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3 years ago

Helppppp I willl give u the brainlest!!!!!

Mathematics

1 answer:

guajiro [1.7K]3 years ago

3 0

Answer:

diameter is 4

Step-by-step explanation:

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Factored completely, the expression 3x^2 - 3x - 18 is equivalent to

Dima020 [189]

Answer:

3(x−3)(x+2)

Step-by-step explanation:

4 0

2 years ago

The dimensions of a rectangle are given in

alexandr1967 [171]

Option A and Option F

The expressions that represent the perimeter of rectangle are 4s + 1 and $2(2s + \frac{1}{2})$

Solution:

From figure,

Length = s

Width = $s + \frac{1}{2}$

The perimeter of rectangle is given as:

perimeter = 2(length + width)

Substituting the values we get,

$perimeter = 2(s + s + \frac{1}{2})\\\\perimeter = 2(2s + \frac{1}{2})$

Thus option F is correct

On further simplification,

$perimeter = 2(2s + \frac{1}{2})\\\\perimeter = 4s + 2(\frac{1}{2})\\\\perimeter = 4s + 1$

Thus Option A is correct

3 0

2 years ago

Susan will spend less than $39 on gifts. So far, she has spent $21. What are the possible additional amounts she will spend?

bekas [8.4K]

Answer:

any amount less than $18

Step-by-step explanation:

39-21= 18

she can spend any amount LESS than $18

5 0

2 years ago

What is the surface area?

dlinn [17]

Answer:

6,656 square meters

Step-by-step explanation:

Surface area of triangular pyramid = bh + L(S1 + S2 + S3)

Where,

b = 48 m

h = 32 m

L = 40 m

S1 = 40 m

S2 = 40 m

S3 = 48 m

Plug in the values

Surface area = 48*32 + 40(40 + 40 + 48)

= 1,536 + 5,120

= 6,656 m²

4 0

2 years ago

4.) Kandice can read ¾ of a book in ½ an hour. What is the rate that she can read a book in terms of books per hour? ( I think i

Margarita [4]

The answer is 20 and6

6 0

2 years ago

Read 2 more answers