I think of a number, double it and the result is 15
The number in question is 7.5
Step-by-step explanation:
15 ÷ 2 = 7.5
Why divide by 2? Because dividing by 2 is the inverse of multiplying by 2. To double-check our solution, just multiply 7.5 by 2... and 15!!
If two lines are skew lines, then they are not parallel
Answer:
Hello~
Llamalover here!
Skew lines are never parallel.
Skew lines are non-coplanar lines that do not intersect,
and parallel lines are coplanar lines that do intersect.
Step-by-step explanation:
I hope this helps!
Brainly?
In 3D geometry, diagonal lines are two lines that do not intersect and are not parallel. A simple example of a pair of diagonal lines is a pair of lines that pass through the opposite edge of a regular tetrahedron.
Can diagonal lines be parallel?Some pairs of diagonal lines are also parallel. This is incorrect. By definition, diagonal lines are on different planes and parallel lines are on the same plane. The two lines can be diagonal or parallel (or both), but not both.
The position of the twist is two lines that do not intersect and are not parallel to each other. Diagonal lines can only exist in dimensions higher than 2D space. They do not have to be coplanar. That is, such lines are in different planes. In a two-dimensional space, two straight lines can intersect or run parallel to each other.
Learn more about skew lines here: https://brainly.com/question/2099645
#SPJ2
Tell whether the angles are adjacent or vertical. Then find the value of x. (4x-25)
Answer:
i dont see the angles but heres how to solve for X
Step-by-step explanation:
Is it or not pls I need help
Answer:
no it is not
Step-by-step explanation:
i drew the line bc in order for it to be a function there would have to be only one point in each line
hopefully this helps :)
have a nice day !!
How many solutions does the equation −2a + 2a + 7 = 8 have?
One
Two
None
Infinitely many
Answer:
None.
Step-by-step explanation:
let's check it
- 2a + 2a + 7 = 8
7≠ 8
So there's no solution for the given equation.
hi I really need help with this
Answer:
t - 4 ≤ 4
Step-by-step explanation:
Hi I really need help with this
The number line represents t ≤ 8
Since the line is on 8 and moving towards the negative part of the number like (less than)
The equivalent equation will be;
t - 4 ≤ 4
Ads 4 to both sides
t-4+4≤4+4
t ≤ 8
Since the solution is similar to the expression above hence t - 4 ≤ 4 is correct
what is the value of x ?
a. 10.4
b. 52
c. 61.6
d. 92
Please need help with this question
Answer:
Arc RP is 125 degrees, arc QS is also 125 degrees, and I think the ast one would be 110 degrees
Step-by-step explanation:
PLZ HELP ME OUTTTTTTTTT
66 points
Answer:
The vertex is at [tex](0, -9)[/tex]
The axis of symmetry [tex]x = 0[/tex]
Step-by-step explanation:
Note: You can answer all the questions looking at the graph
We have the function [tex]f: \mathbb{R} \rightarrow\mathbb{R}[/tex](I am assuming this) such that [tex]f(x) = y = (x-3)(x+3)[/tex]
We note that
[tex](x-3)(x+3) = x^2-9[/tex] once we have a difference of squares
Therefore, we have a quadratic function.
So
[tex]y = x^2-9[/tex]
The vertex [tex](h, k)[/tex] is
[tex]h = \dfrac{-b}{2a} = \dfrac{-0}{2 \cdot 1} = 0[/tex]
[tex]k= h^2 - 9 = 0^2 - 9 =-9[/tex]
Therefore, the vertex is at [tex](0, -9)[/tex]
As we know the vertex, we conclude that the axis of symmetry [tex]x = 0[/tex]
The x-intercepts occur at [tex]y = 0[/tex]
[tex]y = (x-3)(x+3) \implies x = -3, x=3[/tex]
So, the left x-intercept is [tex](-3, 0)[/tex] and the right x-intercept is [tex](3, 0)[/tex]
As I stated in the beginning, the domain is the set of all real numbers. Precisely,
[tex]Dom(f) = \mathbb{R} = (-\infty, \infty)[/tex]
Once, we know the vertex, we also conclude that the Range is
[tex]Ran(f)= [-9,\infty)[/tex]
Greater than or equal to -9
Please help and explain the steps thank you!
Answer:
X》55
Step-by-step explanation:
hope it helps u
have a great day!!
Matthew got a 90% on his math test and had only 3 incorrect answers. How many
questions were on the test in all? |
Answer:
B
Step-by-step explanation:
Becaus e that wahta is said
Please help for 10 ponits
Answer:
it's a yes
Step-by-step explanation:
X/6 ≤ 30
to find the value of X we have to move the numerical to the other side
in this case the number is 1/6
X * 1/6 ≤ 30
so to balance the both side and get rid of the number on the left side we multiple with 6.
1/6*6 = 1 on the left side
30*6 = 180 on the right side
so the full equation will be
X * 1/6 * 6 ≤ 30 * 6
X * 1 ≤ 180
X ≤ 180
Complete this page STEP BY STEP
Answer:
Sample space is the collection of all possible events.
So, sample space of tossing two coins, S=(H,T),(T,T),(T,H),(H,H)
Step-by-step explanation:
help asap please!!!!
Answer:
F=(-1, -2)
G=(-3, -5)
H=(-3, -2)
Step-by-step explanation:
Find the area of the shaded polygons:
Answer:
4 sq. un
Step-by-step explanation:
PLS HELP
Cindy wants to sell 300 shares of a company’s stock at the market price of $25 per share. She looks up online brokers and the fees they charge. Arrange the brokers’ fees in order from least to greatest.
(i looked at other brainly answers to this question and they were all different to each other like there were 3 diff answers)
Answer:
Step-by-step explanation:
It's in the same order, from broker 1 down to broker 5. Straight up
Answer:
Broker E
|
V
Broker C
|
V
Broker D
|
V
Broker B
|
V
Broker A
The following system of equations is
y=--x+ 2
-
3 3
2x + 6y = 4
O equivalent
O independent
inconsistent
Answer:
equivalent
Step-by-step explanation:
when you divide the second one by 2 you'll get the first one
PLEASE HELP
A family originally bought a home for $712,980. Now, a few years later, the home is
worth $1,180,627.70. What was the percent of increase in its value? (Round your answer to
the nearest whole number.)
Answer:
86
Step-by-step explanation:
i will give a crown if you are the first one to answer and if you get it right and if you just get it right then i will i give you a full star rating and a thanks
Question
( 10 + 5x )7
Lets solve this easily.
So, basically, 10 + 5x is 15 but we still didn't
get rid of the x so therefore it's still 15x and then there's 7 so we multiply 15 x 7 giving us 105x.
Hence, the answer is.
(C), 70 + 35x is the answer.
Nathan is baking cookies and the recipe calls for 3 2/3 cups of water. He needs to make 1 whole batch and only 1/2 of another batch, for a total of 1 1/2 batches.
How much water will Nathan need to bake the cookies? Draw a diagram to show how much water will be needed.
Answer:
Around 5.5 or 5 1/2
Step-by-step explanation:
0.04 as a fraction (out of 100)
Answer:
4/100
Step-by-step explanation:
0.04 = 4/100
Evaluate 6x if x= 1/2
Answer:
3
Step-by-step explanation:
6 * 1/2 = 3
What is the average rate of change of g over the interval [-1 4]
Answer:
your answer will be -1.2
Step-by-step explanation:
hope it helps you
have a great day
Slope -7 and y-intercept (0,9)
Answer:
y=-7x+9
Step-by-step explanation:
trigonometry, find the missing side(s)
Answer:
x = 8.92 units
Step-by-step explanation:
From the triangle given in the picture,
Missing side of the triangle is the opposite side of the angle measuring 28°
And hypotenuse measuring 19 units has been given.
So, we will use sine ratio for the given angle.
sin(28°) = [tex]\frac{\text{Opposite side}}{\text{Hypotenuse}}[/tex]
sin(28°) = [tex]\frac{x}{19}[/tex]
x = 19sin(28°)
x = 8.92 units
Sarah canceled her cable package. It cost $89 a month—for that price, she could subscribe to six streaming services, plus have an extra $5 left over each month!
a. Write an equation that you can use to find out how much each streaming service costs, assuming they all cost an equal amount.
b. How much does each streaming service cost?
Answer:
a.(89-5)divided by 6 = 14 b. 14
Step-by-step explanation:
a.
(Please help) Find the area of the trapezoid.
12 in.
3 in.
in.
The area is
square inches.
In Hickory, North Carolina, the temperature was 20 degrees on a very cold
morning. If the temperature dropped 25 degrees, what is the temperature
now?
0 degrees
-5 degrees
-15 degrees
45 degrees
Answer:
-5 degrees! If you did 20-25 it would get you -5! Hope this helps :)
Step-by-step explanation:
I will mark as brainlest if correct please
Answer:
with these number it is impossible to use the correct equation to solve this
I've already tried multiple times the best guess I can give you is B.
Pyramid A has height 5 1/2, and Pyramid B has height 2 3/4. A and B are similar. What is the ratio of their:
Lateral areas?
Volumes?
Answer:
Lateral areas have ratio of 4:1
Volumes have ratio of 8:1
Step-by-step explanation:
There is a rule in 3D geometry that when two solids are similar, and their edges are in the ratio of [tex]a:b[/tex], the ratio of any surface area type measure is always [tex]a^2:b^2[/tex] this includes the lateral area, which is just a surface area minus the base, which is not important for this problem. The ratio of volumes of those similar solids is in the ratio of [tex]a^3:b^3\\[/tex].
Now, to solve this, we need to find the ratio of any corresponding length of these similar pyramids. We have both the heights, so if we form a ratio of [tex]\frac{5\frac{1}{2} }{2\frac{3}{4} }[/tex] which if you simplify it, it is [tex]\frac{5.5}{2.75}[/tex], which is [tex]2[/tex]. The ratio of the heights are [tex]2:1[/tex].
Now we can apply those rules to this ratio, the ratio of lateral areas would then be [tex]2^2:1^2[/tex], which is [tex]4:1[/tex]. the ratio of volumes would be [tex]2^3:1^3[/tex], which is [tex]8:1[/tex]