All tests across the world are different even if they're the same subject and stuff. I think it's easier for you to study, so if you have any questions about them please post them on Brainly!
Which graph represents-3x - 4y ≤ 2?
Answer:
B
Step-by-step explanation:
the sum of 8 times a number and 6 is 3
Answer:
Sum means '+'
is means '='
a number means 'x'
3x + 6 = 8
I hope this helped!
Find the x value of x. If necessary round to the nearest tenth. A=49sq.in.
Answer:
Step-by-step explanation:
Alright, lets get started.
Area is given as 49 square inches.
The formula for area A =
base is given as x
Height is given as x
Hence area is A
A =
Multiplying 2 in both sides
Taking square root on both sides
hence the answer is x = 9.9 in : Answer
Hope it will help :)
What's the answer for this question?
This question is way too long
[tex]83 {p}^{3} {q}^{2} {r}^{2} + 83p {q}^{2} {r}^{3} [/tex]
Answer:
83p^9 + q^7 + r^6 + 83p + r^6
Step-by-step explanation:
^9 means to the power of 9
^7 means to the power of 7
^6 means to the power of 6
i can't do step-by-step, it's too complicated to explain. im sorry
<3
Alicia says the expression 2(m +4)+5 is equivalent to the expression 2m+13. Identify two properties that can be used to support Alicia's claim and justify your answer
In the diagram below, line f is parallel to line g, and line l intersects them as shown.
If m 2 is increased by moving line l, which statement is true?
A. m 8 would increase
B. m 6 would decrease
C. m 4 would remain the same
D. m 3 would increase
Answer:
m 8 would increase, or A
Step-by-step explanation:
Consider the sequence of steps to solve the equation:
5(x - 3) = 7x/2
Step 1 ⇒ 10(x - 3) = 7x
Step 2 ⇒ 10x - 30 = 7x
Step 3 ⇒ 3x - 30 = 0
Step 4 ⇒ 3x = 30
Step 5 ⇒ x = 10
Identify the property of equality which yields Step 5.
A. Division Property
B. Addition Property
C. Subtraction Property
D. Multiplication Property
HELP ASAP WILL MARK BRAINLIEST PART 2
Answer:
6) 2nd option
7) 1st option
8) [tex]\sqrt{576} = 24[/tex] in
Answer:
Q6. A = s²
Q7. s = √A
Q8. 24 inches
Step-by-step explanation:
Q8.
√576 = 24in.
6. Jane put a fence around her square backyard. She used 112 feet of material in total. What is
one side length of her backyard?"
Answer:
28 ft
Step-by-step explanation:
112 ft / 4 sides (since it is a square background)
112/4 = 28 ft/side length.
Bess and Carolina and their 14 classmates write their names on cards. The teacher, Miss Scott, picks two cards without replacing the first card. What is the probability that Bess is chosen first and Carolina is chosen second?
Answer:
Step-by-step explanation:
Help plz no links will mark brainliest if correct!
Answer:
8
Step-by-step explanation:
Because when you add them you get 2m+8/2m
Which is equal to 8/1 or 8
Answer:
8
or
[tex]\frac{2m(m+4)}{(m+1)(m-1)}[/tex]
Depends what the question is asking for...
Write four consecutive numbers with a mean and medium of 14.5
Answer:
13, 14, 15, 16
Step-by-step explanation:
Call the first number n. Then the next three consecutive numbers (assuming integers) are n + 1, n + 2, n + 3.
The mean is the total of the numbers divided by how many there are.
[tex]\frac{n+(n+1)+(n+2)+(n+3)}{4}=14.5[/tex]
Simplify and multiply by 4.
[tex]4n+6=58\\4n=52\\n=13[/tex]
The first number is 13.
The median is 14.5, halfway between the "middle" numbers 14 and 15. This is just a check; no additional equation is necessary.
Cindy was using her cell phone app to record the wait time for various rides at an amusement park. Below are the times that she recorded in minutes. 20, 34, 40, 41, 50, 50, 53, 56, 57, 58, 64, 70 Which histogram represents the results?
Answer:
D I took this today math 6th grade
Step-by-step explanation:
$115. Today, the price rose to $161. Find the percentage increase.
$
?
Answer:
40%
Step-by-step explanation:
Each of 8 ladies randomly chooses a woolen overcoat from 14 different styles. What is the probability that at least 2 ladies choose the same type of overcoat?
choices
≈ 0.820
≈ 0.918
≈ 0.929
≈ 0.894
Answer: 0.894
Step-by-step explanation:
Answer:
≈ 0.918
Step-by-step explanation:
Use the complement since the probability of at least 2 ladies choose the same type of overcoat is much more challenging than finding the probability that all the ladies choose a different overcoat.
P(at least 2 ladies choose the same type of overcoat) = 1 − P(all choose different)
Find the probability that they all choose a different type of overcoat.
Now use the complement to determine the probability that at least 2 ladies choose the same type of overcoat.
P(at least 2 ladies choose the same) =
1 − P(all choose different)
≈ 1 − 0.0820
≈ 0.918
The probability that at least 2 ladies choose the same type of overcoat is approximately 0.918 or 91.8%.
what is the value of x in the nearest whole number
Answer:
16
Step-by-step explanation:
To calculate x we must use the trig function of tangent:
as tangent is opposite divides by adjacent we can get this equation:
[tex]\tan 30 = \frac{9}{x}[/tex] which is equal to:
[tex]x=\frac{9}{\tan 30}[/tex] So x must equal to 15.588.. (just put the second bit in the calculator
As all the values provided are integers you round this to the nearest whole number:
16 (as the third digit, 5, rounds up)
so our answer is 16
What is the volume of plastic used to construct the rocket if it is a solid? Round your answer to the nearest cubic inch
Answer:
151 in^3
Step-by-step explanation:
please find the image required to answer this question in the attached image
The rocket consists of two shapes - a cone and a cylinder
the volume of the plastic = volume of cone + volume of cylinder
volume of a cylinder = nr^2h
Volume of a cone 1/3(nr^2h)
n = 22/7
r = radius
the diameter is the straight line that passes through the centre of a circle and touches the two edges of the circle.
A radius is half of the diameter
Radius = 5/2 = 2.5
Height of cone = 11 - 6 = 5
Volume of plastic = (22/7) x (2/5^2) x 6 + (1/3) x (22/7) x (2/5^2) x 5 = 117.9 + 32.7 = 150.6 in^3 = 151
An 80% confidence interval is found to be (12, 20). What is the margin of
error?
Answer:
4
Step-by-step explanation:
A p e x
Answer:
4
Step-by-step explanation:
4
A plant is 5cm tall and growing at a rate of 3cm a month. How many months would it take for the plant to reach 23cm?
Answer:
6 months
Step-by-step explanation:
5cm +3x = 23 (goal)
-5 -5
3x=18
x=6 months
Answer:
plant b height will exceed the height of plant a after 16 days.
Step-by-step explanation:
Plant a: 5 cm tall and rate of change = 3 cm per month
Plant b: 4 cm tall and rate of change = 5 cm per month.
Now we have to form the linear equations.
Plant a:
y = 3x + 5, where y is the total height and "x" be the number of months.
Plant b:
y = 5x + 4 , where y is the total height and "x" be the number of months.
Now we have to when the height of the plant a and plant b are the same.
To do that, we have to equivate both the equations and find x.
3x + 5 = 5x + 4
Isolate the variables terms and constants.
5x - 3x = 5 - 4
2x = 1
Dividing both sides by 2, we get
x = 1 ÷ 2
x = 0.5 months.
So after 15 days, the height of the plant a and plant b are the same.
Therefore, plant b height will exceed the height of plant a after 16 days.
which number is equivalent to (-14+6)-8÷4×4
Answer:
-16
Step-by-step explanation:
(-14+6)-8/4x4
-14+6=-8
-8-8/4x4
Following order of operations, we divide first, then multiply, then add/subtract.
-8-(8/4)x4
-8-2x4
-8-(2x4)
-8-8
-16
---
hope it helps
Answer: its -16
Step-by-step explanation:
is y= 4/5x -8 and y -= -5/4x = +3 parallel perpendicular or neither
Answer:
perpendicular
Step-by-step explanation:
perpendicular if the product of their slopes is equal to -1
Parallel lines have equal or identical slopes
Find the area of the following color regions?
Answer:
72 m²
Step-by-step explanation:
12 m × 8 m = 96 m²
(12 × 4) ÷ 2 = 24 m²
96 m² - 24 m²
72 m²
Question 13
Find the area of the (gray) shaded region. (2 tangent circles inscribed in a rectangle):
20
Answer:
42.92 square
Step-by-step explanation:
The radius of the circles is 5m
So, area of 1 circle is π(5×5)=78.54 square
Two areas will (78.54+78.54)=157.08 square
Rectangles height is ( 5+5)=10m
Rectangles area is (10×20)=200 square
Shaded region=(200-157.08) square =42.92 square
I will report files and unhelpful answers!
For his phone service, Frank pays a monthly fee of $28, and he pays an additional $0.05 per minute of use. The least he has been charged in a month is $88.20.
What are the possible numbers of minutes he has used his phone in a month?
Use for the number of minutes, and solve your inequality for.
Answer:
m > = 1204 minutes
Step-by-step explanation:
28 + 0.05m>=88.20
Subtract 28 from both sides. Then divide both sides by 0.05 to get:
m >=1204 minutes
Answer:
The answer is 1204 minutes.
Step-by-step explanation:
First, take away the monthly fee of 28$ of 88.20$. This gets you 60.20$. Then you divide by 0.05$ because this is how much for each minute. 60.20$/0.05$= 1204. Meaning it is 1240 minutes.
88.20-28= 60.20
60.20/0.05= 1240
Hope these formulas help! (:
graph the function in the image.
Answer:
Here is the graph to the intercepts.
Step-by-step explanation:
Graph of (6, 4), (4, 3), (-2, 0)
Hope it helps :)
Give the most precise classification for each figure
Answer:
D
Step-by-step explanation:
Answer:
A. Quadrilateral
Step-by-step explanation:
quardrilateral Shapes have 4 corners. and That is the Most Precise classification of this Shape
There are 630 calories in seven ounces of a certain ice cream. How many calories are there in two pounds?
\text{1 pound}=
1 pound= 16 ounces
How many calories are there in 32 ounces?
Answer:
630c=7ou
1ou=90c,
1po=16(90c)
2po=x
x=288calories
Which of these is true?
a) Some ordered pairs of real numbers are not points in the Cartesian coordinate system.
b)Only integer ordered pairs are allowed in the coordinate system.
c)There is no point in the coordinate system with the ordered pair (T, Tt)
d)all of the above are false
9514 1404 393
Answer:
d) all of the above are false
Step-by-step explanation:
Every ordered pair of real numbers is a point in the Cartesian coordinate system.
The various statement saying otherwise are all false.
Which of these is a solution to the equation 1/8=2/5•x 2/40, 5/16, 17/40, 11/40
Answer:
Simple, [tex]1/8=2/5x[/tex] so [tex]1/8/2/5=x[/tex] would become [tex]x=1/20[/tex], which is equal to 2/40 :)
Step-by-step explanation:
write the exponential equation that models the sequence: 15, 30, 60, 120…
Answer:
y=15(2)ˣ
Step-by-step explanation:
If each term is being multiplied by 2 starting with 15, then the exponential equation that models this sequence is y=15(2)ˣ where x is the nth term of the sequence.
Answer:
mrk me brainliest first plzz
Step-by-step explanation: