Answer:
n= -5
Step-by-step explanation:
Answer:
Step-by-step explanation:
-n is -5
pls mark brainliest
Twenty people attended a going away party for Zach.The guest left in groups of 2.By 9:00,x groups had left.Rewrite the number of guests remaining at 9:00 as a sum.
Answer:
The number of guests remaining at 9:00 is;
(20-2x)
Step-by-step explanation:
From the question, we are told that x groups have left
Since they are leaving in groups of 2, x groups means a total of x * 2 = 2x
So we have 2x left out of a total 20; the people remaining at the party will be;
20-2x
Factorise fully X^2 subtract 2x
Answer:
x(x-2)
Step-by-step explanation:
X^2-2x
x(x-2)
Find the quotient.
(12x2 - 10x-12) = (3x + 2)
Gcf of 5y^2, 10y, 30
5 divided by 7/8 as a fraction
Pls help 44 points
Answer:
5.714 (rounded to the nearest thousandth)
Step-by-step explanation:
What is the side length of a square with the area of 20cm2
Answer:
S = a² => 20 = a² => a = √20 ≈ 4.5 cm
Step-by-step explanation:
80^2 - 45^2 = a^2 - b^2
ans pls in working, thnx in advance
Answer:
[tex]{a}^{2} - {b}^{2}= {(80)}^{2} -{(45)}^{2} \\(a + b)(a - b) = (80 + 45)(80 - 45) \\ = 125 \times 35 = \boxed{ 4375}✓[/tex]
4375 is the right answer.The average diameter of red blood cell is 0.000007m. Write this measurement in scientific notation.
Answer:
Step-by-step explanation:
7 x 10^-6 You're basically just moving the decimal place over six times until there is a whole number before the decimal.
What is the distance from (6,0) to (8,0)?
Answer:
The distance should be 10 I believe
3. *
2 points
Jessica bought seven boxes. A week later
half of all her boxes were lost during a
move. There are now only 13 boxes left.
With how many did she start?
Answer:
19 boxes
Step-by-step explanation:
There is a bag with only red marbles and blue marbles.
The probability of randomly choosing a red marble is
6 over 7 as a fraction.
There are 30 red marbles in the bag and each is equally likely to be chosen.
Work out how many marbles in total there must be.
What is the missing value:
[tex]\frac{16}{1}[/tex] =[tex]\frac{x}{2 \frac{1}{2} }[/tex]
Answer:
[tex] x = 40 [/tex]
Step-by-step explanation:
[tex] \dfrac{16}{1} = \dfrac{x}{2 \frac{1}{2}} [/tex]
Convert the mixed numeral into a fraction.
[tex] \dfrac{16}{1} = \dfrac{x}{\frac{5}{2}} [/tex]
Multiply both sides by 5/2.
[tex] \dfrac{5}{2} \times \dfrac{16}{1} = x [/tex]
[tex] x = \dfrac{80}{2} [/tex]
[tex] x = 40 [/tex]
Does anyone know???? (im writing this to get to 20 letters)
Answer:
x > 17
Step-by-step explanation:
Given equation:
2(x - 6) + 7 > 3x - 4(x + 8)
2x - 12 + 7 > 3x - 4x + 32 ^ Distributive Property
2x - 19 > -1x + 32 ^ Combine like-terms
3x - 19 > 32
3x > 51
x > 17
GRAPH:
17
O-------------------->
X is anywhere after O
- Question 11
Mrs. Pitoya has 30 apples and is buying more apples in crates containing 20 apples each. She needs 130 apples for a harvest celebration at her school,
Which equation and solution correctly represent x, the number of crates of apples Mrs. Pitoya needs to buy?
Answer:
Mrs pitoya has to buy 9 crates of apples
Answer: She only needs to buy 5 more crates of apples.
30 + 20(x) = 130
30-30+20(x)=130-30
20x = 100
x = 5
Step-by-step explanation:
Classify the quadrilateral then find the values of the variable (s) PLS HELPPP
Answer:
x = 58°, y = 32°
Step-by-step explanation:
all sides are equal, hence it is a rhombus.
in a rhombus, diagonals meet at 90degree..
hence in triangle,
58 + 90 + z = 180 (asp of a triangle.)
z = 32
y = z ( alternate interior angles as lines are parallel in rhombus)
y = 32
in the bigger triangle,
angles opposite to equal sides are equal, hence,
32 + 32 + (58 + x) = 180 ( angle sum property of a triangle,)
hence, x = 58
therefore,
x = 58°, y = 32°
Find the approximate perimeter of pentagon ABCDE plotted below.
A(-6,5)
B(-2,5)
C(6,0)
D(2,-4)
E(-6,1)
Answer: 32.5
Step-by-step explanation:
This is the answer on Khan Acadamy
Answer: 32.5
Step-by-step explanation: Khan Academy
7 How long is it:
a) from 18:00 until 0945 the next day?
b) from 07:30 until 01 45 the next day?
c) from 18:50 until 09 20 the next day?
d) from 08 10 until 00 35 the next day?
Find the median of the data in the box plot
below.
cookies
Number of cookies eaten
by each contestant
H
HHH
HHHH
2 4 6 8 10 12 14 16 18 20 22 24 26 2830
Answer:8
Step-by-step explanation:
Khan academy answer
What is the common ratio of 9, 81, 729. -6561
Given:
Consider the given sequence is 9, 81, 729, 6561.
To find:
The common ratio.
Solution:
We have,
9, 81, 729, 6561
Here,
First term = 9
Second term = 81
Divide the second term by first term to get the common ratio.
[tex]r=\dfrac{81}{9}[/tex]
[tex]r=9[/tex]
Similarly,
[tex]\dfrac{81}{9}=\dfrac{729}{81}=\dfrac{6561}{729}=9=r[/tex]
Therefore, the common ratio is 9.
Karen spent $17.59 on supplies that she is going to use to make jewelry. How much would she spend if her money was rounded to the nearest dollar? Remember, this is a money problem. Don't forget to use the proper symbols.
Answer:
$18.00
Step-by-step explanation:
Answer: 18$
Step-by-step explanation:
17.59 is the current amount if you round to the nearest dollar the .5 will make the 7 go up in value meaning it will turn into a 8
i need help with this problem -2.75 minus 72.9 plus .09 what does it equal
Answer:
-75.56
Step-by-step explanation:
If you subtract -2.75 from 72.9 you will get 75.65 and if you add up 75.65 + .09 you will get -75.56.
Your welcome!
Expand and simplify (x + 5)(x + 4)
Answer:
(x+5)⋅(x+4)= x2+9x+20
Step-by-step explanation:
(x+5)(x+4)
=x
2
+4x+5x+20=
=x
2
+9x+20
Step-by-step explanation:
(x+5)(x+4)
x(x+4)+5(x+4)
x(x+4)+5(x+4)
x2 +4x+5(x+4)
x2+4x+5(x+4)
x2+4x+5x+20
x2+4x+5x+20
x2+9x+20
solution
x2+9x+20
If 20 is 40% of a value,what is that value
Answer:
50, 20 is 40 %
to get from 40 % to 100% you multiply by 2.5
20 times 2.5 is 50
50 is 100%
Step-by-step explanation:
hope this helps have a good day :) ❤
Need help ASAP
Thanks+ BRAINLIST only for correct answers
I'm sure it's scatter plot b
look at screenshot and answer question
Answer:
24x+32
Step-by-step explanation:
=(3x+4)(8)
=(3x)(8)+(4)(8)
=24x+32
PPPLEEASSSEREE
Add. What is the sum (2 x 10") + (7 x 101 ) in scientific notation?
Answer:
Simplify the expression? Is it: 2 x 10 '' + 707 x ....?
Two ordered pairs that would form a direct variation
Answer: Yes, it is a direct variation. If the ordered pairs form a direct variation, the rate of change is constant and the ratio of y over x is constant.
Step-by-step explanation:
[tex]\sqrt[47][134}[/tex]
What is the perimeter of the regular heptagon below?
Answer:15.65
Step-by-step explanation:
pythagoras 12cm + 17cm
Answer 433=20.81
Step-by-step explanation: