Answer:
x²-25=?
Step-by-step explanation:
x² is known as a positive number.A positive number is any number more than 0
so we can there fore assume it's 4 so 4-25 no we can't so we divide
4÷25=0.16 it is a decimal.
wait hold on guys i am so freaking sorry im so bad at math um does anyone by any chance know what 4+8+8y–7 is? please im so sorry im bad at this
Answer:
8y + 5
Step-by-step explanation:
4 + 8 + 8y - 7
12 + 8y - 7
5 + 8y
8y + 5
5 × 2^4 ÷ (7 + 3)
Show all steps! Thanks!
Use the Order Of Operations!
Answer:
Step-by-step explanation:
First exponent: 2^4= 16
5 x 16/(7+3)
Next parenthesis: (7+3)= 10
5 x 16/10
Then multiply: 5 x 16= 80
80/10
Finally, Divide: 80/10= 8
So your answer is 8.
Hope this helps! :D
the scatter plot shows how much a puppy weighs within a certain time period.
what is the correlation between days and weight?
About how much did the puppy gain during this time period? HELP PLEASE!!!!
Answer:
There is a positive correlation and the puppy gained about 1.5 kg
Step-by-step explanation:
→ Find initial weight
4.5
→ Find final weight
6.0
→ Subtract
1.5
bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb
!!!20 POINTS!!!
Q1: A factory produces candy bars, with mean weight 5 grams. After the machines were updated with new tech, a worker worries the candy bars are now lighter on average. To test this theory, the worker collects a random sample of candy bars and measures their mean weight. Identify the null and alternative hypotheses in this situation.
The null hypothesis in this situation is the mean weight of the candy bars is not lighter.
The alternative hypothesis in this situation is the mean weight of the candy bars is lighter.
What is a hypothesis?
A hypothesis is an idea that gives a temporary explanation to a phenomena which would be proved or disapproved by carrying out an experiment .
The null hypothesis states that there is no relationship between the population parameters. It is known as the true hypothesis. The alternative hypothesis states that there is a relationship between the population parameters.
To learn more about null hypothesis, please check: https://brainly.com/question/18306091
By selling an article at 2500, I found that I gained 25% of the cost price. How much did I pay.
Answer:
2000 is the answer hope it helps
Step-by-step explanation:
selling price=2500
profit=25%
cost price+profit=selling price
let cost price be 100
profit percentage= 25%=25
selling price=100+25=125
selling price= 2500 given,
cost price=(2500/125)×100=2000
cost price of good is 2000.
Number 22. Please help!!!
Answer:
-3 ≤ x ≤ 13
Step-by-step explanation:
Brainliest would be appreciated :)
What is the decimal that represents 37 1/2%
Answer:
37.5%
Step-by-step explanation:
PLSSS HELP IF YOU TURLY KNOW THISS
Answer:
6
Step-by-step explanation:
15×2= 30
5×?
?= 30/5
? = 6
Answer:
Missing numerator = 6
Step-by-step explanation:
Let us assume that,
→ Missing numerator = x
Now we have to,
→ Find the required value of x.
Forming the equation,
→ 2/5 = x/15
Then the value of x will be,
→ 2/5 = x/15
→ 2 × 15 = x × 5
→ 30 = 5x
→ 5x = 30
→ x = 30/5
→ [ x = 6 ]
Hence, the value of x is 6.
Help me plssssssssss
Answer:
4 quarters, 10 dimesStep-by-step explanation:
x + y = 14 --> x = 14 - y
$0.10x + $0.25y = $2.00, or 10x + 25y = 200
- we can plug this value for x from the first equation into the second:
10(14 - y) + 25y = 200
140 - 10y + 25y = 200
140 + 15y = 200
15y = 60
y = 4 --> 4 quarters ($0.25 x 4 = $1.00)
if y = 4, then x = 14 - y --> x = 10 --> 10 dimes (0.10 x 10 = $1.00)
matches the second equation where these add up to $2.00
Answer:
1 way is 10 dimes and 4 quartes
I can only come up with one way
This is the same dilation that you used in Question 3. What scale factor was used to create the dilated Triangle M'S'V'? In your answer, give the scale factor that was used and explain how you calculated it.
M'S'V': M' (-2, 2), S' (4, 2), V' (2, -2)
MSV: M (-3, 3), S (6, 3), V (3, -3)
The scale factor was used to create the dilated Triangle M'S'V' is 2/3
How to determine the scale factor of coordinatesGiven the following coordinate point M (-3, 3), S (6, 3), V (3, -3) which was dilated to get the coordinate point M' (-2, 2), S' (4, 2), V' (2, -2)
You can see that the scale factor is the ratio of the x coordinate of the image to that of the preimage as shown:
Determine the scale factorScale factor M'/M = -2/-3 =4/6 = 2/3
Hence the scale factor was used to create the dilated Triangle M'S'V' is 2/3
Learn more on scale factor here: https://brainly.com/question/25722260
In a classroom,
1
6
of the students are wearing blue shirts , and
2
3
are wearing white shirts. There are 18 students in the classroom. How many students are wearing shirts other than blue shirts or white shirts?
Answer:
3 students in blue and 12 in white
Step-by-step explanation:
set 1/6 and 2/3 of it and you need to find that of 18
so you take 2/3*18 and get 12 students
and 1/6*18 and get 3 students
pls help me do it its for my homework
Question:
Add 9 to y
Answer :
9 + y
A number cannot be added to variable so final product will be above expression formed!
Answer:
9+y
Step-by-step explanation:
+++++++++in the graph
an alphabet can't be added to a number
What is the final cost of a $42
flower bouquet with 6% sales
tax?
For each inequality, show it on the number line and write all one-digit integers that satisfy it. k>0
The one-digit integers that satisfy the inequality k>0 are 1, 2, 3, 4, 5, 6, 7, 8, and 9.
What is a number line?A number is a line that is made up of positive and negative numbers with the distance between the preceding and succeeding unit to be 1.
The negative values on the number line are -1, -2, -3...-9 while the value greater than zero are 1, 2, 3, 4,...9Hence the one-digit integers that satisfy the inequality k>0 are 1, 2, 3, 4, 5, 6, 7, 8, and 9.Learn more on number line here: https://brainly.com/question/26480824
Rex took out a loan for $5000 and planned to pay it back in 4 years. If he paid $600 in interest for those 4 years, what was the simple interest rate?.
[tex]~~~~~~ \textit{Simple Interest Earned} \\\\ I = Prt\qquad \begin{cases} I=\textit{interest earned}\dotfill & \$600\\ P=\textit{original amount deposited}\dotfill & \$5000\\ r=rate\to r\%\to \frac{r}{100}\\ t=years\dotfill &4 \end{cases} \\\\\\ 600=5000(\frac{r}{100})(4)\implies \cfrac{600}{5000(4)}=\cfrac{r}{100}\implies \cfrac{3}{100}=\cfrac{r}{100}\implies \boxed{3=r}[/tex]
Please help! with explanation please
Answer:
a = 12
b = 6
Step-by-step explanation:
You have a 30°-60°-90° triangle which is a special right triangle. We memorize the ratios of the sides and can find the sides given just one side, by using the relationships between the sides, so we don't have to use trig ratios.
Generally, the LONGEST side (hypotenuse) is twice the shortest side. Or, the SHORTEST side is half the longest side (hypotenuse). The LONGER LEG is the short leg × sqrt(3).
Or the SHORT LEG is the
longer leg/sqroot(3)
You are given the long leg here. You have:
Long leg = 6sqroot(3)
So the short leg must be 6.
bc, longer leg IS Short leg×sqroot(3)
short leg =6
Then the LONGEST side (hypotenuse) has to be twice that.
LONGEST side = 12
Where it says "Prove side c" maybe that is like doing a check.
6^2 + (6sqrt3)^2 = 12^2
36 + 108 = 144
144=144
CHECK!
What is area of shaded
Answer:225
Step-by-step explanation:
we start by finding the area of the unshaded triangles and subtracting them from the total area of the box.
The total length of the top is 20 and the total length of the bottom side is 18
20-18=2 so the small unshaded part on the bottom side is 2. with this we can find the left triangle. triangle area is base times height over 2 so the area of the unshaded triangle on the left is 15*2/2=15.
We know the small unshaded bit on the right side is 6 as it is shown on the diagram. again, we can use base times height over 2 to get the area of the top unshaded triangle. 6*20/2= 60.
We can do base times height to find the total area of the rectangle
15*20=300
300-15-60=225
Please help I will give brainliest
Answer:
B) Infinitely many solutions.
Step-by-step explanation:
-x + 4y = 24
4y = x + 24
y = 1/4x + 6
It is the same equation twice.
Can someone please solve this for me :)
Step-by-step explanation:
4x^2 + 15 = -9
4x^2 = -24
x^2 = -12
x = 2√3i
Let f(x) = -5x-1 and g(x)=x2 + 5.
= X
Find (f o g)(-2).
Answer:
- 46
Step-by-step explanation:
evaluate g(- 2) then substitute the result into f(x) , that is
g(- 2) = (- 2)² + 5 = 4 + 5 = 9 , then
f(9) = - 5(9) - 1 = - 45 - 1 = - 46
Heya ~
I need help please . . . .
I am just going to show the image, so y'all won't get confuse.
ANSWERS CHOICES ~
[tex]4[/tex]
[tex]3[/tex]
[tex]-3[/tex]
make a explanation to this.
Thanks ~
Answer:
y = −3
Step-by-step explanation:
Subtract 7 from 4.
y = 4 - 7 = -3
Hopefully this helps you!
In this exercise we have to use subtraction knowledge to calculate the final value of the equation, like this:
Letter C
What is subtraction?It is a mathematical operation in which it is possible to find a quantity by decreasing one number by another, it is opposed to addition, being represented by the minus sign.
So make the calculus we have:
[tex]y=x-7\\x=4\\y=4-7\\y=-3[/tex]
See more about subtraction at brainly.com/question/4319655
Find the surface area of the sphere. Use 3.14 for π. Round your answer to the nearest tenth.
r=8
A gumball machine has 110 red gumballs. If the red gumballs are 25% of the total number of gumballs, how many gumballs are in the gumball machine?
Answer:
25% = 110
Therefore, 110 x 4 = 440 (100%)
Step-by-step explanation:
440 gumballs
Help plsssssssssssssss
Answer:
55: 62.44
26 :29.52
62.44 - 29.52 = 32.92
Step-by-step explanation:
Have a good day!
Answer:
£81
Step-by-step explanation:
£55+£26=£81
Simplify Complex numbers 30 points
Answer:
o 1.
[tex] \frac{8 - 4i}{5i} \\ \\ \\ \frac{8 - 4i}{5i} \times \frac{ - 5i}{ - 5i} \\ \\ \frac{ - 40i + 20 {i}^{2} }{ - 25 {i}^{2} } = \frac{ - 40i - 20}{25} \\ \\ \frac{ - 20 - 40i}{25} = \frac{ - 20}{25} - \frac{40}{25} i \\ \\ = - \frac{4}{5} - \frac{8}{5} i \\ \\ = - 0.8 - 1.6i[/tex]
__o__o___
o 2.
[tex] \frac{2i}{ - 3 + 4i} \\ \\ \frac{2i}{ - 3 + 4i} \times \frac{ - 3 - 4i}{ - 3 - 4i} \\ \\ \frac{ - 6i - 8 {i}^{2} }{9 - 16 {i}^{2} } = \frac{ - 6i + 8}{9 + 16} \\ \\ \frac{8 - 6i}{25} = \frac{8}{25} - \frac{6}{25} i \\ \\ = 0.32 - 0.24i[/tex]
__o__o__
o 3.
[tex] \frac{2 - 3i}{1 - 2i} \\ \\ \frac{2 - 3i}{1 - 2i} \times \frac{1 + 2i}{1 + 2i} \\ \\ \frac{2 + i - 6 {i}^{2} }{1 - 4 {i}^{2} } = \frac{2 + i + 6}{1 + 4} \\ \\ \frac{8 + i}{5} = \frac{8}{5} + \frac{1}{5} i \\ \\ = 1.6 + 0.2i[/tex]
__o__o__
o 4.
[tex] \frac{3 + 2i}{4 + i} \\ \\ \frac{3 + 2i}{4 + i} \times \frac{4 - i}{4 - i} \\ \\ \frac{12 + 5i - 2 {i}^{2} }{16 - {i}^{2} } = \frac{12 + 5i + 2}{16 + 1} \\ \\ \frac{14 + 5i}{17} = \frac{14}{17} + \frac{5}{17} i[/tex]
HELP URGENT PLEASEEEE
1. The odd function is A
2. The answer is C
3. The Answer is B
Please Mark Brainiest!
Cheyenne ran a 6.86-kilometer race in 49 minutes. What was her speed in kilometers per hour?
Answer:
i didnt mean to press answer
Step-by-step explanation:
Please help me I need help
Answer:
huh
Step-by-step explanation:
Look at the three trees and the paths between them.Vani walks from Tree 1 to Tree 2 and then to Tree 3 - covering 335 metres in all. Raj walks from Tree 2 to Tree 3, then to Tree 1, and finally returns to Tree 2 - covering 540 metres in all.How far is Tree 1 from Tree 3?
Options
205 metres
875 metres
(we can't say)
215 metres
The distance from tree 1 to tree 3 is about 205 meters.
EquationAn equation is an expression used to show the relationship between two or more variables and numbers.
Let a represent the distance from tree 1 to 2, b from 2 to 3 and c from tree 3 to 1.
Hence:
a + b = 335
Also:
b + c + a = 540
a + b + c = 540
335 + c = 540
c = 205 meters
The distance from tree 1 to tree 3 is about 205 meters.
Find out more on Equation at: https://brainly.com/question/2972832
Helppp please show work
Step-by-step explanation:
Given that:-
Side AC measures 6 unitsSide BC measures 9.5 unitsSide AB measures 11 unitsTo find:-
The cosB as a decimal rounded to the nearest hundredthWe know that,
[tex]{ \bigstar \: { \underline{ \boxed{ \cos( \theta ) \: = \sf\frac{adjecent \: side}{hypotenuse} }}}}[/tex]
Solution:
[tex] \longrightarrow \rm \cos(B) = \dfrac{BC}{AB} [/tex]
[tex]\longrightarrow \rm \cos(B) = \dfrac{9.5}{11} [/tex]
[tex]\longrightarrow \rm \cos(B) = \dfrac{95}{110} [/tex]
[tex]\longrightarrow \rm \cos(B) = 0.8 63[/tex]
[tex]\longrightarrow \rm \cos(B) \approx \: 0.9[/tex]
Therefore:
Cos B equals 0.9