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3 years ago

Solve 4x+4= 2x+10 will give brainliest to whoever answers first

Mathematics

2 answers:

borishaifa [10]3 years ago

8 0

Hi!

4x+4=2x+10

Move all the numbers to the right and all the variables to the left, using the opposite operation:

4x-2x=10-4

2x=6

Divide both sides by 2:

x=3 (Answer)

Hope it helps!

Enjoy your day!

~Misty~

Snezhnost [94]3 years ago

6 0

Answer:

4x+4=2x+10 --> 4x-2x=10-4 --> 2x=6 --> x=6/2 --> x=3/1 --> x=3 Answer.

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which of the following represents the area of a rectangle whose length is 5x-3 and whose width is x+7

Neko [114]

Answer:

The answer is 5x^2+32x-21

Step-by-step explanation:

To find the area of a rectangle, you have to multiply the length by the width. Then, you will get the equation of (5x-3)(x+7). Then, multiply these two together, therefore getting 5x^2+32x-21.

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4 years ago

The table represents a function.

Amiraneli [1.4K]

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3 years ago

Read 2 more answers

I literally have no clue how to do this.

timurjin [86]

Answer:

Step-by-step explanation:

Sine is opposite divided by the hypotenuse.

sin(30) = 9/y

1/2 = 9/y

y = 18

Cosine is adjacent divided by the hypotenuse

cos(30) = x/18

$\frac{\sqrt{3} }{2}=x/18\\x=9\sqrt{3}=15.6$

3 0

3 years ago

8. Solve.

trapecia [35]

Answer:

48 assistants

Step-by-step explanation:

If 1 executive has an average of 1.5 assistants, let x represent the number of assistants that are employed if there are 32 executives in the office.

Thus:

1.5 assistants to 1 executive = x assistants to 32 executives

1.5 : 1 = x : 32

$\frac{1.5}{1} = \frac{x}{32}$

Cross multiply

$1.5*32 = x*1$

$48 = x$

Therefore, 48 assistants were employed in the office.

3 0

4 years ago

An article describes a study in which a new type of ointment was applied to forearms of volunteers to study the rates of absorpt

irinina [24]

Answer:

There were 28 different choices for the six locations to apply the new ointment

Step-by-step explanation:

The order in which the location are chosen is not important, which means that we use the combinations formula to solve this question.

Combinations formula:

$C_{n,x}$ is the number of different combinations of x objects from a set of n elements, given by the following formula.

$C_{n,x} = \frac{n!}{x!(n-x)!}$

Two events, A and B are independent, if:

$P(A \cap B) = P(A)P(B)$

How many different choices were there for the six locations to apply the new ointment?

Six locations from a set of 8. So

$C_{8,6} = \frac{8!}{6!2!} = 28$

There were 28 different choices for the six locations to apply the new ointment

7 0

3 years ago