Answer:
[tex]7-2i[/tex]
Step-by-step explanation:
As you're used to do in the real plane, midpoint is the average of Real and Imaginary part. So [tex]\frac{5+9}2 +i \frac{-7+3}2 = \frac{14}2+i\frac{-4}2 = 7-2i[/tex]
Answer:
-2+5i
Step-by-step explanation:
Which of the following represents 3 times the sum of 3
and 8?
Answer:
The expression would be (x + 3)(x - 8) and if we multiplied those together we would get x^2 - 5x - 24
Step-by-step explanation:
Select the correct answer.
What is ?
A.
B.
C.
D.
Answer:
B. 7 1/2
Step-by-step explanation:
1. To solve this problem, we have to multiply 2 1/2 by the reciprocal of 1/3.
In other words, multiply 2 1/2 by the inverse of 1/3, which is 3.2. (Solving)
[tex]2\frac{1}{2} *3[/tex] [tex]\frac{5}{2} *3[/tex] [tex]\frac{15}{2}[/tex] [tex]7\frac{1}{2}[/tex]Therefore, the answer is B. 7 1/2.
Answer:
its B mark branli.est pls
Step-by-step explanation:
The ratio of two numbers is 7:2. If the greater number is 28, find the smaller one.
Answer:
Answer:
8
Step-by-step explanation:
7 : 2
We know the larger number is 28
28 : x
We multiply 7 * 4 = 28, so multiply the first ratio by 4
7*4 : 2*4
28 : 8
The second number is 8
Please give brainliest
Have a nice day!
a radioactive substance has a half-life of 2 seconds. A scientist begins with a sample of 20 grams. How much of the substance remains after 8 seconds?
Answer:
1.25 g
Step-by-step explanation:
you start with 20g at 0 seconds.
divide by half after 2 seconds and you have 10g.
at 4 seconds you have 5g.
at 6 seconds you have 2.5g.
at 8 seconds you have 1.25g.
The size of the substance after 8 seconds will be 1.25 g
What is an expression?The mathematical expression combines numerical variables and operations denoted by addition, subtraction, multiplication, and division signs.
Mathematical symbols can be used to represent numbers (constants), variables, operations, functions, brackets, punctuation, and grouping. They can also denote the logical syntax's operation order and other properties.
Given that a radioactive substance has a half-life of 2 seconds. A scientist begins with a sample of 20 grams.
Start with 20g at 0 seconds and divide by half after 2 seconds and you have 10g.
4 seconds you have 5g.
6 seconds you have 2.5g.
8 seconds you have 1.25g.
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What is x squared = 100
❤❤❤❤❤❤❤❤❤❤❤❤❤❤❤❤
[tex] {x}^{2} = 100[/tex]
❤❤❤❤❤❤❤❤❤❤❤❤❤❤❤❤
Answer:
your equation is this... x2 - 100
since you have no x term to the first power you can write 0x... like this
x2 + 0x - 100
Now, what numbers will add to 0 and multiply to -100
The numbers 10 and -10 will
10 + -10 = 0
10 * -10 = -100
therefore
(x - 10)(x + 10) is the way you factor it
Step-by-step explanation:
Ms. Henderson's plant is 613 inches tall. It is 156 inches taller than Megan's plant.
How tall is Megan's plant?
Answer:
Megan's plant is 457 Inches tall
Step-by-step explanation:
Which of the following tables does not represent a function?
x y
-1 1
-2 1
-3 1
x y
-5 1
-5 -2
-5 -5
x y
-4 0
2 0
5 7
x y
-5 1
-3 -2
-1 -5
Step-by-step explanation:
the second one (with the -5 as x values) is not a function, because the valid x value -5 has more than one associated different solution value y.
for a function a valid x value can lead only to exactly one result y value.
help - does anyone know how to calculate the gradient of this?
Answer:
To calculate the gradient of a straight line we choose two points on the line itself. From these two points we calculate: The difference in height (y co-ordinates) ÷ The difference in width (x co-ordinates). If the answer is a positive value then the line is uphill in direction.
helpppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppp
Answer: A)10 B)14 C) 12 D)10
Step-by-step explanation:
You would cross multiply and divide! So for part A you would multiply 2x55 which equals 110 then divide that by 11 and get 10. You then repeat that for each part!
someone please help me with this!!!
Answer:
it would be 3 85
Step-by-step explanation:
but rounded would be 3 100 pls mark as brainliest
Look at attached link
Answer:
[tex]-1\frac{13}{16}[/tex]
Step-by-step explanation:
Hello There!First let's put our equation to get started
[tex]-3\frac{5}{8}\cdot\frac{1}{2}[/tex]
We can make this an improper fraction by multiplying the integer with the denominator.
Then you would add the total you got with multiplying the total that you got from the whole number and the denominator
DefinitionAn integer is colloquially defined as a number that can be written without a fractional component[tex]-\frac{29}{8} \cdot\frac{1}{2}[/tex]
Now we can solve it
[tex]-29\cdot1=-29[/tex]
[tex]8\cdot2=16[/tex]
Now our equation is
[tex]-\frac{29}{16}[/tex]
ReduceDefinition - reduction refers to the rewriting of an expression into a simpler form. For example, the process of rewriting a fraction into one with the smallest whole-number denominator possible
Once we've reduced we will have our equation being
[tex]-1\frac{13}{16}[/tex]
Have a good day :) !Three partners are investing a total of $900,000 to open a garden and landscaping store. Their investments are in the ratio of 2:3:5. .
100% of will give me 93
Answer:
Hi Wdym m=by 100% of will give me 93
Step-by-step explanation:
what is the answers to 10% of 50 i multiply 10 x 50
NO!!!!!!!!!!
10% of 50 is 50/100x10 0r simply 50/10, so the answer is 5
Answer:
5
Step-by-step explanation:
10%×50=10/100×50
=5
work out 4 1/2 - 1 1/3
Answer:
3 1/6
brainliest?
What is the diameter of a circular swimming pool with the radius of 8 feet
w + 12 = 20 *
ANSWER ASAP PLS
Answer:
the nwser is 8 please mark brainliest
Step-by-step explanation:
A necklace is made from 2 purple pyramids and 12 yellow spheres. What is the ratio of pyramids to spheres in its simplest form?
Answer:
1:6
Step-by-step explanation:
2:12
\/
1:6
Have a nice day!
If this is not what you are looking for - comment! I will edit and update my answer accordingly. (ノ^∇^)
- Heather
Answer:
1:6
Step-by-step explanation:
2/12 = 1/6
Helppp pleasee ........
Answer:
y=3
Step-by-step explanation:
y = - x +7
x=4
so y = -4 +7
y = 3
find the value of:
64 x (1/4)³
A. 1
B. 4
C. 15
D.64
brainliest if correct!!
Answer:
The answer is A. 1
you're welcome
Grant bought 30 movie tickets for a total of $200. Adult tickets cost $8 each, child tickets cost $3.50
each, and senior tickets cost $6 each. He bought twice the number of adult tickets than the number of
child and senior tickets combined. How many of each type of ticket did Grant buy?
Answer:
Step-by-step explanation:
HELP PLSSS!!!
What is the equation of the line?
A: y=2x+2
B: y= 1/2x -4
C: y=1/2x + 2
D: y=2x-4
GIVING BRAINLY TO CORRECT ANSWER
Answer:
The answer is C
Step-by-step explanation:
Hope that helps ;)
can yall help me with the problem ?!
Answer:
Yeah its 0.25 Please mark brainlist
Step-by-step explanation:
2m to 2km converted representative fraction
Answer:
1/1000
Step-by-step explanation:
How many months would it take the bamboo plant shown in the graph to be 66 inches tall
Answer:
18 months
Step-by-step explanation:
c
GUYYSSS HURRY I NEED HELP
Answer:
y≤3-3x
This is because the shaded region is facing down so its not facing Y and 3-3x is the equation of the line.
At an electronics store, Tim earns $15 per hour, plus a 6% commission on his sales. If he works 6 hours and sells $800 in merchandise, how much does he earn in total?A)$138B)$154C)$172D)$196
Answer:
A. 138
Step-by-step explanation:
Total money earned by Tim is $138. Therefore, option A is the correct answer.
Given that, Tim earns $15 per hour, plus a 6% commission on his sales.
What is a unitary method?The unitary method is a technique for solving a problem by first finding the value of a single unit, and then finding the necessary value by multiplying the single unit value.
Tim works 6 hours and sells $800 in merchandise.
So, total income = 15×6 + 6% of 800
=90+0.06×800
=90+48
=$138
Total money earned by Tim is $138. Therefore, option A is the correct answer.
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Which of the following best describes the graph shown below?
Answer: D
Step-by-step explanation:
solve pls brainliest
Answer:
64%
Step-by-step explanation:
Step 1: Divide 16 by 25
-> [tex]\frac{16}{25}[/tex] -> [tex]0.64[/tex]Step 2: Multiply quotient by 100.
[tex]0.64 * 100[/tex] [tex]6.4 * 10[/tex] [tex]64[/tex] 64%Therefore, 16/25 as a percentage is 64%.
Answer:
Well you can make a proportion
Percentage means ”Out of a hundred”
So you can make a proportion with any fraction Equal to x/100 since
X is the unknown perctange.
in this case it’s 16/25
16/25 = x/100
So cross multiply To solve for X
1600= 25x
x= 64
So 64 Percent
In this case you can use benchmarks. If you do it more or long enough, you’d memorize them.
In this case 25 is a bench mark of 1/4 or 25. 25 goes into 100 4 times so you can multiply 16 by 4 to get your percentage since if you do multiply 4, you have to do it to both the numerator and the Denominator.
so 16/25
16*4= 64
25*4=100
64/100 or 64 percent.
Common benchmarks for percentages
5, 10, 20, 25, 50
5 is always multiply by 20
10 is always multiply by 10
20 is always multiplied by 5
25 is always multiplied by 4
50 is always multiplied by 2
Look at pic! It isnt A!
