30 POINTS PLEASE HELP
What is the value of x?
Answer:
x = 27
Step-by-step explanation:
ΔDQC ≈ ΔDBR
set up proportion based on corresponding sides
39/x = 65/18+x
cross-multiply:
39(18+x) = 65x
702 + 39x = 65x
702 = 26x
x = 27
TRIANGLE CONGUENCE
I need help on a and b please ASAP if u can am failing math please help if u can
Step-by-step explanation:
John and his 3 friends decide to order food. The cost of one box of food is $x. If each boy purchases one box of food, what is the total cost? *z decreased by 3 as an algebraic expression is *How many terms does the following expression contain? 2x + 5y - 5State the value of 9x - 3y if x=2 and y=3 *State the constant in the expression: ab + 5 - 2c *
Your answer
State the variable in the expression: 5p + 3 *Tanya is n years old today. How old will she be in 5 years?16 more than thrice m as an algebraic expression is *State the coefficient in the expression: 3x - 7 *
Your answer
State the value of ab if a=3 and b=5 *State the value of 9x - 3y if x=2 and y=3 *John and his 3 friends decide to order food. The cost of one box of food is $x. If each boy purchases one box of food, what is the total cost? *Vertical jumpHead turning
My teacher told me to do this question I will give brainliest
If you were to teach a friend how to solve the following two-step equation : 3x + 18 = 48, what would you say, step by step? You may work it out first before you start your writing.
Answer:
Step-by-step explanation:
3x + 18 = 48
Bringing like terms on one side
3x = 48 - 18
3x = 30
x = 30/10
x = 3
Answer:
x = 10
Step-by-step explanation:
Subtract 18 from both sides.
3x=48-18
Simplify 48-18 to 30.
3x=30
Divide both sides by 3.
x= 30/3
Simplify 30/3\ to 10
x=10
x=10
what is the common ratio between 63, 21, 7?
Answer:
3
Step-by-step explanation:
7*3=21
21*3=63
Hope this helps.
Answer:
decreasing by a multiple of 3
Step-by-step explanation:
7x3=21, 21x3=63.
I think this is the answer! or I hope this helps a bit. have a good day or night!
What is the name of the angle pair for <2 and <4?
1
4
2.
Vertical Angles
O Corresponding Angles
Linear Pair
O Supplementary
Vertical angles. hope it helps.
Answer:
Vertical angles.
Step-by-step explanation:
Angles 4 and 2 have the same angle measure and angles 1 and 3 have the same angle measure. This happened because the lines intersected each other.
What is the answer to (a²)(a⁵)(a⁷)
Answer:
The answer would be a^70
Step-by-step explanation:
Hope this helped!! If it is wrong please tell me and I will re-check my answer. :)
What is the percent change of 16 to 44.2?
The space probe Voyager I travels 3.255 x 108 miles in a year.
At this rate, how far does the Voyager I travel during a period of 40 years?
The Voyager I travel 130.2 x [tex]10^8[/tex] miles during a period of 40 years.
What is Unitary Method?The unitary technique involves first determining the value of a single unit, followed by the value of the necessary number of units.
For example, Let's say Ram spends 36 Rs. for a dozen (12) bananas.
12 bananas will set you back 36 Rs. 1 banana costs 36 x 12 = 3 Rupees.
As a result, one banana costs three rupees. Let's say we need to calculate the price of 15 bananas.
This may be done as follows: 15 bananas cost 3 rupees each; 15 units cost 45 rupees.
The space probe Voyager I travels 3.255 x [tex]10^8[/tex] miles in a year.
So, in 40 years Voyager I travel
= 3.255 x [tex]10^8[/tex] x 40
= 130.2 x [tex]10^8[/tex] miles.
Thus, the Voyager I travel 130.2 x [tex]10^8[/tex] miles.
Learn more about Unitary Method here:
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evaluate : ( -3/4 ) 2 pls and thank youu
Answer:-1.5
Step-by-step explanation:
First, -3/4 = -0.75
Second, -0.75 divided by 2 is -1.5
HELP I NEED HELP ASAP
Answer:
D should be the anwser if i did my math correctly!
I don’t now how to do it please help
apples are on sale for 5 for $3, how much does one apple cost?
-x = 5
what is the answer for x?
Answer:
Answer:
x= -5
.........
Answer: x = -5
Step-by-step explanation:
What is the surface area of the cylinder with height 4 m and radius 2 m? Round your answer to the nearest thousandth.
Answer:
75.398 m²Step-by-step explanation:
[tex]A=2\cdot\pi R^2+ 2\pi R\cdot H\\\\H=4\,m\\R=2\,m\\\\A=2\cdot\pi\cdot 2^2+2\pi \cdot2\cdot4=8\pi+16\pi=24\pi=75.398223....\approx75.398\ m^2[/tex]
Saffron is one the most expensive spices in the world. Ms. Patel pays $123.51 for 2.3 grams of saffron. What is the price per gram?
Scroll down for answer!
Step-by-step explanation:
123.51/2.3 = 53.7
Two options = 53.7 or 53.1
Find the slope given the points (2, −7) and (−1, 6).
Answer:
The slope would be 13/-3 or -4.3... repeating
Step-by-step explanation:
The slope of the line passing through the points (2, −7) and (−1, 6) is (13 / 3 ).
What is the slope of the line?Slope or the gradient is the number or the ratio which determines the direction or the steepness of the line.
The slope of the line is calculated by the formula below,
Slope = ( y₂ - y₁ ) / ( x₂ - x₁ )
Given points through which the line is passing are (2, −7) and (−1, 6). The slope of the line is calculated by the formula written below,
Slope = ( y₂ - y₁ ) / ( x₂ - x₁ )
Slope = (6 - ( - 7 ) / ( -1 - 2 )
Slope = 13 / - 3
Slope = -13 / 3
Therefore, the slope of the line passing through the points (2, −7) and (−1, 6) is (13 / 3 ).
To know more about slopes follow
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Michelle says that the solution to the inequality 2(4y-3) > -22 is y > -3.5.
what was her mistake. What is the solution to the inequality.
Answer:
The solution of the given inequality is y>-2.
Step-by-step explanation:
The given inequality is :
2(4y-3) > -22
Using distributive property on LHS of the above inequality.
8y-6 >-22
Add 6 both sides of the inequality
8y-6+6 >-22+6
8y>-16
y>-2
So, the value of y is more than -2.
where does 0.3 be placed in the Venn Diagram?
Answer:
fondo
Step-by-step explanation:
Answer:
in the middle of venn diagram
Step-by-step explanation:
-6(3x + (-4y)) Simplify.
Answer:
−18x+24y
Step-by-step explanation:
sorry if its wrong
will give brainliest to first correct answer
Answer:
A or C
Step-by-step explanation:
A grocery store sells tangerines in 25 kg bags. A customer bought 4 kg of tangerines for a school party. How many bags did he buy?
1. Select all equations that represent the situation.
A 4⋅25=?
B ?⋅25=4
C 25÷4=?
D 4÷25=?
E ?÷25=4
Answer:
D) 4/25
But didn't he have to buy at least the whole 25 KG bag?
Step-by-step explanation:
Someone please help!!! I need this asap! I will mark brainliest if correct!
Answer:
choice 4) SAS
Step-by-step explanation:
the answer is 4o SAS is the correct answer
Determine the equation of the tangent to x− 3x +1 at the point (3,1)
9514 1404 393
Answer:
y = 3x -8
Step-by-step explanation:
We assume you want the tangent to the parabola y = x² -3x +1 at the given point. The slope is found using the derivative of the function at that point.
y' = 2x -3
At x=3, the slope is ...
y' = 2(3) -3 = 3
The equation of the line through point (3, 1) with a slope of 3 is ...
y -1 = 3(x -3) . . . . use the point-slope form of the equation for a line
y = 3x -9 +1 . . . . . eliminate parentheses, add 1
y = 3x -8
Marsha made a wreath for her front door. The diameter of the wreath is 12 inches.
What is the circumference of the wreath?
Find the measure of angle b
Answer:
b = 116⁰
we have:
b + 64⁰ = 180⁰
<=> b = 180⁰ - 64⁰
<=> b = 116⁰
Trista has 7/8 of a yard of ribbon to use for making decorative frames . If you frame used 5/6 of a yard of ribbon , then how much is remaining
Answer:
[tex]\dfrac{1}{24}\ \text{yard}[/tex]
Step-by-step explanation:
Amount of ribbon Trista had is [tex]\dfrac{7}{8}\ \text{yard}[/tex]
Amount of ribbon used in the frame [tex]\dfrac{5}{6}\ \text{yard}[/tex]
Amount of ribbon remaining is
[tex]\dfrac{7}{8}-\dfrac{5}{6}=\dfrac{21-20}{24}[/tex]
[tex]=\dfrac{1}{24}\ \text{yard}[/tex]
The amount of ribbon remaining is [tex]\dfrac{1}{24}\ \text{yard}[/tex].
I need help please I would be happy
7384(x)748 (8967-888)
Answer: [tex](x,y) \to (4x,4y)[/tex] which is choice (3)
======================================================
Explanation:
The general transformation of [tex](x,y) \to (kx,ky)[/tex] describes a dilation with scale factor k. If k is not equal to 1, then the resulting image will not be the same size as the preimage.
In this case, k = 4. This means that the resulting image has its side lengths 4 times greater compared to the preimage side lengths. For example, if a side length is 5 units long in the preimage, then its corresponding length in the image is 5*4 = 20 units long.
If this is enlargement applied to all sides, then the perimeter also goes up by the same scale factor (since the perimeter is the sum of all exterior sides). The image perimeter will be four times that of the preimage perimeter.
In summary, if you apply a dilation (where k is not equal to 1), then the perimeter will change. If k > 1, then the perimeter gets larger. If 0 < k < 1, then the perimeter will shrink.
----------------------
Extra info:
Choice (1) describes a reflection over the line y = xChoice (2) is a reflection over the x axis.Choice (4) describes a translation of 2 units to the right and 5 units down.The transformations of reflections, translations, and rotations all are considered rigid transformations. This means that they keep the same size and shape. You can imagine the camera is moving around in some way and the shapes stay still (but give the illusion of movement). In other words, rigid transformations will keep the perimeter the same. Because of this, we can rule out choices (1), (2) and (4).What is true about the sum of the two polynomials?
6s2t – 2st2
4s2t – 3st2
What is the additive inverse of the polynomial –9xy2 + 6x2y – 5x3?
Answer:
f'(x) = -f(x) = 9xy² - 6x²y + 5x³
Step-by-step explanation:
f(x) = –9xy² + 6x²y – 5x³
additive inverse: f'(x) = -f(x) = 9xy² - 6x²y + 5x³
f(x) + f'(x) = f(x) -f(x) = (–9xy² + 6x²y – 5x³) + (9xy² - 6x²y + 5x³) = 0
A satellite orbits in an elliptical path such that the Earth's center is one of the foci of the ellipse. The distance from the center of the orbit to the Earth's center is 4,100 miles. The foci are halfway between the center and the major axis vertices. Which equation can be used to model the path of this satellite's orbit?
Answer:
[tex]\frac{x^2}{8200^2} +\frac{y^2}{7101.4^2}=1[/tex]
Step-by-step explanation:
The equation of the ellipse with centre at origin and major axis along the x-axis is:
[tex]\frac{x^2}{a^2}+\frac{y^2}{b^2}=1[/tex]
Where 2a is the length of the major axis and 2b is the length of the minor axis. The following equation shows the relationship between the foci (c), major axis and minor axis:
a² = c² + b²
Since the earth center is one of the foci of the ellipse with distance from the center of the orbit to the Earth's center is 4,100 miles. Therefore the foci is at (4100, 0).
Hence c = 4100
Also, The foci are halfway between the center and the major axis vertices. Therefore the distance between the center and the major axis vertices (a) is twice the distance from the center of the orbit to the Earth's center.
a = 2c = 2(4100) = 8200 miles
We can get the distance from the center to the minor axis vertices (b), using:
a² = c² + b²
8200² = 4100² + b²
b² = 8200² - 4100²
b² = 50430000
b=√50430000
b = 7101.4 miles
The ellipse equation is:
[tex]\frac{x^2}{8200^2} +\frac{y^2}{7101.4^2}=1[/tex]
Answer:
[tex]\frac{x^{2} }{67,240,000}+\frac{y^{2} }{50,430,000} =1[/tex]
Step-by-step explanation:
Solve for p. PLEASE HELP ME
21 + p = 44
Question 1 options:
p = 23
p = 21
p = 44
p = 65
Question 2 (1 point)
Saved
Solve for a.
a + (−5) = 12
Question 2 options:
a = 17
a = 7
a = -12
a = -17
Question 3 (1 point)
Solve for m.
m2= 13
Question 3 options:
m = 6.5
m = 15
m = 11
m = 26
Question 4 (1 point)
Solve for g.
34g = 12
Question 4 options:
g = 3
g = 16
g = 4
g = 9
Question 5 (1 point)
Solve for x.
4x = 20
Question 5 options:
x = 100
x = 16
x = 5
x = 24
Question 6 (1 point)
Solve for z.
2z + 5 = 21
Question 6 options:
z = 8
z = 13
z = 9
z = 3
Question 7 (1 point)
Solve for f.
f4 − 3 = 5
Question 7 options:
f = 2
f = 19
f = 32
f = 64
Step-by-step explanation:
Question 1 p=23
Question 2 a=17
Question 3 m=6.5
Question 5 x=4
Question 6 z=8
Question 7 f=2
Answer:
Question 1 : 21 + 23 = 44
Question 2: 17 - 5 = 12
Question 3: 26÷2 = 13
Question 5: 4x5=20
Sorry about the others