Can you please help me I I need help

Answer:

a) Expression 1 = 29.833

b) (5+4) * 2 + 6 -2 * 2 - 1

Step-by-step explanation:

In expression 1 we have to know that the order to solve operations is:

First parenthesis, then multiplication and division and then addition and subtraction.

So we have the expression:

6*7-3/2*9+4/3

We first solve multiplications and divisions:

42-1.5*9+1.34

42-13.5+1.34 = 29.84

b) The parenthesis is the operation that goes first so if we insert the parenthesis in 5+4 we will get the next result:

(5+4) * 2 + 6 - 2 * 2 - 1

We have to solve parenthesis first, then multiplication and division and then addition and subtraction:

(9) * 2 + 6 - 4 - 1

18+6-4-1 = 19

We get the number 19.

To pack an order for 4,270 blocks using crates and stacks, you will need 43 crates and 27 stacks.

To pack an order for 4,270 blocks using only crates and stacks, you could use a combination of both. First, determine the number of crates you will need. Since each crate holds 100 blocks, divide 4,270 by 100 to get 42.7. Since you can't have a fraction of a crate, you will need 43 crates.

Next, find out how many blocks are left after packing the crates. Subtract the number of blocks used in the crates (43 crates x 100 blocks) from the total number of blocks (4,270 blocks). You will be left with 4,270 - (43 x 100) = 270 blocks.

Now, you can use stacks to pack the remaining blocks. If each stack can hold 10 blocks, divide 270 by 10 to get 27 stacks. Therefore, you will need 43 crates and 27 stacks to pack an order for 4,270 blocks.

Answer: 150

Step-by-step explanation:

Let x be the total number of cans that was students' goal.

Given : Students collected 600 cans for the canned food drive that was 80% of their goal .

We can write 80% as 0.80

Then, we have

[tex]0.80x=600\\\\\Rightarrow\ x=\dfrac{600}{0.80}=750[/tex]

Thus, The students' goal of collecting cans for the canned food drive = 750 cans

Now, the number of food cans required to collect to reach the goal= 750-600=150

Answer:

The bank would be real and rational and the glass of water would be real and rational

Step-by-step explanation:

the guy above just wanted points

Answer:

3y+4x=5

Step-by-step explanation:

step 1

Find the slope

we have

(–7, 11) and (8, –9)

m=(-9-11)/(8+7)

m=-20/15

m=-4/3

step 2

Find the equation of the line into point slope form

we have

m=-4/3

point (-7,11)

substitute

y-11=-(4/3)(x+7) ----> equation of the line into point slope form

Multiply by 3 both sides

3y-33=-4(x+7)

3y-33=-4x-28

3y+4x=33-28

3y+4x=5 -----> equation of the line into standard form

The x- and y-intercepts are (8, 0) and (0, -2), respectively. and the graph is attached

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

y = 1/4x - 2

To find the x-intercept, set y to 0 and solve for x:

0 = 1/4x -2

1/4x = 2

x = 8

So the x-intercept is (8, 0).

To find the y-intercept, set x to 0 and solve for y:

y = 1/4 * 0 - 2

y = -2

So the y-intercept is (0, -2).

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The problems have involved going down a waterslide.

To model a slide, you start at the highest point and then decrease as you move down the slide.

The rate of change has compared a drop or decrease in vertical height to an increase in either time or horizontal distance.

The rates of change is negative because the assignment involved the model of a waterslide with a downward slope.

A negative rate of change would occur if the output decreases as the input increases, and vice versa.

For a model slide, the highest point is plotted first, and going down the waterslide shows a negative slope.

Therefore, the rates of change is negative because the assignment involved the model of a waterslide with a downward slope.

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[tex] p\%=\dfrac{p}{100}\\\\225\%=\dfrac{225}{100}=2\dfrac{25}{100}=2.25=2\dfrac{1}{4}\\\\550\%=\dfrac{550}{100}=\dfrac{55}{10}=5\dfrac{5}{10}=5.5=5\dfrac{1}{2}\\\\0.8\%=\dfrac{0.8}{100}=\dfrac{0.8\cdot10}{100\cdot10}=\dfrac{8}{1,000}=0.008=\dfrac{1}{125}\\\\0.06\%=\dfrac{0.06}{100}=\dfrac{0.06\cdot100}{100\cdot100}=\dfrac{6}{10,000}=0.0006=\dfrac{3}{5,000}[/tex]

Answer : The location on the number line to plot the point is shown below.

Step-by-step explanation :

Number line : It is defined as a straight line with the numbers that are placed at equal intervals along its length.

As we move from zero to the right the numbers are positive.

As we move from zero to the left the numbers are negative.

The given expression is:

1.4 + (-0.8)

By solving the expression, we get:

⇒ 1.4 - 0.8

⇒ 0.6

Answer:

It is not proportional becuase it has a different rate of change.

Hope this helps too!

Step-by-step explanation:

There are 360 smokers in group of 400 smokers began smoking before they reached their 21st birthday.

Any relationship that is always in the same ratio and quantity which vary directly with each other is called the proportional.

Given that;

Approximately 9 out of 10 smokers began smoking before the age of 21.

Now,

Let number of smokers in group of 400 = x

Since, approximately 9 out of 10 smokers began smoking before the age of 21.

Hence, Number of smokers in group of 400 is,

⇒ 9 / 10 = x / 400

Solve for x as;

⇒ 9 × 400 / 10 = x

⇒ 9 × 40 = x

⇒ x = 360

Thus, There are 360 smokers started before they reached their 21st birthday.

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