MATHEMATICS MIDDLE SCHOOL

(90 ÷ 5) + (78 × 34)

Answers

Answer 1

Answer:

= 18 + 2652

= 2670

Answer: 2670

Answer 2

Answer:

First of all, we need to solve the parentheses.

90/5=18

78(34)=2652

Now we add.

2652+18=2670

Therefore, our answer is 2670

I hope this helps!

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Combine like terms for 0.5(x to the fourth power-3)+12 please helpppp

Answers

what you are looking for is
.5x to the fourth power+10.5

Answer:

the other dudeis wrong i already did that math page. the answer is (x to the 4th power minus 3) plus 12 divided by 2

Step-by-step explanation:

rachel is a stunt driver. One time during a gig where she escaped from a building about to explode she drove to get to the safe zone at 24 meters per second. After 4 seconds of driving she was 70 meters away from the safe zone. Let D(t) denote the distance to the safe zone D (measured in meters) as a function of time t (measured in seconds) writ the functions formula

Answers

The distance from the safe zone after t seconds is $\rm D(t) = 166 - 24 t$ .

Given

Rachel is a stunt driver.

One time during a gig where she escaped from a building about to explode she drove to get to the safe zone at 24 meters per second.

After 4 seconds of driving, she was 70 meters away from the safezone.

What is a linear function?

A linear function containing one dependent and one independent variable.

It is represented in the form of;

$\rm y =mx+c$

Where m is the slope.

Let, D(t) = the distance to the safe zone (measured in meters)

t = time (measured in seconds)

At seconds t = 4 seconds D(t1) = 70 meters

Rachel's rate is the slope of the function D(t). Since the distance is decreasing when the time is increasing, the slope must be negative.

Hence, the linear function expression is;

$\rm D(t) = -24t+b$

The value of b is;

$\rm D(t_1) = -24t+b\n\n70 = -24* 4+b\n\n70=-96+b\n\nb = 96+70\n\nb=166$

Therefore, the distance from the safe zone after t seconds is $\rm D(t) = 166 - 24 t$ .

To know more about the Linear function click the link given below.

brainly.com/question/13919345

Answer: The required function is,

D(t) = 166 - 4 t

Step-by-step explanation:

Here, the speed of the stunt driver = 24 meters per seconds,

⇒ The distance he will cover in 4 seconds = 24 × 4 = 96 meters

( Distance = speed × time )

According to the question,

The distance of the safe zone from the building where did he escape = 70 meters + The distance he covers in 4 seconds

= 70 + 96

= 166 meters

Hence, if he is driving with the constant speed of 24 meters per minutes,

Then, his distance from the safe zone after t seconds = 166 - 24 t

⇒ D(t) = 166 - 24 t

Which is the required function.

Factor the expression and exlplain
20b - 16

Answers

Answer:

4(5b-4)

Step-by-step explanation:

20b -16

Both terms are divisible by 4 so we can factor out a 4

4*5b -4*4

4(5b-4)

Factor a pair of 32

Answers

Answer:

1, 2, 4, 8, 16, 32

1 x 32, 2 x 16, or 4 x 8

28/12 simplified (In simplest form.)

Answers

The simplified expression of 28/12 is 2 1/3

How to simplify the expression

From the question, we have the following parameters that can be used in our computation:

28/12

Divide 28 and 12 by 4

so, we have the following representation

28/12 = 7/3

Next, we have

28/12 = 2 1/3

Hence, the simplified expression is 2 1/3

Answers

x% = x/100

So

22.5% = $\sf{(22.5)/(100)}$

Multiply 2 on both sides:

$\sf{(22.5*2)/(100*2)=(45)/(200)}$

Divide by 5 on both sides:

$\sf{(45/5)/(200/5)=(9)/(40)}$

So your final answer is $\boxed{\sf{(9)/(40)}}$

225/1000 = 45/200 = 9/40
Hope this helps :)

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