and y-intercept for the following equation:
3x−6y=12
Answer:
(4,0) and (0,-2)
Step-by-step explanation:
To find the intercepts, substitute a zero for the opposite letter so
to find y-int x = 0 so 3(0) - 6y = 12 so -6y = 12, so y = -2
to find x-int y = 0 so 3x - 6(0) = 12 so 3x = 12, so x = 4
The graph below shows the relationship between the number of months different students practiced boxing and the number of matches they won:
The title of the graph is Boxing Matches. On x axis, the label is Number of Months of Practice. On y axis, the label is Number of Matches Won. The scale on the y axis is from 0 to 21 at increments of 3, and the scale on the x axis is from 0 to 12 at increments of 2. The points plotted on the graph are the ordered pairs 0, 3 and 1, 6 and 2, 7 and 3, 9 and 4, 11 and 5, 13 and 6, 14 and 7, 16 and 8, 17 and 9, 18 and 10,20. A straight line is drawn joining the ordered pairs 0, 4 and 2, 7.1 and 4, 11 and 6, 13.5 and 8, 17 and 10, 20.5.
Part A: What is the approximate y-intercept of the line of best fit and what does it represent? (5 points)
Part B: Write the equation for the line of best fit in the slope-intercept form and use it to predict the number of matches that could be won after 13 months of practice. Show your work and include the points used to calculate the slope. (5 points)
Answer:
(a) y intercept is approximately 4.3
(b) [tex]y = 1.5x+4.5[/tex]
Step-by-step explanation:
Given
See attachment for graph
Solving (a) The y intercept
This is the point where [tex]x =0[/tex]
From the attached graph; By observation
[tex]y \approx 4.3[/tex] when [tex]x =0[/tex]
So, the y intercept is approximately 4.3
Solving (b): The equation of best fit.
First, calculate the slope of the line using:
[tex]m = \frac{y_2 - y_1}{x_2 - x_1}[/tex]
Where
[tex](x_1,y_1) = (9,18)[/tex]
[tex](x_2,y_2) = (8,16.5)[/tex]
So:
[tex]m = \frac{16.5- 18}{8 - 9}[/tex]
[tex]m = \frac{-1.5}{- 1}[/tex]
[tex]m = 1.5[/tex]
The equation is then calculated using:
[tex]y =m(x - x_1) + y_1[/tex]
Where: [tex]m = 1.5[/tex] and [tex](x_1,y_1) = (9,18)[/tex]
[tex]y = 1.5(x - 9) + 18[/tex]
[tex]y = 1.5x - 9*1.5 + 18[/tex]
[tex]y = 1.5x - 13.5 + 18[/tex]
[tex]y = 1.5x+4.5[/tex]
Answer 6. Answer ASAP pls pls answer ASAP ASAP pls pls ASAP pls pls ASAP
Answer:
2
Step-by-step explanation:
5x10=50
5x2=10; 10x2=20
10x20=200
(-3)(a +x), if a =8, x = -10
Answer:
6
Step-by-step explanation:
a =8
x = -10
(-3)(a +x)
(-3)(8 - 10)
(-3)(-2)
6
Find AC
A
-y + 23
B
c
бу +2
3
20
23
26
Answer:
yfvhbjnk.bdfxgvhjnmbgytfrgvnhjkm
Step-by-step explanation:
PLEASE HELP ASAP!!!
What is the surface area of the prism below?
The business college computing center wants to determine the proportion of business students who have laptop computers. If the proportion differs from 25%, then the lab will modify a proposed enlargement of its facilities. Suppose a hypothesis test is conducted and the test statistic is 2.4. Find the p-value for a two-tailed test of hypothesis.
Answer:
The p-value for a two-tailed test of hypothesis is 0.0164.
Step-by-step explanation:
The test statistic is 2.4. Find the p-value for a two-tailed test of hypothesis.
This means that we look at the z-table, and we have to find:
[tex]P(|Z| > 2.4)[/tex]
Which is the pvalue of Z = -2.4 multiplied by 2, or 2 multiplied by 1 subtracted by the pvalue of Z = 2.4.
Looking at the z-table, z = 2.4 has a pvalue of 0.9918
1 - 0.9918 = 0.0082
2*0.0082 = 0.0164
The p-value for a two-tailed test of hypothesis is 0.0164.
For BRAINLIST!!
Which statement is best supported by the information in the dot
plots?
Answer: D
Step-by-step explanation: because the The plot has 20 dots and it cannot be greater than or less then
An online store sells flower arrangements for birthdays and other special events. In a review of their production costs, the
online store found the mean wholesale cost of one shipment of vases was ĉ = 54 dollars, with a margin of error of 5
dollars.
Construct a confidence interval for the mean cost (in dollars) for one shipment of vases.
Answer: A confidence interval for the mean cost (in dollars) for one shipment of vases = (49,59)
Step-by-step explanation:
Confidence interval for mean: Mean ± Margin of error
Given: The online store found the mean wholesale cost of one shipment of vases was ĉ = 54 dollars, with a margin of error of 5 dollars.
A confidence interval for the mean cost (in dollars) for one shipment of vases
[tex]=(54-5, 54+5)\\\\=(49,59)[/tex]
Hence, a confidence interval for the mean cost (in dollars) for one shipment of vases = (49,59)
help me answer this question
Help me with this question please!
Answer:
84 in²
Step-by-step explanation:
12+9=21
21x0.5=10.5
10.5x8=84
the sum of 8 and joses score is 35 use the variable j yo represent josés score
Answer:
8 + j = 35
subtract 8 from both sides
j = 27
Step-by-step explanation:
Solve the equation 10^(4x−1)=2^5. Round your answer to the nearest hundredth
HELPPP!!
what triangle is made up of these angles 50 degrees 110 degrees 20 degrees
Answer:
It's a scalene triangle
Step-by-step explanation:
There are different types of triangle
The equilateral triangle which has all sides and angle equal i.e 60 degrees each
The isosceles triangle which has two sides and two angle equal
The right angle triangle which has an angle of 90 degrees
Scalene triangle which all the sides and angle are of different sizes
Pls help ASAP I don’t really know hot to multiply that
Answer:
1 ft=12 inches
So mulitply 57 1/2 by 12
690
Step-by-step explanation:
Answer:
690 inches
Step-by-step explanation:
12 inch = 1 foot
1/2 ft * 12in = 6in
57 * 12 = 684
690 inches
Hope I helped :]
Expand the expression -11(30 – 2d) using the Distributive Property.
Answer: -330 + 22d
Step-by-step explanation:
Apply distributive law: a(b-c)=ab-ac
Answer:
[tex]-330+22d[/tex], or the other way around
Step-by-step explanation:
[tex]-11*30=-330[/tex]
[tex]-11*-2d=22d[/tex]
Fill in the blank to complete the identity.
sin x =_____(COS X)
A) sec x
B) cot x
C) tan x
D) csc x
Answer:
answer will be option c tan x
pls Mark as brainliest
What is the value of the expression below? 7/10÷3/8
A.21/80
B.1 13/15
C.3 17/21
D.15/28
Josue owns a small business selling bagels. He knows that in the last week 80
customers paid cash, 45 customers used a debit card, and 4 customers used a credit
card.
Based on these results, express the probability that the next customer will pay with
cash as a decimal to the nearest hundredth.
Answer: 0.62
Step-by-step explanation: I got the answer
The probability that the next customer will pay with cash is 0.62
What is probability?"It is finding out the possibilities of the occurrence of an event."
Formula to find the probability of an event:"P(A) = n(A) / n(S)
where, n(A) is the number of favorable outcomes of an event A
n(S) is the total number of outcomes for an experiment"
For given example,
in the last week 80 customers paid cash, 45 customers used a debit card, and 4 customers used a credit card.
So, the total number of customers:
⇒ n(S) = 80 + 45 + 4
⇒ n(S) = 129
Let event A: the next customer will pay with cash
n(A) = 80
So, the probability that the next customer will pay with cash would be,
⇒ P(A) = n(A)/n(S)
⇒ P(A) = 80/129
⇒ P(A) = 0.62
Therefore, the probability that the next customer will pay with cash is 0.62
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Find the equation (in terms of x) of the line through the points (-2,-4) and (2,8) y=
Answer:
y = 3x + 2
Step-by-step explanation:
BRAINLIEST FOR ALL 3 CORRECT ANSWERS, IM FAILING SCHOOL AND NEED HELP ASAP. EVEN OFFICIAL HELP COUNTS
Answer:
1. quarter turn 2. B 3. (b,-a)
Step-by-step explanation:
which names apply to the number
48
integer
irrational
real
whole
rational
Answer:
All except irrational apply to the number 48
2x+51 and 6x+3. What is the value of x
Answer:
12
Step-by-step explanation:
2x + 51 = 6x +3
48 = 4x
x = 12
Marcus has 25 baseball cards. Each card is worth a different amount of money. The cards also represent players from different teams in the MLB.3 There are two types of data that we can collect - numerical and categorical. 1 What is an example of numerical data that Marcus can collect about his baseball cards?2 What is an example of categorical data that Marcus can collect about his baseball cards?
1. You can find what the cheapest and most expensive card is.
2. You could find what percent of the people on your cards are brunettes.
You could also find what the average strikes for a team.
You're welcome
A rectangular prism has a length of 5 centimeters, a height of 6 centimeters, and a width of 9 centimeters. What is its volume, in cubic centimeters?
Answer:
270 cubic centimeters
Step-by-step explanation:
To find the volume you multiply the lenght times width times hight. So 5x6 is 30. 30x9=270
How many lines of symmetry does this figure have?
Answer:
4 i think
Step-by-step explanation:
If you fold this figure some times it should get it evenly