Answer:
i think 25 couse... it depends of degre of triangle but just draw it and u will see
Please hep me with this question. Thanks!
1 + 2 + x 7 + 2?
Answer:
7x+5
Step-by-step explanation:
What is -6(4x+2) in math?
7b) A recipe for salad dressing calls for 3 tablespoons of oil for every 2 tablespoons of
vinegar. The line represents the relationship between the amount of oil and the amount of
vinegar needed to make salad dressing according to this recipe. The point (1,1.5) is on the
line.
In the box below, write an equation that represents the relationship between oil (o) and vinegar (V)
Explain the meaning of the point (1,1.5).
Answer:
the meaning of 1, 1.5 is that 1.5 is the oil sad and the 1 is the vinegar.
Step-by-step explanation:
I need help please .
Answer:
14
Step-by-step explanation:
2 (5) + 4 (5) - 9 - 7 = 14
HELP FAST!!!!
A software designer is mapping the streets for a new racing game. All of the streets are depicted as either perpendicular or parallel lines. The equation of the lane passing through A and B is -7x + 3y = -21.5. What is the equation of the central street PQ?
A. -3x + 4y = 3
B. -1.5x − 3.5y = -31.5
C. 2x + y = 20
D. -2.25x + y = -9.75
Answer:
[tex]-1.5x - 3.5y =- 31.5[/tex]
Step-by-step explanation:
Given
AB: [tex]-7x + 3y = -21.5[/tex]
[tex]PQ(x_1,y_1) = (7,6)[/tex]
Required
Determine the equation of PQ
First, we calculate the slope of AB:
[tex]-7x + 3y = -21.5[/tex]
Make 3y the subject
[tex]3y = 7x - 21.5[/tex]
Make y the subject
[tex]y = \frac{7}{3}x - \frac{21.5}{3}[/tex]
An equation has the general form:
[tex]y = mx + b[/tex]
Where m = slope
So:
[tex]m = \frac{7}{3}[/tex] -- Slope of AB
From the attached diagram, we can see that PQ is perpendicular to AB.
This means that, the relationship between their slope is:
[tex]m_2 = -\frac{1}{m_1}[/tex]
Substitute 7/3 for m1
[tex]m_2 = -\frac{1}{7/3}[/tex]
[tex]m_2 = -\frac{3}{7}[/tex]
The equation of PQ is then calculated as:
[tex]y - y_1 = m(x - x_1)[/tex]
Where
[tex]m = m_2 = -\frac{3}{7}[/tex]
and
[tex]PQ(x_1,y_1) = (7,6)[/tex]
So, we have:
[tex]y - 6 = -\frac{3}{7}(x - 7)[/tex]
Multiply both sides by 7
[tex]7(y - 6) = -\frac{3}{7}(x - 7)*7[/tex]
[tex]7y - 42 = -3(x-7)[/tex]
Open bracket
[tex]7y - 42 = -3x + 21[/tex]
Collect Like Terms
[tex]3x + 7y = 42 + 21[/tex]
[tex]3x + 7y = 63[/tex]
Divide through by -1/2
[tex]-\frac{1}{2}(3x + 7y) = -\frac{1}{2}*63[/tex]
[tex]-1.5x - 3.5y =- 31.5[/tex]
The equation of PQ is: [tex]-1.5x - 3.5y =- 31.5[/tex]
Answer:
B. -1.5x − 3.5y = -31.5
Step-by-step explanation:
Got it right on the test. ; )
please help !!!!!!!!!!!!
m=s(q_2-q_1)
m/s=q_2-q_1
q_2=m/s + q_1
[tex] \tt \dashrightarrow m = s(q_2 - q_1) [/tex]
[tex] \tt \dashrightarrow \dfrac{m}{s} = q_2 - q_1[/tex]
[tex] \tt \dashrightarrow \dfrac{m}{s} + q_1= q_2[/tex]
[tex] \tt \dashrightarrow q_2 = \dfrac{m}{s} + q_1[/tex]
[tex] \large \underline{\boxed{\bf{q_2 = \dfrac{m}{s} + q_1}}}[/tex]
Hence, value of [tex] \tt q_2 = \dfrac{m}{s} + q_1[/tex]
how can using trigonometry you can find the height of a flagpole?
Answer:
As for the trig functions (sine, cosine, and tangent), you can use the angle you are interested in, θ, and the lengths of the sides of the triangle based off of angle θ to find an unknown length in the triangle.
sinθ = [tex]\frac{opposite}{hypotenuse}[/tex]
cosθ = [tex]\frac{adjacent}{hypotenuse}[/tex]
tanθ = [tex]\frac{opposite}{adjacent}[/tex]
Essentially, if you know the measure of one of the angles in the triangle (not including 90°, and the measure of at least one side length, you can select the proper trig function that will allow you to find the unknown length, or height, of the flagpole.
Ex:
Let's say you are standing 18 feet away from the base of the flagpole, and you know (somehow) that an imaginary line is formed from the top of the flagpole to your feet (this imaginary, slanted line is our hypotenuse) and that the angle between that imaginary line and ground is 30°.
We will use 30° as our θ. In this situation, the unknown side length (the height of the flagpole) is opposite from this angle we have chosen. So it is our "opposite". We know that the distance between you and the base of the flagpole is 18 feet. Because this is not that slanted, imaginary line we formed before, this is not the hypotenuse. This is a side length that is adjacent to where we are standing, where our angle θ is. So 18 feet is our "adjacent".
The trig function that includes both "opposite" and "adjacent" is the tangent function, or tanθ = [tex]\frac{opposite}{adjacent}[/tex].
We have selected our trig function:
tanθ = [tex]\frac{opposite}{adjacent}[/tex]
Substitute in the known values. θ = 30° adjacent = 18
tan(30°) = [tex]\frac{opposite}{18}[/tex]
Multiply both sides of the equation by 18, to remove 18 from the right side of the equation:
(18)·tan(30°) = [tex]\frac{opposite}{18}[/tex]·18
The 18's cancel because that side becomes [tex]\frac{opposite 18}{18}[/tex] and a number divided by itself is equal to 1. And multiplying the opposite by 1 still equals the opposite.
So we are left with:
(18) · tan(30°) = opposite
At this point, simply input tan(30°) into your calculator (make sure your calculator is in degrees, not radians, by checking MODE), then multiply the result by 18.
This should equal about 10.3 = opposite. This means that 10.3 feet is the height of the flagpole.
A net and four figures are shown: Which figure can be formed from the net? (Input the number only.)
Answer:
2
Step-by-step explanation:
Answer:
2
Step-by-step explanation:
It’s 2 because
2 has 6 sides and the net has 6 squares
picture folding up the net. You’ll h]get number 2
HELP!!
Which of these matrices have a positive determinats??
Answer:
3 and 4!!
hope this helps!!!
find the mean median and mode of 5, 9, 7, 12, 6, 4, 10, 8, 14, 9, 4
Answer:
Mean:8
Median:8.5
Mode:9,4
Step-by-step explanation:
Mean Steps:
mean(5,9,7,12,6,4,10,8,14,9,4)
To find the mean of the set 5,9,7,12,6,4,10,8,14,9,4 first add the members together.
5+9+7+12+6+4+10+8+14+9+4=88
The mean (average) of the set 5,9,7,12,6,4,10,8,14,9,4 is found by dividing the sum of its members by the number of the members, in this case 11.
88/11 = 8
Mode Steps:
Mode(5,9,7,12,4,10,8,14,9,4)
The mode of a set is the value that appears most often. The mode can have more than one value if two or more values appear the same number of times and more times than any other values in the set.
mode(5,9,7,12,4,10,8,14,9,4)
Putting the numbers in order can make it easier to find the mode because values that appear more than once will be next to each other.
4,4,5,7,8,9,9,10,12,14
In this case the mode has more than one value because 9 and 4 both appear 2 times, more often than any other values.
mode(4,4,5,7,8,9,9,10,12,14)=9,4
PLEASE HELP !! ILL GIVE BRAINLIEST *EXTRA POINTS*..
IM GIVING 40 POINTS !! DONT SKIP :((.
Answer:
equation 80
Step-by-step explanation:
sana makatulong ❤❤
Find the length of side x in simplest radical form with a rational a
denominator.
Step-by-step explanation:
the answer is
[tex]x = \sqrt{3} [/tex]
Which equation means the same as two more than the number of
apples is 5?
Group of answer choices
A. 2 + 5 = a
B. 2(a + 5) = 10
C. 2a + 5 = 5
D. a + 2 = 5
Answer:
D. a + 2 = 5
Step-by-step explanation:
apples + 2 more = 5 total
Please help me solve this
Answer:
8.96
Step-by-step explanation:
What about the equation?
Answer:
hmm...Umm not sure what that is You are talking about
Answer:
which equation?? mmmmm.........
Antonio baked 150 muffins of
All the muffins he baked 46% of them were blueberry How much blueberry muffins did Antonio bake
Answer:
69
Step-by-step explanation:
150x.46=69
or
46% of 100= 46
half of 100 is 50
46% of 50 =23
23+46=69
What is the slope of the line that passes through (3,3) (7,6)?
Answer:
3/4 i think
Step-by-step explanation:
Answer:
0.75
Step-by-step explanation:
slope=(y_2-y_1)/(x_2-x_1)
slope=(6-3)/(7-3)
slope=(3)/(4)
slope=0.75
A family buys 5 airline tickets online. The family buys travel insurance that costs $17 per ticket. The total cost is $890. Let x represent the price of one ticket. Write an equation for the total cost. Then find the price of one ticket.
Answer: Equation that represents this situation is 5(x+17) = 1495,
Price of one ticket is 282
Step-by-step explanation:
Here x represents the price of one ticket,
Also, a person bought travel insurance that costs $17 per ticket.
Hence, the total cost of a person = x + 17
⇒ The total cost of 5 person = 5 ( x + 17 )
But, According to the question,
5 ( x + 17 ) = 1495
⇒ x + 17 = 299
⇒ x = 299 - 17
⇒ x = 282
Hence, the price of one ticket = $ 282
Can someone please do this!! I need the work done with it !:( it’s due tonight
Complete the square to solve 3x2 + 12x = 9.
O A. x=2+1
O B. %= 3 + 6
OC. X=-2+
O D.%-
D. x=-2 + 13
Answer:
C) x = -2 ± [tex]\sqrt{7}[/tex]
Step-by-step explanation:
3x² + 12x - 9 = 0
divide through by 3
x² + 4x - 3 = 0
add 3 to each side
x² + 4x = 3
divide 4 in half and square it; add it to each side of equation
x² + 4x + 4 = 3 + 4
(x + 2)² = 7
x + 2 = [tex]\sqrt{7}[/tex]
x = -2 ± [tex]\sqrt{7}[/tex]
PLEASE ANSWER ASAP FOR BRAINESLT!!!!!!!!!!!!!!!!!!
Answer:
Step-by-step explanation:
Solve for the area:
32 cm^2
16 cm
32 cm
16 cm^2
[tex] \\ [/tex]
To Find : Area of triangle = ?[tex] \\ [/tex]
Solution :As, we have :
Base of triangle, b = 8 cmHeight of triangle, h = 4 cm[tex] \\ [/tex]
So, to find area of triangle we have a formula :
[tex] \large \underline{\boxed{\bf{Area_{(triangle)} = \dfrac{1}{2} \times b \times h}}}[/tex]
[tex] \tt : \implies Area = \dfrac{1}{2} \times 8 \: cm \times 4 \: cm[/tex]
[tex] \tt : \implies Area = \dfrac{1}{2} \times 32 \: cm^2[/tex]
[tex] \tt : \implies Area = \cancel{\dfrac{32}{2}} \: cm^2[/tex]
[tex] \tt : \implies Area = 16 \: cm^2[/tex]
[tex] \\ [/tex]
Hence, area of given triangle is 16 cm².
50 points! Please help! I will mark brainliest! Random answers will be reported! Thanks :)
Answer:
YesStep-by-step explanation:
The isosceles triangle can be obtuse if one of the angles is greater than 90°.
The other two angles will have same measure with less than 45° each.
If the area of the rug in this den 80 square feet and the width of the carpet is 8’,what is the perimeter of the rug?
A. 10’
B.36’
C.176’
D.180’
i don't get this one
Answer:
rectangles, square, and isosceles trapezoids
Step-by-step explanation:
It's asking which shapes always have the property that two pairs of two angles next to each other are congruent.
This would be true for rectangles, square, and isosceles trapezoids.
what expression should be substituted for y in the equation 5x+2y=25 to solve the system of equations?
Answer:
y= 25
Step-by-step explanation:
y = 25 /2
Solve for the value of R
Answer:
R is a variable
Step-by-step explanation:
Helppp MEEEEEEE!!!!! what is 3(-2)-15+2=
And plzzzzzzzz show your work
Answer:
Step-by-step explanation:
3(-2)-15+2 = -6-15+2 = -21+2 = -19
Answer: -19
Step-by-step explanation:
3(-2)-15+2
Multiply the 3 and -2 because of the parenthesis first:-6-15+2
Next just put the negative numbers together:-21+2
Then just do -21+2=-19
The original price of an audio jukebox was 280 it is on sale for 220 what percent discount does this represent
Answer:
The answer would be 12%
Step-by-step explanation:
250-220=30 and 30 is 12% of 250
In the diagram below, a window of a house is 15 feet above the ground. A ladder is placed against the house with its base at an angle of 75° with the ground.
Determine and state how far away from the house the base of the ladder is placed to the nearest foot.
I'm trying to do a Desmos activity, help!
9514 1404 393
Answer:
4 feet
Step-by-step explanation:
Desmos is useful for finding the answer to this. The problem statement tells you the angle with the x-axis is 75°. If we put the ladder in the first quadrant, the slope will be -tan(75°). We can raise its end to the 15 ft level by making the y-intercept be 15. Then the x-intercept answers the question: 4 ft.
_____
Additional comment
The angle mode needs to be set to Degrees in the Desmos settings for this equation to produce the correct graph.
the answer is 15.5 for this question