Answer:
Step-by-step explanation:
https://justmaths.co.uk/2015/07/23/new-gcse-error-intervals/2/3%20of%20a%20class%20are%20girls.%20w%20a)%20What%20is%20the%20ratio%20girls%20to%20boys%20in%20the%20class?%20Note:%20Give%20your%20answers%20in%20their%20simplest%20forms.%20b)%20What%20is%20the%20ratio%20boys%20to%20girls%20in%20the%20class?
Answer:
a) 2:3
b) 1:3
Step-by-step explanation:
Construct a linear function that has a slope of -3 and passes through the point (−2,3)
Answer:
f(x) = -3x - 3
Step-by-step explanation:
you can use the point-slope form to help you.
[tex]y - y_{1} = m (x - x_{1} )[/tex] m = slope and [tex](x_{1} , y_{1}) = (-2, 3)[/tex]
So, y - 3 = -3(x + 2)
y - 3 = -3x - 6
y = -3x - 3 or f(x) = -3x - 3
[tex]f(x) = -3x - 3[/tex]You can use the standard form y = mx + c to build that linear relationship.
Thus, the needed linear function is: [tex]f(x) = -3x -3[/tex]
Given that:The line has slope of -3The line passes through (-2,3)To find:The linear function
Relation between linear function and straight line:A linear function of two variables is always an equation of a straight line and can be converted into standard form y = mx + c (assuming m and c to be finite constants and x and y are variables).
m denotes slope of this line and c denotes intercept on y axis by this line.
If linear function is not of two variables, then we can take the output f(x) as value of second variable.
Since the slope is already given, thus, we have the equation as:
y = -3x + c
Now, since the line passes through (-2,3), thus it must satisfy the equation since the point is member of the family of points who constitute this line(and since the equation shows family of such points, thus the point should satisfy the equation).
Thus,
[tex]y = -3x +c|{(x,y) = (-2,3)}\\ 3 = -3 \times -2 + c\\ 3 = 6 + c\\ c = 3 - 6\\ c = -3[/tex]
Thus, we have the equation of the straight line in consideration as:
y = -3x -3
y is function of x, thus can be rewritten as [tex]f(x) = -3x -3[/tex] (assuming f doesn't represent any other function as we can't use used symbols in a context to prevent ambiguity)
Thus, the needed linear function is: [tex]f(x) = -3x -3[/tex]
Learn more about equation of straight line here:
https://brainly.com/question/19380936
Does Anyone know slope?
NEED ASAP
A line passes through the point (-9, 8) and has a slope of 2/3
Answer:
[tex]y = \frac{2}{3}x+14[/tex]
Step-by-step explanation:
i hope this helps :)
Sarah is planning for a children's party. She wants to provide each child with a party bag containing 3 items, a whistle, a ball and a tube of sweets. Whistles are sold in packs of 5, balls in packs of 3 and sweets in packs of 6, she doesn't want any single items left over, even if it means she has too many party bags. What are the minimum party bags she can make and how many packs of each item does she need to buy?
y/8 = 40, y = 5
is this correct? yes or no
Answer: No, the correct answer is 320.
Step-by-step explanation: To solve for Y, simplify both sides of the equation, then isolate the variable.
Step 1: Multiply both sides by 8.
[tex](\frac{y}{8} )\times(8)=(40)\times(8)=320[/tex]
Therefore, your answer is incorrect, the correct answer is 320.
A professional gambler reported that at the end of the first race at the track he had doubled his money. He bet $33 on the second race and tripled the money he came with. He bet $60 on the third race and quadrupled his original bankroll. He bet $68 on the fourth race and lost it, but still had $64 left. With how much money did he start?
Answer:
$33
Step-by-step explanation:
A professional gambler reported that at the end of the first race at the track he had doubled his money. He bet $33 on the second race and tripled the money he came with. He bet $60 on the third race and quadrupled his original bankroll. He bet $68 on the fourth race and lost it, but still had $64 left. With how much money did he start?
Let us represent, the amount of money he had at the start= x
Money after the first race=2x
Money he had after betting=2x-33
Money after the second race=3x
Money he had after betting on the third race=3x-60
Money after the race=4x
Money he had after betting on the fourth race=4x-68
Money after the race=$64
4x-68=64
4x=68+ 64
4x = 132
x=132/4
x = 33
Therefore, he had $33 at the start
т
-2 >
- 7
6
what’s the solution??
Answer:
t/7=6 We simplify the equation to the form, which is simple to understand t/7=6 Simplifying: + 0.142857142857t=6
Step-by-step explanation:
hope this helps !!
A supplementary angle has three angles one being 44.4 another being 7x and another is 8x. I'm having a hard time.
Answer:
x= 9.04°
7x = 63.28°
8x = 72.32
44.4° + 63.28° + 72.32° = 180°
Step-by-step explanation:
The sum of supplementary angles is 180°
Set up an equation with the given information, then solve for x.
44.4 + 7x + 8x = 180
7x +8x = 180-44.4
15x = 135.6 Divide both sides by 15
x = 9.04
Substitute for x and multiply by 7, then 8 to find the measures of the unknown angles.
***PLEASE HELP ME please due today I haveing trouble i am behind please lots of points**. 17 points
The inequality x≤3 represents the number of pets allowed in an apartment. Which sentence represents this inequality?
1. More than 3 pets are allowed in the apartment.
2. Fewer than 3 pets are allowed in the apartment.
3. 3 pets, at most, are allowed in the apartment.
4. 3 or more pets are allowed in the apartment.
Answer:
3
Step-by-step explanation:
at most is the key word where 3 pets is the most or equal to.
HELPPPPPP PLEASE !! I appreciate it
in anime testers it says "what is sasuke's most used jutsu" WHAT IS IY THERE ARE SO MANYYYYY
Answer:
chidori or fire ball jutsu
Step-by-step explanation:
Answer:
nice i like naruto
Step-by-step explanation:
Which of these functions is not a linear function? Why?
f(x)=x-x
f(x)=3x
f(x)=x3
f(x)=23x-2
how am i supposed to know-
Answer:
f(x)=x3
Step-by-step explanation:
If you meant f(x)=x3 by f(x)=x^3 then that would be a cubic equation and not linear?
Help pls thank you!!!!!!
Answer:
relative minimum would be your awnser
Answer:
Second one :)
Step-by-step explanation:
What he/she said
Plllsss help really easy points points points
Answer:21
Step-by-step explanation: you multiply f times x to equal 21
8/t; t=4 rkrrkrkkrkrkrkrkr
Answer:
yes 12
Step-by-step explanation:
beeeppppppp
at a local gym you can either pay $90 for a monthly pass then pay $4 each time you go to the gym or you can pay $13 each time you go with no monthly pass fee for how many visits to the gym in a month is the cost of the two options the same?
Answer:
10
Step-by-step explanation:
HELP PLSSS DUE IN 30 MINS
2. In the figure below, NP is the perpendicular bisector of LM. Which of the following statements cannot be
concluded based on this given?
HELP ME PLEASE ITS MATH
Answer:
the answer is C because all you need to do is just count how many there are
Step-by-step explanation:
Answer:
D. 5 units
Step-by-step explanation:
Using the pythagorean theorem:
[tex]a^2 + b^2 = c^2\\a = 3\\b=4\\3^2 + 4^2 = c^2\\9 + 16 = c^2\\25 = c^2\\c= 5[/tex]
Here's a picture of what this looks like and a deeper explanation:
What is the simplest form of of this expression?
Answer:
B
Step-by-step explanation:
Choose the correct symbol to fill in the blank: 55.56 ___ 55.65 *
is it
>
<
=
Answer: 55.56 < 55.65
Step-by-step explanation:
The tenth place is bigger than the other number, and since the whole number is the same, then it would be the less than sign
Answer:
<
Step-by-step explanation:
the number on the right is more than the number on the left so the open part will be on the right
thanks for points have a blessed day :)
HELP PLS ASAP PLSSSSSs
Answer:
6 companies.
Step-by-step explanation:
[When you read a stem and leaf plot, the lowest number in the stem category, like 3 for example, would be in the tens place. The numbers in the leaf category are the ones places.]
"At least" tells you that anything equal to or higher the number given is relevant to the question. If we count the amount of numbers that are 63 or over, we have:
63, 69, 70, 73, 76, 78.
These are 6 numbers.
Your answer would be 6 companies.
5.) Forty percent of the students at Pinecrest Middle School have a school
sweatshirt. There are 560 students at the school. How many students have
a school sweatshirt? *
PLSS HELP
224 students have a sweatshirt.
Granny Jane's famous cookie recipe calls for 6 cups of chocolate chips and makes 30 cookies. How many cups of chocolate chips will be needed if the recipe is quadrupled?
Answer:
c
Step-by-step explanation:
it is right
Analyze tables use the table that shows the percents of blood types of 145 donors during a recent blood drive
a. find how many donors had type b blood. Round to the nearest whole number if necessary ____
b. How many donors did not have type O blood? Round to the nearest whole number if necessary ____
c. Which blood type has less than 10 donors?
blood type percent
O 45
A 40
B 11
AB. 4
Answer:
Answer:
a. 16
b. 80
c. Blood type AB
Step-by-step explanation:
Given:
O = 45%
A = 40%
B = 11%
AB = 4%
Total number of donors = 145
a. No. of donors that had type B blood =
Type B blood donors ≈ 16
b. No. of blood donors without blood type O =
Those without blood type O ≈ 80
c. Find the number of people that had type AB:
Type AB = ≈ 6. This is less than 10 donors.
Therefore, blood type AB had less than 10 donors.
solve using a2 + b2 = c2
show the work please :)
Answer: 19.20937
Step-by-step explanation:
a2=15
b2=12
c2=?
a2+b2=c2
15(15)+12(12)= c2
225+ 144=c2
√369= √c2
≐19.20937 ft
3√41
the table shows a summary of the number of spots counted on 20 ladybug calculate the mean number of spots per lady bug
Answer:
bcbdjdsjxbxifjfbdbdbbxbxhxhdhdhbdbdbxbxbxbxbbxnxnxnxx
A blueprint of an apartment complex has a scale where 0.5 inches is equal to 3 feet. If the length of the laundry room is 2.5 inches on the blueprint, what is the length of the actual laundry room?
Answer:
15 feet
Step-by-step explanation:
Math can anyone help me
Answer:
C. [tex]\frac{4}{10}[/tex] and [tex]\frac{10}{25}[/tex]
Step-by-step explanation:
The proportion between these fractions is true. Multiply 4/10 (numerator and denominator) by 2.5 to get 10/25. This is the only correct option.
Hope it helps!
An airplane climbs at an angle of 16° with the ground. Find the ground
distance the plane travels as it moves 2500 m through the air.
Please help me with this!
Answer:
2403.2
Step-by-step explanation:
We get the length of the hypotenuse, and the base angle. To find the length of the base, we use the cosine of 16° since it is equal to the adjacent side length/ hypotenuse side length or cos 16°= x/2500. The isolate x by multiplying both sides by 2500. The cos 16° is around 0.96126, multiplied by 2500 (cos 16°(2500)) = 2403.1
Match, each of the given measures to the correct side or angle 11, 7.5, 13