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3 years ago

Simon has a rectangular garden that is 10 feet wide. The perimeter of the garden is 50 feet.

2 answers:

3 0

The area is 150 feet^2. The dimensions are 10x15 feet.

_________x__________
| |
| |
| 10 ft | 10 ft
| |
| ________x__________|

20+2x=50 <--- the perimeter
30=2x
x= 15

mash [69]3 years ago

3 0

The area is 150 feet.

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The area of a rectangle is 1176 square meters. The width of the rectangle is 21 meters. What i the length of the rectangle?

stepan [7]

Answer:

Step-by-step explanation:

1176 divided by 21 = 56

3 0

2 years ago

Su has 5 times as many marbles as Bertha. When Su gives Bertha 10 marbles, they have the same amount. How many marbles did they

Dafna11 [192]

Answer:

Part A)

The number of marbles that Su has at the beginning is $25$

The number of marbles that Bertha has at the beginning is $5$

Part B)

The number of marbles that Su has at the end is $15$

The number of marbles that Bertha has at the end is $15$

Step-by-step explanation:

Let

x------> number of marbles that Su has at the beginning

y------> number of marbles that Bertha has at the beginning

we know that

$x=5y$ ----> equation A

$x-10=y+10$ ----> equation B

substitute equation A in equation B

$(5y)-10=y+10$

$4y=20$

$y=5$

Find the value of x

$x=5(5)=25$

Part A) How many marbles did they EACH have at the begining?

The number of marbles that Su has at the beginning is $25$

The number of marbles that Bertha has at the beginning is $5$

Part B) How many did they EACH have at the end?

$x-10=y+10$

$25-10=5+10$

$15=15$

therefore

The number of marbles that Su has at the end is $15$

The number of marbles that Bertha has at the end is $15$

5 0

3 years ago

PLEASE HELP. I need an answer by Nov 5

DochEvi [55]

Answer:

Step-by-step explanation:

1. M is the midpoint of CD; CM = 3x - 10; MD = 6x - 22; GIVEN

2. CM = MD Definition of Midpoint

3. 3x - 10 = 6x - 22 Substitution Property

4. -3x - 10 = - 22 Subtraction Prop of Equality

5. -3x =-12 Addition Prop of Equality

6. x = 4 Division Prop of Equality

3 0

3 years ago

Read 2 more answers

Please help! Which line would be perpendicular?

givi [52]

Answer:

D. -2x + 2y = 1

Step-by-step explanation:

When the line is given in standard form:

ax + by = c, it has slope of -a/b

Given line:

4x + 4y = 3

It has a slope:

m = -4/4 = -1

A line perpendicular to the given should have a slope m = 1 as negative reciprocal to the given

Let's see which line has the slope of 1:

1. m = -(-1)/6 = 1/6 - NO
2. m = -4/4 = -1 - NO
3. m = -2/4 = -1/2 - NO
4. m = -(-2)/2 = 1 - YES

Correct option is D

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2 years ago

Find the surface area of the prism. A 75 cm^2 B 125 cm^2 C 95 cm^2 D 113 cm^2

Sav [38]

Did you ever get the answer to this?

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3 years ago