Answer:
x=-2, y=5. (-2, 5).
Step-by-step explanation:
15x-4y=-50
3x-2y=-16
---------------
15x-4y=-50
-5(3x-2y)=-5(-16)
------------------------
15x-4y=-50
-15x+10y=80
-------------------
6y=30
y=30/6
y=5
3x-2(5)=-16
3x-10=-16
3x=-16+10
3x=-6
x=-6/3
x=-2
Pomocy. Wskaż powierzchnię całkowita sześcianu, którego objętość jest równa 64 cm.
4. 16 om?
B. 64 cm
C. 96 cm2
D. 512 cm?
Answer:
C. 96 cm²
Step-by-step explanation:
Objętość sześcianu = 64 cm³
Krok 1
Znajdujemy długość boku sześcianu
Objętość = (długość boku) ³
64 = a³
a = pierwiastek sześcienny (64)
a = 4 cm
Krok 2
Znajdujemy obszar sześcianu
Wzór na całkowitą powierzchnię sześcianu = 6a²
a = 4 cm
Całkowita powierzchnia = 6 × 4²
= 6 × 16
= 96 cm²
Opcja C jest właściwą opcją
A construction company spends w weeks extending an existing road. The existing road is 5 miles long. Each week the company completes 0.2 miles of the extension. Which equation models the total length (L) of the road?
A. L = 0.2w + 5
B. L = 0.2w - 5
C. w = 0.2L + 5
D. w = 0.2L - 5
Answer:
L = 0.2w + 5
Since there is already 5 miles, your adding 0.2w. Its not 0.2L because that is the total length and its the sum.
Answer:
L= 0.22+5
I did packet
need help asapppppppppp
Answer:
201.53[tex]m^{2}[/tex]
Step-by-step explanation:
That is a hexagonal pyramid, which means it consists of one hexagon and six triangles.
Let's first find the hexagonal base.
The formula to find the area of a hexagon is [tex]\frac{3\sqrt{3}}{2}a^{2}[/tex], where a is the length of one side of the hexagon. In this question, a = 6m
Solve that to find that the area of the hexagon is 93.53m^2.
Now, on to the triangles. The area of one triangle is the base times the height, then halved. We know that the base of the triangle is 6m as it shares the base with a side of the hexagon, and the question states that the height is also 6m.
6 * 6 = 36
36 / 2 = 18
Hence, the area of one triangle is 18m^2
However, there are six triangles - not just one!
6 * 18 = 108
Adding everything up:
93.53 + 108 = 201.53
The answer is 201.53m^2
Yesterday only 13 students were absent. The is 4% of the schools enrollment. What is the schools total enrollment?
Answer: 325 students
Step-by-step explanation:
13 students were absent and this is 4% of the school's total enrollment.
If 13 students represent 4% of the students, assume that x represents 100% of the students:
4% * x = 13
0.04x = 13
x = 13/0.04
x = 325 students
There are 325 students in this school.
Alex, Hans and Stan saved up some money to buy a tent for a camping trip. Stan saved 60% of the price. Alex saved 40% of what was left of the price and Hans’ share of the price was €30. What was the price of the tent?
Answer:
What is the smallest number you can form with the given cards? ... Alex, Hans and Stan saved money to buy a tent for a camping trip. Stan ... Alex saved 40 % of what was left of the price.
HELP PLEASE!!!!! 13 POINTS!!! WILL GIVE BRAINLIEST!!!
Which exponential expression is equivalent to the one below? (7x2)^5
Answer:
The 2nd option is the correct answer - 7⁶ . 2⁶
What goes in the highlighted box?
Answer:
it's yes
Step-by-step explanation:
hope it help
follow me plsss
PLEASE HELP... What do you do when none of the variables cancel out while solving systems by elimination?
Answer:
multiply one or both of the equations until a variable can cancel out
During a game of roulette, a wheel is spun and a ball drops randomly into one of the wheel's
numbered compartments. Then the process is repeated with another random spin.
Are these two events dependent or independent?
dependent
independent
Answer:
Independent is the correct answer
Step-by-step explanation:
can someone please factor this expression 27/x³- 8
Answer:
(3x-2) (9xsquare+6x+4)
Answer:
Answer is below
Step-by-step explanation:
[tex]\frac{27}{x^{3} } -8= (\frac{3}{x})^{3} -2^{3} =(\frac{3}{x} -2)(\frac{9}{x^{2}}+\frac{6}{x}+4)[/tex]
( from formula (a³ – b³) = (a – b)(a² + b² + ab) )
Mr. D'Agostino decided he wanted to build a pool in his backyard this summer. He sketched a drawing that had a scale of 1 in. = 4 feet. If the drawing had a length of 4 feet and a width of 5 feet, what is the actual area of the pool?
Answer:
46080 ft²
Step-by-step explanation:
Given :
Scale :
1 in = 4 feets
Recall :
I foot =. 12 inches
Length of drawing = 4 feets
Length of drawing in inches = 4 * 12 = 48 inches
Width of drawing = 5 feets
Width of drawing in inches = 5 * 12 = 60 inches
Actual length of pool = 48 * 4 = 192 feets
Actual width of pool = 60 * 4 = 240 feets
The actual area of the pool :
Length * width
192 feets * 240 feets = 46080 ft²
Name an angle of
C) 140°
Answer:
angle C is 90°
Step-by-step explanation:
(sorry if thats not the answer the question is confusing)
have a nice day!! :)
What is the area of
28
105
38.5
49
Answer:
105
Step-by-step explanation:
11×14= 154
7×7= 49
154-49= 105
Answer:
105 is ur answer!
you're welcome lol
Which of the following inequalities is true?
What is the image of (−7,−8) after a dilation by a scale factor of 44 centered at the origin?
Answer:
(-308, -352)
Step-by-step explanation:
For a dilation from the origin, you multiply the x and y by the scale factor.
-7 * 44 = -308
-8 * 44 = -352
(-308, -352)
so if you say hi to someone and they dont say it back what do you do
You can either walk by and just go with it, say dang okay, or you could walk past them like you were saying it to someone else. Good luck to you if you end up in the situation.
Answer:
Give them a dirty look, then say it louder but if u dont want to say it again then just leave them alone. If not BEAT THEM UP
Step-by-step explanation:
need help asappppppp
Given:
The right triangular prism.
Height of prism = 28 in.
Hypotenuse of base = 25 in.
leg of base = 24 in.
To find:
The lateral surface area of the prism.
Solution:
Pythagoras theorem:
[tex]Hypotenuse^2=Perpendicular^2+Base^2[/tex]
Using Pythagoras theorem in the base triangle, we get
[tex]25^2=24^2+Base^2[/tex]
[tex]625-576=Base^2[/tex]
[tex]\sqrt{49}=Base[/tex]
[tex]7=Base[/tex]
The perimeter of the triangular base is:
[tex]P=7+25+24[/tex]
[tex]P=56[/tex]
Lateral area of a triangular prism is:
[tex]A=Ph[/tex]
Where, P is the perimeter of the triangular base and h is the height of the prism.
Putting [tex]P=56,h=28[/tex] in the above formula, we get
[tex]A=56(28)[/tex]
[tex]A=1568[/tex]
Therefore, the lateral area of the prism is 1568 in².
Beads are sold in a cylindrical container
with a diameter of 13 cm and a height
of 4 cm. How many cubic centimeters
of beads does this container hold?
20cm
dbdjdfg
sbdjwpwhdd
dbdjdldownnwkdldkwjw
dbk202$;%%
What is the area of the triangle given below?
2
11
O A. 11 sq. units
B. 13 sq. units
C. 8 sq. units
O D. 22 sq. units
Answer:
Area = 11 sq. unitsStep-by-step explanation:
Base = 11 units
height = 2 units
Area = 1/2 × base × height
Area = 1/2 × 11 × 2
Area = 11 sq. units
11 square units is the area of the triangle , option A is correct.
What is Triangle?A triangle is a three-sided polygon that consists of three edges and three vertices.
The formula to find area of triangle is half times of base and height
Given Base is 11 units
height is 2 units
Area = 1/2 × base × height
Plug in the values of base and height
Area = 1/2 × 11 × 2
Area = 11 sq. units
Hence, 11 square units is the area of the triangle , option A is correct.
To learn more on Triangles click:
https://brainly.com/question/2773823
#SPJ5
Please i need help with this question
Answer:
785cm³
Step-by-step explanation:
3.14×5=15.7
15.7×5=78.5
78.5×10=785
785cm³
Answer:
Volume is 785 cm^3
Step-by-step explanation:
Well first you can find the area of the base which in this case is the circle.
Follow the formula to find area of a circle
a=πr^2
We know π is 3.14 so plug in the radius which is 5
3.14*5^2=a
Solve and you’d get 78.5
Now multiply the base by the height
78.5*10= 785
help plz im so stuck
Answer:
Step-by-step explanation:
1. A spinner has 5 equal sectors numbered 1 through 5. What is the probability that the result of a spin will be an odd number?
* Will be remarked as Brainliest*
Answer:
60%
Step-by-step explanation:
Possible numebrs that can be picked are 1,2,3,4,5
The only odd numbers are 1,3,5
3 odd numbers out of 5 possible numbers
3/5=0.6=60%
The tape diagram represents an equation (look at picture!!)
Answer:
1/4 + m = 2/3
Step-by-step explanation:
Please look into this problem!
Answer:
$85000
Step-by-step explanation:
Answer: The answer is $85,000
Step-by-step explanation: Basically, you have to divide -3,400 on both sides. So 85,000 ÷ -3,400 = -25. Now, you have to substitute x, which is -25. -3,400 x -25 = 85,000. Hope this helps!! :)
Three lines intersect to form the triangle shown below. What is the value of x in degrees?
Answer:
x = 40°
Step-by-step explanation:
The base angles of the triangle are 71° and 69° ( vertical angles ) , then
x = 180° - (71 + 69)° = 180° - 140° = 40°
A gray crayon is made with 5mL of black wax for every 6 mL of white wax
IM STRUGGLING PLEASE HELP ILL GIVE YOU BRAINIEST :(((
(If your good at math)
Answer:
1437.33 cm^3 , 75.4 km^3
Step-by-step explanation:
1.
V = (lwh)/3
V = (14 x 14 x 22)
V = 1437.33 cm^3
2.
V = [tex]\pi r^{2} \frac{h}{3}[/tex]
V= [tex]\pi 3^{2} \frac{8}{3}[/tex]
V = 75.4 km^3
Triangle srt is shown. Choose the correct equation or phrase to fill in each blank in the paragraph. For each blank, fill in the bubble before the equation or phrase that is correct.
How to do this question.
Answer:
is there an image or something to look at? we need one to give the answer
Step-by-step explanation:
Answer:
Step-by-step explanation:
A farmer sells 8.7 kilograms of pears and apples at the farmer's market. 3/4 of this weight is pears, and the rest is apples. How many kilograms of apples did she sell at the farmer's market?
Answer:
2.2 kg
Step-by-step explanation:
1000g = 1kg
8700g = 8.7kg
3/4 = 75%
8700 / 100 = 87
87 * 75 = 6525
8700 - 6525 = 2175
2.175kg or if rounded 2.2kg
What is the distance, d, between the points (3,) and (,1)? Enter your answer in the box. Enter your answer in simplest radical form. d =
Answer:The answer is (√229)/6
Step-by-step explanation: i dont know
Answer:
[tex]([/tex]√[tex]\frac{229}{6}[/tex][tex])[/tex]
Step-by-step explanation:
Easy.