3 years ago

Plz tell me the answer

Mathematics

1 answer:

solong [7]3 years ago

8 0

medium box has best value

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Is (2,3) a solution to the system of inequalities 4x+3y<20 <br> 10x+y>10

stiks02 [169]

Yes it is a solution because if you take the equation and plug the point in for the x and y :

4 (2) + 3 (3) < 20
8 + 9 < 20
17 < 20
which is true

10 (2) + (3) > 10
20 + 3> 10
23>10
which is also true

7 0

3 years ago

Read 2 more answers

The lengths of the bases of the right trapezoid are 9 cm and 18 cm. The length of a longer leg is 15 cm. Find the area of the tr

finlep [7]

Firstly, we will draw figure

now, we will draw a altitude from B to DC that divides trapezium into rectangle and right triangle

because of opposite sides of rectangle ABMD are congruent

so,

DM=AB=9

CM=CD-DM

CM=18-9

CM=9

now, we can find BM by using Pythagoras theorem

$BM=\sqrt{BC^2-CM^2}$

now, we can plug values

we get

$BM=\sqrt{15^2-9^2}$

$BM=12$

now, we can find area of trapezium

$A=\frac{1}{2} (AB+CD)*(BM)$

now, we can plug values

and we get

$A=\frac{1}{2} (9+18)*(12)$

$A=162cm^2$

so, area of of the trapezoid is $162cm^2$ ..........Answer

6 0

3 years ago

Sam has 36 pieces left to complete a puzzle. He has already put together 414 pieces. How many pieces p are in the puzzle? Write

dsp73

Answer:

450

Step-by-step explanation:

414+36=450

414+36=450p

7 0

3 years ago

Read 2 more answers

Anne, Bridget, and Sasha shared a sum of money. Anne took 1/3 of the total amount, and Bridget took 1/4 of the remaining money.

lesya692 [45]

Answer:

180

Step-by-step explanation:

160= 1/3 * total
160*3 = total
480 = total

bridget = 1/4(total)
bridget = 1/4(480)
bridget took 120

Sasha took 1/2 of 360
Sasha took $180.

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2 years ago

Write 144 as a product of it's prime number. <br>plz faster,

umka21 [38]

Answer:

Step-by-step explanation:

144 divided by 2 72

72 by 2 36

36 by 2 18

18 by 2 9

3by 3 3

3 by3 1

2x2 2x2 2x2 3x3

pick on from each set

2x2x3

3 0

3 years ago