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MArishka [77]
2 years ago
15

Plz helpppp will mark brainliesttttt

Mathematics
1 answer:
marishachu [46]2 years ago
5 0

Answer:

Step-by-step explanation:

P=2(L+W), we are given a side of 20 and a side of b

P=2(20+b)

P=40+2b

A) P(6)=40+12=52ft TRUE

B) P(8)=40+16=56ft TRUE

C) P(10)=40+20=60ft FALSE

D) P(12)=40+24=64ft FALSE

E) P(11)=40+22=62ft FALSE

So only A and B are true

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The second question
stich3 [128]

2)

A: 5

B: 9a & a (from a/6)

C: -5 & ÷4

D: -5 & 9a

I haven't done algebra in a year, so don't think my answers are perfect!

definitions:

term: something separated by a sign/symbol (÷, ×, - +) (a/6 are two separate terms, ÷)

constant terms: variables that can be solved.

unlike terms: terms that don't "go" together, you can't subtract 5 from 9a because there's a variable in the way (eyy that rhymes)

like terms: terms that you can add/subtract/multiply/divide to another term

(another answer to c is 9a & a)

7 0
3 years ago
The sum of two times x and one is at least 11. Write this word sentence as an inequality
Aneli [31]

Answer:

2x + 1 ≥ 11

Step-by-step explanation:

I believe this is it. Hope this helped!

7 0
3 years ago
Need answers for questions in Boxes
ANTONII [103]
A. Class A

A higher mean equals higher median overall.

B. Class B

The range of a data is the difference between the greatest value and the smallest value; a lower range would infer that the data's range is not very wide, and thus is not very varied.
4 0
3 years ago
A shipping service restricts the dimensions of the boxes it will ship for a certain type of service.
Mandarinka [93]

Answer:

Then the answer is option a  

a. 0<x \leq10

Step-by-step explanation:

perimeter + height is less than 130 inches.

If height is 60 inches.then perimeter left is 70 inches.

If perimeter was more than 70 inches then perimeter 60 more than the height would be more than 130.

perimeter of rectangle is

It has two widths and two lengths because that's what rectangles do.

width of base "x"

Then the length is 2.5x

perimeter = 2 width + 2 length

= 2(x) + 2(2.5x)

= 2x + 5x

= 7x

but perimeter can't be more than 70 inches.

So x can't be more than 10 inches because if x was more than 10 inches, then 7x which is perimeter would be more than 70 inches.

2x + 2(2.5x) + 60 \leq  130

7x + 60 ≤ 130

7x ≤ 70

x ≤ 10

Then the answer is option a  

a. 0<x≤10

3 0
3 years ago
Only 23 out of 50 people in the class passed the exam. What percent of the class passed the exam?
Black_prince [1.1K]

Answer:

46%

Step-by-step explanation:

For percents, we want to make the number out of 100.  23/50 is the same as 46/100.  From fraction knowledge, 46/100 is 46%.

5 0
2 years ago
Read 2 more answers
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