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2 years ago

Which expression has a value of 16?

Mathematics

2 answers:

maks197457 [2]2 years ago

7 0

Answer:

The first option, 4(4+4) - 16

Step-by-step explanation:

To find this, you follow PEMDAS, so first, solve the parenthesis for 8, multiply that by 4 since multiplication is next because there are no exponents. then subtract to finish this up, since it is last in the PEMDAS method.

4(4+4)-16

4*8-16

32-16

GalinKa [24]2 years ago

5 0

In the first question, is 4. Part of the question?

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1. What is the perimeter of the figure below. Simplify.<br> 4x^3-5x 2x^3+6x 6x^3+x

____ [38]

Answer:

$12x^3+2x$

Step-by-step explanation:

The perimeter of a polygon is equal to the sum of its sides.

The sides in the triangle shown have lengths $2x^3+6x$ , $4x^3-5x$ , and $6x^3+x$ in no specific order.

Since its perimeter is given by the sum of its sides, the perimeter is equal to:

$2x^3+6x+4x^3-5x+6x^3+x$

Combine like terms:

$\boxed{12x^3+2x}$

6 0

3 years ago

The speed of boat in still water is 15km/hr if needs 4 more his to travel 63 km against the current of a river than it needs to

hram777 [196]

Answer:

$\frac{63}{15 - c} - \frac{63}{15 + c} = 4$

Step-by-step explanation:

The systems of equations are

Let us assume the rate of the current be c

Now actual speed against the current is (15 - c)

And, the actual speed with the current is (15 + c)

Here we applied the time formula i.e. distance by speed

Also the upstream time - downstream time = 4

Now the equations are

$\frac{63}{15 - c} - \frac{63}{15 + c} = 4$

5 0

2 years ago

What is 5136 divided by 8

frutty [35]

5136/8 is equal to 642.

You can use a calculator if you'd like.

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3 years ago

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Which choice is the explicit formula for the following geometric sequence?0.5, -0.1, 0.02, -0.004, 0.0008, ...

Minchanka [31]

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3 years ago

olga nikolaevna [1]

Answer:

the answer is 18 cm

Step-by-step explanation:

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2 years ago

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