HELP DUE IN 15 MINS!
x = ??
Answer:
x = 7Step-by-step explanation:
Intersecting secants theorem:
8*(8 + 10) = 9*(9 + x)9x + 81 = 1449x = 63x = 7Every day after school, Kelly and Bella walk their dogs around the block. The block is 274 meters long and 80 meters wide. What is the perimeter of the bloc
Answer:
708meters
Step-by-step explanation:
Given data
Lenght = 274meters
Width= 80 meters
The expression for the perimeter is
P= 2L+2W
substitute
P= 2*274+ 2*80
P= 548+160
P= 708 meters
Hence the perimeter of the block is 708meters
Solve for the missing value in the right triangle. Round answer to the tenths place.
4
X
410
B
A
Answer:
Step-by-step explanation:
32. Last week, Jerry's house used 350 kilowatts of energy. If this week his
house uses 420 kilowatts of energy find the percentage of increase of
energy used,
Answer:
20%
Step-by-step explanation:
amount of increase
420 - 350 = 70
Percentage of increase
70/350 * 100
20%
which equation represents a line parallel to y= -2x+9
The equation of the parallel line is:
y = -2x + k
such that k ≠ 9.
How to represent the parallel line?
We know that two linear equations are parallel if they have the same slope and different y-intercept.
Then, a parallel line to:
y = -2x + 9
Would be something of the form:
y = -2x + k
such that k ≠ 9.
Then, for example:
y = -2x + 3
Is parallel to the given line.
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Draw an angle of -45 degrees in standard position . Then find the reference angle
Answer:
45°
Step-by-step explanation:
-45° would be 360°-45°=315°
Since 315° is in Quadrant IV, then its reference angle is 360°-315°=45°
So really, -45° is just 45° clockwise which is also our reference angle.
A prism with a square base has a volume of 96 ft3. The height of the unit is 6 feet.
A prism has a length of l, width of 2, and height of 6 feet.
Given what you know about the figure, complete these sentences.
The area of the square base is
feet2.
The length of the prism is
feet.
The width of the prism is
feet
Answer:
Its 16 4 4
Step-by-step explanation:
if we got the same question then this should be correct :)
3y^2-16y-12 factor by grouping
A cyclist rides his bike at 12 miles per hour. What is this speed per minute? How many miles will the cyclist travel in 20 minutes? Do not round you answers. Help thx
Answer:
In order to find the distance traveled in one minute, you have to divide the distance he can ride his bike in an hour by the number of minutes in a hour. 6/60= .1 mile per minute. If he rides his bike for five minutes, then you would multiply the number of minutes biked by the distance traveled in a minute. .1*5=.5 mile, or [tex]\frac{1}{2}[/tex] mile.
Step-by-step explanation:
The cyclist will travel 4 miles in 20 minutes.
What is Speed?Speed is the time rate at which an object is moving along a path,
To find the speed per minute, we can use the fact that there are 60 minutes in an hour. Therefore:
12 miles per hour = 12/60 miles per minute = 0.2 miles per minute
So the cyclist's speed is 0.2 miles per minute.
To find how many miles the cyclist will travel in 20 minutes, we can use the formula:
distance = rate x time
Plugging in the given values, we get:
distance = 0.2 miles per minute x 20 minutes
distance = 4 miles
Therefore, the cyclist will travel 4 miles in 20 minutes.
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Which line has a slope of ?
3/4
Which line has an undefined slope
Answer:
b has a slope of 3/4
a is the undefined slope
c has a slope of 4/3
Answer:
C; A;
Step-by-step explanation:
C has a slope of 3/4 (it is the only slope that is for sure less that 1 and greater than 0)
A has an undefined slope, it is a vertical slope
A circle has a diameter of 8 cm. An angle in the center of the circle creates an arc AB. That angle's measure is pi/4 rad. What is the measure of arc AB
Answer:
3.14 cm
Step-by-step explanation:
From the question,
Applying
s = πdФ/360................... Equation 1
Where s = length of arc AB, d = diameter of the circle, Ф = angle at the center of the circle, π = pie
From the question,
Given: d = 8 cm, Ф = π/4 rad = 45°
Constant: π = 22/7
Substitute these values into equation 1
s = (22/7)(8)(45)/360
s = 3.14 cm.
Hence the lenght of arc AB = 3.14 cm
Find the volume and surface area of the composite figure. Give four answer in terms of π. HELP NEEDED NOW!!! THE RED IS THE ONE I GOT WRONG!!
Answer:
Divide the figure above into a cylinder and a dome
+) the volume of the dome is
[tex]v1 = \frac{1}{12} \pi6 {}^{3} = 18\pi[/tex]
the surface area is
[tex]s1 = \pi3 {}^{2} = 9\pi[/tex]
+) the volume of the cylinder is
[tex]v2 = \pi.3 {}^{2} .13 = 117\pi[/tex]
the surface area is
[tex]s2 = 2\pi.3.13 + 2\pi.3 {}^{2} = 96\pi[/tex]
so the volume of this figure is
[tex]v = v1 + v2 = 18\pi + 117\pi = 135\pi[/tex]
the surface area of this figure is
[tex]s = 9\pi + 96\pi = 105\pi[/tex]
Solve forx: 102-1= 5x + 6
Answer:
x=19
Step-by-step explanation:
102-1= 5x + 6
101=5x+6
95=5x
x= 19
Which transformation can NOT be used to prove that ABC is congruent to DEF?
Answer: it is dilation
Step-by-step explanation: i took the exam
Answer:dialation
Step-by-step explanation:
PLEASE HELP..... PLEASE THX
Answer:
x = 30 and y = 50
Step-by-step explanation:
Given that,
The cost of 4 shirts and 1 pair of pants is $170 and the cost of 5 shirts and 2 pair of pants is $250.
Let the cost of 1 shirt is x and that of 1 pant is y.
So,
4x+y=170 .....(1)
5x+2y = 250 .....(2)
Multiply equation (1) by 2.
8x+2y=340 .......(3)
Subtract equation (2) from (3).
8x+2y-(5x+2y)=340-250
3x = 90
x = 30
Put the value of x in equation (1).
4(30)+y=170
120+y=170
y = 170-120
y = 50
Hence, the value of x is 30 and that of y is 50.
Determine if the following relation is a function or not
A circular ring has a circumference of 264 cm. What is the diameter of the ring
Answer:
84.03380995252074
Step-by-step explanation:
Diameter = C/π = 264 / π ≈ 264 / 3.141592653589793 ≈ 84.03380995252074 cm
Sam drew the triangle pictured below.
Which term best describes Sam's triangle?
obtuse
right
isosceles
equilateral?
Answer:
first one= obtuse
Step-by-step explanation:
have a good day!
Factor this polynomial completely.
x²- 64
A. (x+8)(x-8)
B. (x+64)(x-64)
C. (x-8)(x-8)
D. (x-64)(x-64)
Answer:
B. (x+64)(x-64)
Step-by-step explanation:
x²- 64 = (x) ² - (8) ² =
(x+64)(x-64)
Is this correct????????
Answer:
ummm yes
Step-by-step explanation:
The diameter of a circle is 14 inches. Find the circumstance and area use 22/7
Will give brainlest
No links!!
Answer:
Circumference= 44 in
Area= 154 in²
Step-by-step explanation:
[tex]\boxed{circumference \: of \: circle = 2\pi r}[/tex]
Radius
= diameter ÷2
= 14 ÷2
= 7 in
Circumference of circle
[tex] = 2( \frac{22}{7} )(7)[/tex]
= 44 in
[tex]\boxed{area \: of \: circle = \pi {r}^{2} }[/tex]
Area of circle
[tex] = \frac{22}{7} ( {7}^{2} )[/tex]
= 154 in²
456 + 788 - 129 x 9 = ?
Also wanna converse? Lol
[tex]456+788-129\cdot \:9\\\\129\cdot \:9=1161\\\\456+788=1244\\\\1244-1161=83\\\\=83[/tex]
PLEASE HELP I GIVE BRAINLIEST
Answer: B. Triangle
Step-by-step explanation:
The vertical cross-section of a pyramid is a triangle, and the horizontal cross-section of a pyramid is a square.
Identify the lateral area and surface area of a regular triangular pyramid with base edge length 10 ft and slant
height 14 ft
Answer:
L = 315 cm2 ; S = 399.9 cm2
Step-by-step explanation:
Lateral area;
3 × (½)(14)(15)
315 cm²
Surface area:
315 + (½)(14)(14)sin(60)
399.8704896 cm²
Lateral surface area of the regula triangular pyramid is 210 ft²
Surface area of the regular triangular pyramid is 253.30 ft²
Lateral area and Surface area of a triangular pyramid: Expression for the lateral area of a regular triangular pyramid is given by,
Lateral surface area = 3(Area of one lateral triangular side)
Expression for the total surface area is given by,Surface area = Area of the triangular base + Lateral surface area
Given in the question,
Base with the edge length = 10 feet Slant height = 14 ftLateral surface area = [tex]3(\frac{1}{2})(\text{Base})(\text{Slant height})[/tex]
= [tex]\frac{3}{2}(10)(14)[/tex]
= 210 ft²
Area of the regular triangular base = [tex]\frac{\sqrt{3} }{4}(a)^2[/tex]
= [tex]\frac{\sqrt{3} }{4}(10)^2[/tex]
= 25√3 ft²
= 43.30 ft²
Therefore, total surface area = 210 + 43.30
= 253.30 ft²
Hence, lateral surface area of the regula triangular pyramid is 210 ft²
Surface area of the regular triangular pyramid is 253.30 ft²
Learn more aboiut the surface area and lateral surface area here,
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Find the value of x to make the following expression true.
3x=729
Answer: x=243
Step-by-step explanation: Long division, 729 divided by 3
Can someone plzzz helpp meeee
Answer:
1) Pelean
2) dormimos
3) vas
4) leo
Step-by-step explanation:
chelsea divided an apple into 8 equal pieces. she ate 5 pieces. she put the other 3 in thw fridge. what friction did chelsea eat?
Answer:
5/8
Step-by-step explanation:
eaten over by total id the answer
Answer:
5/8.
Step-by-step explanation:
HELP PLEASE
Simplify the expression. Write your answer in positive exponent form:
(8^-5) ^2
Answer:
9.3132257x10^-10
this is the answer
Susan's balance in her checking account was $155.75.
She spent $89.43 at the grocery store, and $128.04 at
the mall. What is Susan's new checking account
balance after the purchases? Type in your answer
without the '$' sign.
The Hernandez family built a backyard patio. The width and length of the patio are whole numbers. What could be the dimensions of the patio?
Area = 150 square feet
Answer:
10 x 15 feet
Step-by-step explanation:
Possible answers
1 x 150
2 x 75
3 x 50
5 x 30
10 x 15 seems the most reasonable size for a patio