Worksheet 1.3

Part 1: Write a math expression for each problem (model the problem).

1)

Lumpy drove for h hours at 50 mph. How far did he drive?

Answer:

I GOT YOU!

Step-by-step explanation:

⛅️= 10

❄️= 5

x = 8

So,

10+10+10=30

10+5+5=20

5+8= 13

10+5+8=23

I hope I helped...

Answer:

y = 15, 11, and -1 when x = -1, 0, and 3 (respectively).  Together, we have the points (-1, 15), (0, 11), and (3, -1).

Step-by-step explanation:

Assuming you want to find the values of y for each evaluated x, we will simply plug in the values into the equation.

y + 4x = 11

y = 11 - 4x

For x = -1

y = 11 - 4(-1)

y = 15

For x = 0

y = 11 - 4(0)

y = 11

For x = 3

y = 11 - 4(3)

y = -1

Thus, we have the points, (-1, 15), (0, 11), and (3, -1).

Cheers.

Answer:

10% discounted

Step-by-step explanation:

500× X = 450

while X is the sale price

so we solve for X

(500X)÷500 = 450 ÷ 500

X = 0.9

then we turn that into percentage

0.9 × 100 = 90%

finding the discount percentage

100% - 90% = 10%

Answer:

Step-by-step explanation:

Answer:

yes

Step-by-step explanation:

A rational number is a number that can be written as a ratio of integers

-8/5 is a ratio of integers so it is rational

Answer:

Yes.

Step-by-step explanation:

Rational numbers you can solve. They have a solution.

Answer:

Option A

Step-by-step explanation:

The expression that completes the blank is A. 11  x  w * x 3 = 11  x 3  x  w.

The commutative property is a mathematical concept that states that the order in which we multiply the factors does not affect the product.

According to the commutative property, a mathematical principle, the product is unaffected by the order in which we multiply the integers.

According to the above, the example of a commutative property is:

11  x w x 3 = 11 x  3 x w

This expression is the one with the commutative property because it has the same factors on both sides of the equation in a different order and that does not affect the result.

Therefore, the correct answer is A.

This question is incomplete because you are missing the options, here are the options:

A. 11 x w x 3 = 11 x 3 x w

B. 11 x w x 3 = 11 x w x 3

C. (11 x w) x 3 = 11 x (w x 3)

D. 11 x (w x 3) = (11 x w) + (11 x 3)

To know more about cumulative property follow

https://brainly.com/question/2475734

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Answer:

8209.44

Step-by-step explanation:

CUBE: 20x20x20=8000

HEMISPHERE=2/3[tex]\pi[/tex]r²=

2/3[tex]\pi[/tex](10)²=209.44

8000+209.44=8209.44

f(x) represents x-axis. So, for f(-1), look the point of -1. Then vertically, it reaches the point of -3 which is in the y-axis.

Answer is -3.

Answer:

price of vegetables= regular price-discount

p=r-discount

Step-by-step explanation:

discount = regular price- price of vegetables

discount= r-p

OR

price of vegetables= regular price-discount

p=r-discount

percentage discount

[(original price- discounted price)/original price]*100= percent discount

Answer:

P = r - 8

Step-by-step explanation:

Got it correct.

Answer:

according to me

Step-by-step explanation:

yes u r correct

;]

1. (1 / 5)5 * 14 = 14 because 1/5 multplied by 5 is equal to 1. I believe this is called reciprocals.

2. 6 + 4 (19 - 5) = 6 + 4(19) - 4(5) = 6 + 76 - 20 = 62. This is called the distributive property.

3. 5 (14 - 5) + 6 (3 + 7) = 5(14) - 5(5) + 6(3) + 6(7) = 70 - 25 + 18 + 42 = 105. We also used the distributive property in this question.

Answer: 9

Step-by-step explanation:

4+6x+5=7x

-6x -6x

=

4+5=1x

9=1x

X=9

Answer:

Hey there!

p(x)=7x+25

7x+25=60

7x=35

x=5

Let me know if this helps :)

Answer: Option A & D are true statements.

Work:

For option A, it states 1 pound = 2.75. Now when we divide 16.50 by 6 we get 2.75, so option A is true.

Option B states 2.75 pounds = 1$. We already know this isn't true seeing as 2.75 pounds would equal 7.56, so option B is false.

Option C reads as 5 pounds equal 15.50. When we multiply 5 by 2.75, we get 13.75, so option C is also untrue.

Option D quotes 12 pounds equals 33. When we multiply 12 by 2.75, it equals 33, so this is a true statement!

Option E says the point 3,9 is on the graph, but its not. So this is not true.

Answer:

p/8

Step-by-step explanation:

Clear question is;

A ball is dropped from the top of a

building. The expression 4.9x² gives the distance in meters the ball

has fallen after x seconds. Write and simplify an expression that gives the

distance in meters the ball has fallen after x² seconds. after x³ seconds.

Answer:

A) Distance = 4.9x⁴

B) Distance = 4.9x^(6)

Step-by-step explanation:

We are given the expression 4.9x² which is the distance in meters the ball

has fallen after x seconds.

Thus,

A) after x² seconds, we have;

Distance = 4.9(x²)²

Distance = 4.9 * (x²) * (x²)

When we have to multiply 2 same numbers with the same power, the powers add up. Thus, we now have;

Distance = 4.9x⁴

B) after x³ seconds, we have;

Distance = 4.9(x³)²

Distance = 4.9 * (x³) * (x³)

When we have to multiply 2 same numbers with the same power, the powers add up. Thus, we now have;

Distance = 4.9x^(6)

Answer:

q = 6/13, p = 35/13

Step-by-step explanation:

3p + 2q = 9

2p - 3q = 4

_________ (subtract the two equation from each other.)

p + 5q = 5

p = 5 - 5q

2(5 - 5q) - 3q = 4 (substitute value of p into equation)

10 - 10q - 3q = 4

10 - 13q = 4

-13q = -6

q = 6/13

3p + 2(6/13) = 9 (substitute value of q into equation)

3p + 12/13 = 9

3p = 105/13

p = 35/13

Answer:

The calculation that will give us the estimated volume is the area of the base of the pyramid of Giza in square meters multiplied by the height of the pyramid of Giza in meters divided by 3 i.e A * h/3

Step-by-step explanation:

Here in this question, we are interested in giving the calculation that will give us the estimated volume of the Great pyramid of Giza in cubic meters.

Mathematically, from the first part of the question, the formula for this is obtainable.

We are told that the formula for calculating the volume of a pyramid is A times h/3 where A represents the area of the base of the pyramid and h represents the height of the pyramid.

In equation form;

V = A * h/3

From the question, we are told that the area of the base is 53,000 m^2 while the height is 150 m

Now, plugging these values into the equation above, we have

V = 53,000 * 150/3

V = 53,000 * 50 = 2,650,000 m^3

The estimated volume of the Great Pyramid of Giza in cubic meters is 2,650,000.

Given the following data:

To calculate the estimated volume of the Great Pyramid of Giza in cubic meters:

Mathematically, the volume of a pyramid is given by the formula:

[tex]Volume = \frac{1}{3} \times base \;area \times height[/tex]

Substituting the given parameters into the formula, we have;

[tex]Volume = \frac{1}{3} \times 53000 \times 150\\\\Volume = 17,666.667 \times 150\\\\Volume = 2,650,000[/tex]

Volume of the Great Pyramid of Giza = 2,650,000 cubic meters

Read more: https://brainly.com/question/11168779

Answer:

Hey there!

Slope: 7-3/1-(-1), which is equal to 4/2, or 2.

Point slope: y-7=2(x-1)

So choice B is correct.

Let me know if this helps , or if you have any more questions :)

Answer:

(1) Reuse;  (2) Recycle ;  (3) Reduce

Step-by-step explanation:

The ideal sequence would be:

1) Use it again (reuse) if the object still serves its intended purpose/s

2) If not possible to the used again, send it to a recycling plant to extract from it items/parts/substance of utility for other new products

3) if it cannot be reused or recycled, the last option will be to reduce it completely.

Answer:

x=3

Step-by-step explanation:

Answer:

x = 3

Step-by-step explanation:

8 - 5 = 3

(Checking v)

3 + 5 = 8

Answer:

2/3= 0.666666666667

Step-by-step explanation:

Answer:

  10 minutes

Step-by-step explanation:

Answer:

The million dollar cube will be 10.79 cm tall

Step-by-step explanation:

Let the sides of the gold cube representing the tallness of the cube  be s

volume of the gold cube V = s³

Then :

[tex]\mathbf{s = \sqrt[3]{V} }[/tex]  --- (1)

Similarly; we know that , density ρ = mass m/Volume V

making volume the subject of the formula, then ;

V = m/ρ

Replacing that into (1) above , we have:

[tex]\mathbf{s = \sqrt[3]{\dfrac{m}{\rho}} }[/tex]

Given that:

At the time, gold is selling for $1282 per troy ounce

∴ In a million-dollar cube of gold, the number of troy ounce that can be bought with a million dollar = 1000000/1282 = 780.03 troy ounce

Since 1.0000 troy ounce equals 31.1035 g

∴ 780.03 troy ounce = 780.03  × 31.1035 g

= 24261.66 g

From the tables 12.1 of Gold , the density of Gold is obtained as 19.3 g/cm³

∴

[tex]\mathbf{s = \sqrt[3]{\dfrac{m}{\rho}} }[/tex]

[tex]\mathbf{s = \sqrt[3]{\dfrac{24261.66}{19.3}} }[/tex]

[tex]\mathbf{s = \sqrt[3]{1257.080829} }[/tex]

[tex]\mathbf{s = 10.79 \ cm }}[/tex]

The million dollar cube will be 10.79 cm tall

Answer:

-1.5

Step-by-step explanation:

See steps below:

Answer:

[tex]\bold{y=2.5x^2+7x+3.3}[/tex]

Step-by-step explanation:

Given:

Parabola with

x − intercepts (−2.2, 0) and (−0.6, 0)

and

y − intercept (0,3.3)

To find:

Equation of parabola ?

Solution:

We can use factored form to find the equation of the parabola.

[tex]y=a(x-\alpha)(x-\beta)[/tex]

Where [tex]\alpha, \beta[/tex] are the x intercepts.

Let use put

[tex]\alpha = -2.2\\\beta = -0.6[/tex]

[tex]y=a(x-(-2.2))(x-(-0.6))\\\Rightarrow y =a(x+2.2)(x+0.6)[/tex]

Now, let us put y − intercept (0,3.3) in the above equation to find the value of a.

[tex]\Rightarrow 3.3 =a(0+2.2)(0+0.6)\\\Rightarrow 33 =a(22)(0.6)\\\Rightarrow 3 = 2a\times 0.6\\\Rightarrow a = 2.5[/tex]

So, the equation becomes:

[tex]\Rightarrow y =2.5(x+2.2)(x+0.6)\\\Rightarrow \bold{y=2.5x^2+7x+3.3}[/tex]

Answer:

[tex]\sqrt{26}[/tex]

Answer:

C -(-6.53)+4.11-(-7.92)−(−6.53 )+4.11−(−7.92)minus, left parenthesis, minus, 6, point, ...

Answer: Choice B and Choise C.Step-by-step explanation: Equivalent expressions are those expressions that have the same value but they look different.

Answer:

180° angle is supplementry angle

Step-by-step explanation:

180°

Answer:

Option a) ∠RXZ & ∠YXZ

Step-by-step explanation:

If sum of two angles are 180°, then the two angles are called supplementary.

∠RXZ & ∠YXZ forms a straight line and sum of ∠RXZ & ∠YXZ

will be 180. So, they are supplementary

Answer:

New point (x+6, y-4)

Step-by-step explanation:

Given:

Points = (x , y)

Mapping

6 units to the right

4 units down

Find:

New point

Computation:

On line X, numbers are add on move right side

So,

x+6

On line Y, numbers are subtract on move down

So,

y-4

New point (x+6, y-4)