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ElenaW [278]
2 years ago
14

HELPPPPP PLZZZZZZZ PLLLZZZ BRANLIESTTTT look THAT THE PICTURE

Mathematics
2 answers:
Pepsi [2]2 years ago
5 0

Answer:

y is equal to or greater to one

y > 1 (BUT THE > HAS A DASH UNDER IT)

Step-by-step explanation:

it's a colored in circle and i was taught that that's when the point is included (that's why a dashed should be under the >)

elena55 [62]2 years ago
5 0

Answer:

y \geqslant 1

Step-by-step explanation:

the coloured dot means it is equal to or more than 1

as the arrow moves toward bigger numbers than 1

You might be interested in
What is the greatest common factor of 4k, 18k4, and 12?
levacccp [35]
Factor each
4k=2*2*k
18k⁴=2*3*3*k*k*k*k
12=2*2*3

GCF=2


the greatest common factor is 2
7 0
3 years ago
Read 2 more answers
Use the scale of 1cm=45 km
alex41 [277]

Answer:

d = 7.4 cm is the distance between the two cities on the map.

Step-by-step explanation:

Let d = the distance measured on the map in centimeters (cm) between any two locations and let D be the actual distance in kilometers (km) between these same two locations.

Since the scale on the map is 1 cm = 45 km, then the ratio of the distance on the map to the actual distance is equal to 1cm/45 km; therefore the quotient of any measured distance d on the map divided by the corresponding much longer actual distance D would have to maintain (equal) this same ratio; In other words, we can set up the following proportion to solve for d given the actual distance D = 333 km as follows:

1 cm/45 km = d/D

Substituting, we get:

1 cm/45 km = d/333 km

d/333 km = 1 cm/45 km

(d/333 km)(333 km) = (1 cm/45 km)(333 km)

d = (333 km/45 km)(1 cm)

d = 7.4 cm is the distance between the two cities on the map.

Check:

1 cm/45 cm = d/333 km

1 cm/45 cm = 7.4 cm/333 km

1 cm/45 cm = 1 cm/45 km (Therefore, the distance ratio of the map has been maintained

3 0
1 year ago
Find the simplest interest. principal = $870 interest rate = 3% time = 9 months
JulsSmile [24]

Answer: $889.58

Step-by-step explanation:

⇒<u>Equation:</u>

A = P(1 + rt)

Turn 3% into decimal and you get 0.03, then 9 months/ 12 months = 0.75 years.

<h2><u>WORK ↓</u></h2>

⇒A = 870(1 + (0.03 × 0.75)) = 889.575

⇒A = $889.58

* Hopefully this helps:)  Mark me the brainliest:) !!!!

8 0
3 years ago
Brainliest to the first CORRECT answer, Thanks
kotykmax [81]

Answer:

28 inches

Step-by-step explanation:

P = 2 (a + b) = 2 · (6 + 8) = 28

5 0
3 years ago
A rectangular box without a lid is to be made from 48 m2 of cardboard. Find the maximum volume of such a box. SOLUTION We let x,
tatiyna

Answer:

The maximum volume of such box is 32m^3

V = x×y×z = 32 m^3

Step-by-step explanation:

Given;

Total surface area S = 48m^2

Volume of a rectangular box V = length×width×height

V = xyz ......1

Total surface area of a rectangular box without a lid is

S = xy + 2xz + 2yz = 48 .....2

To be able to maximize the volume, we need to reduce the number of variables.

Let assume the rectangular box has a square base,that means; length = width

x = y

Substituting y with x in equation 1 and 2;

V = x^2(z) ....3

x^2 + 4xz = 48 .....4

Making z the subject of formula in equation 4

4xz = 48 - x^2

z = (48 - x^2)/4x .......5

To be able to maximize V, we need to reduce the number of variables to 1, by substituting equation 5 into equation 3

V = x^2 × (48 - x^2)/4x

V = (48x - x^3)/4

differentiating V with respect to x;

V' = (48 - 3x^2)/4

At the maximum point V' = 0

V' = (48 - 3x^2)/4 = 0

Solving for x;

3x^2 = 48

x = √(48/3)

x = √(16)

x = 4

Since x = y

y = 4

From equation 5;

z = (48 - x^2)/4x

z = (48 - 4^2)/4(4)

z = 32/16

z = 2

The maximum volume can be derived by substituting x,y,z into equation 1;

V = xyz = 4×4×2 = 32 m^3

7 0
3 years ago
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