The answer to this problem will be -7
Write fractions in order 5/8 2/3 3/8
Answer:
3/8, 5/8, 2/3
Simon makes a model of a boat, using a scale of 1:30
If the model has a height of 40 cm, find the height of the real boat.
give your answers in metres
Answer:
12 meters
Step-by-step explanation:
30 times 40 = 1200
100 cm in a meter
1200/100= 12
Predict whether the product will be greater than, less than or equal to the second factor. 1/5 x 3/4
Answer:
14
Step-by-step explanation:
Find the value of x if P Q R S spaceis a parallelogram.
Answer:
The value of x is 15.
Step-by-step explanation:
Given
PQRS is a parallelogram.
∠Q = (3x + 25)°
∠S = (5x - 5)°
To determine
The value of x = ?
We know that both pairs of opposite angles of a parallelogram are congruent.
As ∠Q and ∠S are opposite angles of a parallelogram. Therefore, ∠Q and ∠S are equal.
Thus,
∠Q = ∠S
substitute ∠Q = (3x + 25)° and ∠S = (5x - 5)° in the equation
(3x + 25)° = (5x - 5)°
subtract 25 from both sides
3x + 25 - 25 = 5x - 5 - 25
3x = 5x - 30
flip the equation
5x - 30 = 3x
add 30 to both sides
5x - 30 + 30 = 3x + 30
5x = 3x + 30
subtract 3x from both sides
5x - 3x = 3x + 30 - 3x
2x = 30
divide both sides by 2
2x/2 = 30/2
x = 15
Therefore, the value of x is 15.
Solve the following inequality:
x/0.25 > 2
Answer:
x>0.5
Step-by-step explanation:
multiply by 0.25 on both sides
x>0.5
I NEED SOME HELP TO GET MY GRADE UP PLZ!
Answer:
Step-by-step explanation:
I think the answer is none of the above
PLEASE ANSWER ASAP !!!!!!!!!!!!!!!!!!! WILL GET BRAINLEST IF CORRECT!!!!!!!!!!!!!!!!!!!!!!
Answer:
2x+30 = 90 (Choice A)
What is the real part of 6 plus 3i
Answer:
63
hope it's 9 lol ❤❤❤❤❤❤
THANK YOU. ^O^ :)
Answer: 6
Step-by-step explanation: A complex number is written as a+bi where a is the real part(whole number) and b is the imaginary part.
Please help! Just Answer if you know how to do it please . No wrong answers . Thank you.
Answer:
42
Step-by-step explanation:
Use the given functions to answer the question. F(x)=x^2
Mark has already earned money for mowing lawns over the summer when he takes a job at the local grocery store, earning $9.50 per hour. After working 16 hours at the grocery store, Mark has earned a total of $292. Write a linear equation to represent the amount of money m that Mark has earned this summer after working h hours at the grocery store.
Step-by-step explanation:
M=9.5 (16,292)
(y=mx+b)
292=9.5(16)+b
The linear equation m = 9.50 h + 140 represents the amount of money m that Mark has earned this summer after working h hours at the grocery store.
What is the Linear equation?A linear equation is defined as an equation in which the highest power of the variable is always one.
Mark takes a job at the local grocery store, earning $9.50 per hour.
After working 16 hours at the grocery store, he earned a total of $292.
As per the given question, we can see points (16, 292)
Here earning $9.50 per hour can represent a slope of a linear function
Thus, M = 9.5 (16, 292)
The standard linear equation is given by,
⇒ m = Mx+b ....(i)
Substitute the values in the above equation,
292 = 9.5(16) + b
b = 292 - 152
b = 140
Substitute the value b = 140 in the equation(i),
⇒ m = 9.50 h + 140
Thus, the linear equation m = 9.50 h + 140 represents the amount of money.
Learn more about the Linear equations here:
https://brainly.com/question/13738061
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Norma and Jane go to the store to buy stocking stuffers. Norma spends $8 more than Jane. Total, Norma and Jane spend $52. How much did each girl spend?
Answer:
Norma spent $30
Jane spent $22
Hey need this ASAP I’ve work through almost just need this one
Answer:
He must score an 86 or more on his third test.
Step-by-step explanation:
An average is calculated by the sum of the numbers divided by the total number (#) of numbers (if that makes sense). Knowing this, we can write an algebraic equation in order to find the answer. Let x equal the unknown number.
John's previous test scores and this test score now must be at least an average of 90 or more. Therefore, the equation would be [tex]\frac{86+98+x}{3} \geq 90[/tex]. Isolate x to find the answer:
[tex]\frac{86+98+x}{3}\geq 90\\ \frac{184+x}{3} \geq 90\\184 + x \geq 270\\x \geq 86[/tex]
Therefore, he needs to get at least a 86 or higher.
Enter your answer and show all the steps that you use to solve this problem in the space provided.
A graph with horizontal axis x and vertical axis y. Polygon WXYZ is plotted at the following points. W: left-parenthesis a comma 4b right-parenthesis. Z: left-parenthesis 0 comma b right-parenthesis. X: left-parenthesis 2a comma b right-parenthesis. Y: left-parenthesis a comma 0. Two dotted perpendicular lines WY and XZ are shown within the polygon.
Write a coordinate proof of the following theorem.
If a quadrilateral is a kite, then its diagonals are perpendicular. 60 POINTS
Answer:
sorry can u add a picture?
Step-by-step explanation:
if there is one sorry...
He be having more drip thin connies
Answer:
i dont even know to be honest but why ask dat
Step-by-step explanation:
Answer:
He validdddddddd
20points. Find an equation for the linear graph.
Use the two endpoints to find the slope:
(0,2) and ( 5,5.5)
Slope = change in y over change in x:
Slope = (5.5-2)/(5-0) = 3.5/5 = 0.7
The y intercept is the y value when x is 0, which is 2
Equation: c = 0.7x + 2
What number must be added to the expression below to complete the
square?
x² -200
A. 100
B. 10
C. -100
D. -10
9. Put these numbers in greatest to least order: 2/3, 60%, 0.06, 3/4
Step-by-step explanation:
0.0660%2/33/4hope it's right :)
An ecological group suspects lobsters are consuming dangerous levels of mercury in a region of the world. Dangerous levels of mercury are classified when they reach beyond 6.5 parts per million. A random sample of 25 lobsters in the region were tested and the data is shown in the stemplot.
Stemplot for Mercury Levels.
2|2 4;
2|;
3|1 4;
3|5 8;
4|0 2;
4|5 6;
5|0 1 3 3 4;
5|6 8 9;
6|3 4;
6|6 7 8;
7|1 2;
7|
Key: 2|2 = 2.2 parts per million
Part A: What proportion of the lobsters in the sample have dangerous levels of mercury in their systems? (4 points)
Part B: Construct and interpret a 95% confidence interval for the mean mercury levels of the lobsters if the sample of 25 lobsters has a mean mercury level of 5.05 parts per million and standard deviation of 1.45 parts per million. (6 points)
Part A: 5 out 25 lobsters have dangerous levels of mercury
Part B: the 95% confidence interval is given by (4.45, 5.65)
since everything is given all I had to do is find the critical value which can be found from the resource packet = 2.064
Using the formula we find 5.05+-2.064*1.45/5 = ( 4.45,5.65)
For this case, we have 95% of confidence that the true mean for the average number of lobsters with dangerous levels of mercury is between 4.45,5.65
how do you explain 15 video games to 18 video games in ratios and rates?
15 vg
18 vg
Just put a line in-between them to make a fraction.
Dean picked 28 flowers and Jackie picked 37 flowers. They put the flowers they
picked together. Then, Dean and Jackie divided all of the flowers among 6 flower pots
so that each flower pot had the same number of flowers. How many flowers were left
over after Dean and Jackie had filled the flower pots?
Answer:
if all the pots have an even amount then you should be left with 5 flowers left
Step-by-step explanation:
28+37= 65 there are 6 pots so take 5 away and each pot gets 10
now each pot has an even amount and you are left with 5
At what corridnate point do y= 1/2 x + 4 and x + 4y = 4 intersect.
Answer:
(-4;2)
Step-by-step explanation:
1. if y=1/2 x+4, then 2y=x+8; it is possible to re-write as x-2y+8=0;
2. if x+4y=4, it is possible to re-write it as x+4y-4=0;
3. if x-2y+8=0 and x+4y-4=0, then x-2y+8=x+4y-4; ⇒ -2y+8=4y-4; ⇒ 6y=12; ⇔ y=2.
4. if y=2, then it is possible to substitute its value into any equation given in the condition:
x+4y=4 (substitution y=2); ⇒ x+8=4; ⇒ x= -4.
5. finally x= -4; y=2. It means (-4;2)
PS. the suggested solution is not the only way to resolve this task.
7(-9a-3)-2a please help
Answer:
-65a -21 "that is the simplified version"
Answer:
-65a - 21
Step-by-step explanation:
7 ( -9a - 3 ) -2a
Distribute, multiply every term in the parenthesis by the term right outside of the parenthesis,
7 ( -9a - 3 ) - 2a
-63a - 21 - 2a
Simplify
-65a - 21
According to recent UN figures, the annual gun homicide rate is 62.4 per one million residents in the US and 1.3 per one million residents in Britain. Compare the proportion of residents killed annually by guns using the (a) difference of proportions, (b) relative risk. Which measure is more useful for describing the strength of association
Answer:
[tex]P_D=61.1*10^{-4}[/tex]
[tex]R_r=480[/tex]
Step-by-step explanation:
From the question we are told that
Homicide rate in US [tex]R_U=62.4\ per\ one\ million[/tex]
Homicide rate in Britain [tex]R_B=1.3\ per\ one\ million[/tex]
Generally the equation for probability of homicide is mathematically given as
[tex]P=\frac{R}{10^6}[/tex]
Generally the equation for probability of homicide in US is mathematically given as
[tex]P_U=\frac{62.4}{10^6}[/tex]
[tex]P_U=62.4*10^{-4}[/tex]
Generally the equation for probability of homicide in Britain is mathematically given as
[tex]P_B=\frac{1.3}{10^6}[/tex]
[tex]P_B=1.3*10^{-5}[/tex]
a)Generally the difference b/w the probabilities P_D is mathematically given as
[tex]P_D=P_U-P_B[/tex]
[tex]P_D=62.4*10^{-4}-1.3*10^{-5}[/tex]
[tex]P_D=61.1*10^{-4}[/tex]
Therefore US annual homicide is [tex]P_D=61.1*10^{-4}[/tex] greater than Britain's
b)Generally the Relative risk is R_r is mathematically given as
[tex]R_r=\frac{P_U}{P_B}[/tex]
[tex]R_r=\frac{62.4*10^{-4}}{1.3*10^{-5}}[/tex]
[tex]R_r=480[/tex]
< 1 2 The circumference of a circle is 47.1 feet. What is the diameter of the circle?
Step-by-step explanation:
[tex]47.1 = 2\pi \times r \\ r = \frac{47.1}{2\pi} = 7.4962996 \\ diameter = 2 \times r \\ = 14.99 = 15 \: feet[/tex]
|2x + 4| less than or equal to 5
Step-by-step explanation:
|2x + 4| <= 5
We have -5 <= 2x + 4 <= 5.
Therefore -9 <= 2x <= 1 and -4.5 <= x <= 0.5.
12. Which of the following numbers is contained in the solution set of the inequality
|-5x + 351 > 20?
Answer:
x<331/5
Step-by-step explanation:
Step 1: Subtract 351 from both sides.
−5x+351−351>20−351
−5x>−331
Step 2: Divide both sides by -5.
−5x
−5
>
−331
−5
Henry buys a yacht for 150 000 euros, the yacht depreciates in value by 18% each year. Work out the value of the yacht at the end of 3 years.
Answer:
369000
Step-by-step explanation:
i think its right you have to take 150,000 and subtract 18% from it and then take the new number you get and multiply that by 3
Rational equations intro (Khan Academy)
Answer:
y = 17/7
Step-by-step explanation:
PLEASE HELP I NEED HELP WITH AN ALGEBRA 2 QUESTION ILL GIVE BRAINLEST
Answer:
the zeros of the function are those that result, when plugged into the equation, in zero; the zeros are -3, 1, and 1/2
Step-by-step explanation:
all possible factors:
±3/2, ±1/2, ±3, ±1
2x³ + 3x² - 8x + 3
let '2' = p and let '3' = q
factors of 'p' are 1 and 2
let '3' = q
factors of 'q' are 1 and 3
possible factors are q/p