x + y = 100
x - y = 10
_____________ +
( x + y ) + ( x - y ) = 100 + 10
2x + y - y = 110
2x = 110
x = 110/2
x = 55
_________________________________
x - y = 10
55 - y = 10
- y = 10 - 55
- y = - 45
y = 45
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x = 55 ..**&**.. y = 45
x^2+3x−10=0 (solve for x)
Answer:
x1=2 x2=-5
Step-by-step explanation:
One day, the hours without daylight in a particular city was 17 3/4 hours. What was the number of hours of daylight? PLS help me ASAP!
Answer:
6 ¼ hours of Daylight
Step-by-step explanation:
a day = 24 hoursyou know that there was 17 ¾ hours of no day light 17 ¾ = 17.7524 - 17.75 = Daylight hoursdaylight hours = 6.25hello guys I am with another new question-- 5√6=what? who answers will get!!
Answer: 12.24744871
Hope this helps!!! :)
help me please (3) 20 points
Answer:
Step-by-step explanation:
surface are of cuboid=2(lb+bh+hl)
=2(14*12+12*6+6*14)
=2(168+72+84)
=2*324
=648 in.^2
Answer:
648 inches
Step-by-step explanation:
First, you do 14 times 12 times 2 and get 336.
Next, you do 14 times 6 times 2 and get 168.
Then you do 6 times 12 times 2 and get 144.
Now add 336, 168, and 144 together to get 648.
What is the supplement of ([dozen sixes] + 80)degrees?
28 degrees
22 degrees
82 degrees
188 degrees
Answer:
28°
Step-by-step explanation:
Supplementary angles sum to 180°
( dozen sixes) + 80
= 12 × 6 + 80
= 72 + 80
= 152°
supplement = 180° - 152° = 28°
which is the solutions to the system of equations shown { 3x - y = 6 and here is the other equation{ x - 2y = -18
Answer:
(6, 12)
Step-by-step explanation:
{ 3x - y = 6
{ x - 2y = -18
by using elimination:
6x -2y=12
x - 2y= -18
________-
5x = 30
x = 6
y = 18-6 = 12
the solutions = {(6, 12)}
what is 713.49 written in standard form
Seven hundred thirteen point forty - nine
if please help !!!!!!!!
Answer:
ok question?
Step-by-step explanation:
A silo for storing grain Is shaped like a cylinder with a cone on top the cylinder is 40 feet tall and has a radius of 20 feet the cone is 10 feet tall with the same radius approximately how many cubic feet of grain can fit in the is shaped like a cylinder with a cone on top the cylinder is 40 feet tall and has a radius of 20 feet the cone is 10 feet tall with the same radius approximately how many cubic feet of grain can fit in the
silo
Answer: 54,454 ft^3
The volume of the cylinder is about 50265.4 and the volume of the cone is 4188.7. If you add this together you get 54,454.1. Therefore, 54,454 ft^3 is the answer
What is the length of this rectangle?
Answer and Step-by-step explanation:
The answer is:
[tex]x^3 - 3[/tex]
When we multiply this length by the height ([tex]8x^{2}[/tex]), we get the area.
When a power/exponent (attached to a base/number) is having its' base being multiplied to another base with an exponent (and the bases are the same), the exponents will add together.
#teamtrees #PAW (Plant And Water)
help find value of x and Angle HIK
Answer:
4) x = 19
Part B = 37
Step-by-step explanation:
These 2 angles are equal to each other because they're vertical angles.
4x + 67 = 143
4x = 143 - 67
4x = 76
x = 19
m<HIK:
180 - 143 (because it's supplementary to m<GIK)
37
Sharon started driving on the highway in the morning. The equation m=60h represents the number of miles, m, that Sharon has driven on the highway in h hours. Four other cars are on the same highway. click on all the graphs that represent cars moving faster than Sharon's car.
Answer: car 1, and car 4
Step-by-step explanation: if you look at the graphs you would have to look at where 1 hour would hit 60. If it’s past 60, the car is moving faster than sharon. Hope this helps!
please help!!!! i really need to get this done
Answer:
142°
Step-by-step explanation:
Which statement is true about the local minimum of the graphed function? O Over the interval [-4. -2], the local minimum is 0 Over the interval [-2, -1), the local minimum is 25 o Over the interval [-1.4], the local minimum is 0 Over the interval [47], the local minimum is -7.
Answer:
Step-by-step explanation:
123
List the members of the domain and range in the relation {(2, 8),(3, 27), (4, 64)}. *
Answer:
Step-by-step explanation:
Domain is indicative of the x values,while range is the y values. For our relation, the domain will be
D = {2, 3, 4} and the range will be
R = {8, 27, 64}
WHAT IS THUS PEOPLE
Jack is building a rectangular fence for his ferret. He has 20 feet of fencing and wants the short side of the fence to be 7 2 feet. How long will the other side of the fence be? Write the answer in decimal form. The long side will be feet.
Answer:
6.5 feet
Step-by-step explanation:
The guy above me is correct its 6.5 feet
The perimeter fence of a certain lot for Ipil-Ipil seedlings is 60 meters with the length of 10 meters. What is the area of the lot?
Answer: 200 m²
Step-by-step explanation:
The perimeter is calculated by the formula:
= (2 * length) + (2 * width)
We have the perimeter so we can find the width:
60 = (2 * 10) + (2 * w)
60 = 20 + 2w
2w = 60 - 20
w = 40 / 2
w = 20 meters
Area of a rectangle can be used because this fits the characteristics of a rectangle:
= Length * Width
= 10 * 20
= 200 m²
Laura has rectangular piece of wood that is 8 inches by 5.She wants to cover the top of the piece of wood with strips of ribbon that are 1/5 inch wide
What length of ribbon does she need to cover the top piece of wood?
Answer:
Laura will need 40 inches of string for this project.
Step-by-step explanation:
Divide 1/5 inch/strip into 8 inches:
8
------- = 40 inches
(1/5)
From the top of a cliff 8 metres high,two boats are seen in a direction due West. Find the distance between the boats if their angles of depression from the top of a cliff are 45 degrees and 30 degrees. Find also the actual distance the further boat from the top of the cliff.
Answer:
Distance of first boat = 8 meter
Distance of second boat = 13.87 meter (Approx.)
Step-by-step explanation:
Given:
Height of cliff = 8 meter
Angle of depression respectively = 45° and 30°
Find:
Distance of boats
Computation:
Tanθ = Perpendicular / Base
Tan45 = 8 / Distance of first boat
1 = 8 / Distance of first boat
Distance of first boat = 8 meter
Tan30 = 8 / Distance of second boat
0.577 = 8 / Distance of second boat
Distance of second boat = 8 / 0.577
Distance of second boat = 13.8648
Distance of second boat = 13.87 meter (Approx.)
a square garden plot has an area of 828 square feet. what is th eexact value of the one side of the garden
Answer:
B - 6sqrt(23) ft.
Step-by-step explanation:
Area = (Side)^2 = 828.
Side = sqrt(828) = sqrt(36*23) = 6 sqrt(23).
So B - 6sqrt(23) ft.
Mark me as Brainliest if this is correct! I really appreciate it! :D
What angle is this?
-Complementary
-Vertical
-Adjacent
-Supplementary
Answer:
Vertical
Step-by-step explanation:
Angles a and b reflect each other, which is what vertical angles are.
One pot has a water height of 8cm. Calculate the water pressure at the bottom of the pot. They give g = 10N / kg p = 1000kg / m3
We are given:
Depth of water column = 8 cm
g = 10 N/kg and ρ (density) = 1000 kg / m³
Finding the pressure at the bottom:
We know that the formula for pressure at the bottom of a fluid is:
P = P₀ + hρg [where P₀ is the atmospheric pressure]
P = P₀ + (0.08 m) (1000 kg / m³) (10 m / s²)
P = P₀ + 800 N/m²
we know that the atmospheric pressure, in N/m² is approximately 10⁵
P = (10⁵ + 800) N/m² [N/m² is also commonly called 'Pascals']
which means that at the bottom of the water column, the pressure is 800 Pascals more than what it normally is
A circle has a diameter that measures 14in. what is the area of the circle to the nearest tenth?
Answer:
153.9
Step-by-step explanation:
14/2=7 which is the radius which you square and it results to 49. multiply that times pi for 153.86 or 153.9 to the nearest tenth.
Answer:
153.9
Step-by-step explanation:
We know that the equation to find the area of a circle in [tex]\pi r^2\\[/tex]. So we divide the diameter by half and we plug in the radius.
What would be please help me out
Answer:
Third Choice, 1774.67π cm³
Step-by-step explanation:
Volume=(4/3)πr³
=(4/3)π×11³
=(4/3)π×1331
=1774.67π cm³
What can you conclude about these triangles? Check
all that apply.
0 Angle E corresponds to angle L.
O All corresponding angles are proportional.
The measure of angle E is 29º.
0 The two triangles are similar.
The two triangles are congruent.
Answer:
Angle E corresponds to angle LThe two triangles are similarStep-by-step explanation:
Angle E corresponds to angle L because the two triangles are similar (and we know this becuase corresponding sides are proportional.
Help ASAP. With lots of points will give brainiest!
I only need help explaining and showing the steps
STRUCTURE Tell whether the triangles are similar.
Answer:
yes it's similar triangle because it has same shape but size is not equal
Andrew had 40 dollars to spend on paying the paint store was having a sale each color comes in one gallon container that cost $12 each 3/8 of a gallon is needed to paint each wall will he have enough money to buy for the room explain your answer there are four walls to be painted
Answer:
yes, he would have enough money
He would need a total of 1.5 gallons to paint the wall .
the cost of 1.5 gallons is $18 dollars.
Andrew has 40. he has enough money
Step-by-step explanation:
total gallon needed to pain four walls = 3/8 x 4 = 1 1/2 gallons
total cost of 1 1/2 gallons = 1 1/2 x $12
to calculate this amount convert 1 1/2 to improper fraction
to convert to improper fraction, take the following steps :
1. Multiply the whole number by the denominator
2. Add the numerator to the answer gotten in the previous step
3. divide the number gotten in the previous step by the denominator
3/2 x $12 = $18
. Theo is comparing shark lengths. He learned that a horn shark is 2 3/4 feet long. A blue shark is 4 times as long. Use the bar model. How long is a blue shark?
A 8 3/4 feet
B 11 feet
C 12 1/4 feet
D 13 feet
Answer:
11
Step-by-step explanation:
2 3/4 times 4 equals 11
54,372,000,000,000 in scientific notation
Answer:
5.4372 x 10 to the 5th power
Step-by-step explanation:
Answer:
[tex]5.4372*10^{13}[/tex]
Step-by-step explanation: