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Marrrta [24]
3 years ago
9

What is the area of the dining room

Mathematics
2 answers:
Mkey [24]3 years ago
8 0

ik not sure exactily lmap

Aleks04 [339]3 years ago
6 0

i dont know...........................

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Martina is 3 inches less than twice as tall as her little brother. Write an expression for Martina's height. How tall is Martian
Lyrx [107]

Answer:

Martina is 53 inches tall.

Step-by-step explanation:

In order to write an expression that relates the siblings heights we need to attribute variables to each brother. First we will call Martina's height as "m", then we can call her little brother's height as "b". The problem states that Martina's height is 3 inches less than twice the height of her brother so we have:

m = 2*b - 3

Then the problem gives us the height of her brother that is 28 inches tall, so b = 28. We can now compute Martina's height:

m = 2*28 - 3 = 56 - 3 = 53 inches.

4 0
3 years ago
Write an equation in<br> y = mx + b form for<br> the line graphed.
Dimas [21]

Answer:

y=2x-5

explanation

m is gradient so rise over run and b is the y intercept which is -5

7 0
2 years ago
Read 2 more answers
Find the simple interest for a $8,000 loan for 2 years at a rate of 4% (formula: l=prt)​
Natali [406]

Answer:

S.I= 640

Step-by-step explanation:

I=prt

where p= $8,000

and r= 4%

and t= 2 years

$8,000×4%×2

8,000×4/100×2

80×4×2

=640

Therefore The S.I = 640.

6 0
3 years ago
Which expression is equivalent to 5(2x+3)-2x?
IrinaK [193]

Answer:

x= -15/8

Step-by-step explanation:

5(2x+3)-2x = 0

10x+15-2x = 0

8x= -15

x= -15/8

3 0
3 years ago
Read 2 more answers
Find the circumference and area of a circle<br>with a radius of 5 feet.​
iVinArrow [24]

Circumference = 2(pi)r

Area = (pi)r^2

r = 5

5 * 2 = 10

Circumference = 10π

5 * 5 = 25

Area = 25π

Using 3.14 as pi substitute:

5 * 3.14 = 15.7

15.7 * 2 = 31.4

Circumference = 31.4

5 * 5 = 25

25 * 3.14 = 78.5

Area = 78.5

4 0
3 years ago
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