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Charra [1.4K]
4 years ago
6

Rearrange the formula P = 2(l + b) for b.

Mathematics
1 answer:
Elan Coil [88]4 years ago
6 0
B = -l + 1/2 P is the answer
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A zucchini plant in Darnell's garden was 12 centimeters tall when it was first planted. Since then, it has grown approximately 0
s344n2d4d5 [400]

Answer:

(a) Find out the  a rule to describe the function.

To prove

Let us assume that the days be represted by d .

Let us assume that the height of plant be represted by y.

As given

A zucchini plant in Darnell’s garden was 12 centimeters tall when it was first planted.

it has grown approximately 0.5 centimeter per day.

Than the function becomes

y = 12 + 0.5 × d

y = 12 + 0.5d

(b) Find out after how many days will the zucchini plant be 0.195 meter tall .

To prove

Let us assume that the days be represted by d .

As given

A zucchini plant in Darnell’s garden was 12 centimeters tall when it was first planted.

it has grown approximately 0.5 centimeter per day.

As

1meter = 100cm

0.195 meter convert into centimeter.

= 19.5cm

Than the equation becomes

12 + 0.5d = 19.5

0.5d = -12 + 19.5

0.5d = 7.5

d = 7.5/10

d = 15 days

Therefore 15 days will the zucchini plant be 0.195 meter tall .

7 0
3 years ago
Simplify the following<br> (7x+3y-7z)+(2x+2y+2z)
Oduvanchick [21]

Answer:

9x+5y-5z

Step-by-step explanation:

if you need an explanation I can put it in the comments :)

7 0
3 years ago
Which of the following are accurate descriptions of the distribution below?
saw5 [17]

Answer: C. None of the above

Step-by-step explanation:

4 0
3 years ago
3/4 of a piece of metal has a mass of 15kg.what is the mass of 2/5 of the piece of metal
olga2289 [7]
3/4=15
let,
total mass is x
x=4×15/3
=20 kg
so, total mass = 20 kg

=2×20/5
=2×4
=8 kg

Hope this helps!
8 0
3 years ago
on the freeway, it is unsafe to drive too slowly or too quickly. the safest driving speeds on the freeway near allan’s town were
olganol [36]
|x – 55| = 4.2

where x is the speed.

-4.2 < x - 55 < 4.2

-4.5 + 55 < x < 55 -4.2

50.8 < x < 59.2

The upper boundary for x is 59.2 

The speed must be in the range  55 - 4.2 to 55 + 4.2.

5 0
3 years ago
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