math wizard! help me out

Answer:

3,490,000

Step-by-step explanation:

3,487,967 = (87967) The 7 rounds up so the 8 would become 9.

Answer:

3.35kg

Step-by-step explanation:

Answer:

Multiply (5,000,000 x 6.7 x 10^-7) = (5 x 10^6) x (6.7 x 10^-7) = (5 x 6.7) x (10^(6 + - 7)) = 33.5 x 10^-1 = 3.35 kg

Step-by-step explanation:

They will save $100 if they purchase together rather than separately.

If this week, the store is offering one free window for each purchase of 4, then the price of 5 windows will be just equal to the price of 4.

1 window = $100

5 windows = 4 x $100 = $400

If

Dave needs 7 windows  

Doug needs 8 windows

total they need together = 7+8 = 15 windows.

Buying at the offer of $400/5 windows,

they should buy 3 sets of 5 windows.

3 x 5 = 15

cost when bought together : 3 x $400

cost when bought together : $1200

If they bought separately,

Dave : 7 = 5 + 2

cost = $400 + 2($100)

cost = $600

Doug : 8 = 5 + 3

cost = $400 + 3($100)

cost = $700

cost when bought separately : $600 + $700

cost when bought separately : $1300

compare the two total costs and to determine how much they will save.

$1300 - $1200 = $100

They will save $100 if they purchase together rather than separately.

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Answer: 4

Step-by-step explanation:

Answer:

- 3x < 2

x < - 1

Explanation and Check part below

Explanation and Check part belowHope this helps :)

Step-by-step explanation:

1. To solve, first isolate the variable by doing the inverse operation which is in this case dividing by - 3 on both sides of the equation.

- 3x < 2

- 3 -3

x < - 1

2. Graph it if needed with an open dot because - 1 is not part of the set of solutions.

<--------○

<----l----l-----l----->

-2 -1 0

Check:

1. Substitute x with any number less than - 1 and solve.

- 3 (- 2) < 2

-6 < 2

True statement.

The value of the height of the right prism is given by the formula, h = (SA - 2B) / P. It is gained by using the surface area of the right prism.

What is the right prism?

A right prism is a three-dimensional closed figure with 6 faces, 8 corners and 12 edges. It is called a right prism because, in this prism, the angle between the base and the sides is 90 degrees. All the faces of a right prism are rectangular, hence sometimes also called a right rectangular prism.

Calculation of h for the right prism

We know the  surface area of the right prism is given by:

SA = Ph + 2B

Ph + 2B = SA

Subtracting 2B from both sides of the above equation, we have,

Ph + 2B - 2B = SA - 2B

Ph = SA - 2B

Dividing both sides of an equation by P, we get,

(Ph) / P = (SA - 2B) / P

h = (SA - 2B) / P

Hence, the value of h can be found using the formula, h = (SA - 2B) / P

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The shipment contained 12 tablets and 36 laptops.

An equation is used to show the relationship between numbers and variables. An equation can be linear, quadratic depending on the degree.

Let x represent the number of tablets and y represent the laptop.

Each tablet cost $375 and each laptop cost $850, hence:

375x + 850y = 35100  (1)

Also:

y = 3x   (2)

From both equations:

x = 12, y = 36

The shipment contained 12 tablets and 36 laptops.

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Solution:

[tex]3(2x+3)[/tex]

Hope this helps!

Answer:

Step-by-step explanation:

Answer:

no of batches of street made is 2345

srry i don't know

Step-by-step explanation:

The coordinates of the point B are (-5, 6)

The given parameters are

A = (-8, 6)

Point = (2, 6)

Proportion = 2/3

Because the y coordinates are the same, we can make use of only the x coordinate

So, we have

Point = Proportion * (B - A)

This gives

2 = 2/3 * (B + 8)

Multiply through by 3/2

So, we have

3 = B + 8

Subtract 8 from both sides

B = -5

Hence, the coordinates of the point B are (-5, 6)

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============================================================

Explanation:

12 = 3*4

15 = 3*5

The GCF of 12 and 15 is 3

LCM of x and y = (x*y)/(GCF of x and y)

LCM of 12 and 15 = (12*15)/(GCF of 12 and 15)

LCM of 12 and 15 = (12*15)/(3)

LCM of 12 and 15 = 60

-------------------

We can confirm this by listing out the multiples of each

multiples of 12 are: 12, 24, 36, 48, 60, 72, ...

multiples of 15 are: 15, 30, 45, 60, 75, ...

-------------------

Since the LCM is 60, this means their schedules line up every 60 minutes, aka 1 hour.

If they arrive together at 9 AM, then their next arrival time together is 10 AM which is the final answer.

Evaluating Expressions-

z−5+ x= -7

x = 1, and z = -3

z−5+ x=-3 + (-5) + 1

          = -3-5+1=-7

to assess an algebraic expression way to find the price of the expression while the variable is changed by using a given range.

to evaluating expression, we replacement the given range for the variable within the expression and then simplify the expression the use of the order of operations

What does “Evaluating Expressions” suggest?

Simplification of expressions can be performed with the help of operations’ order. It consists of changing the variable to discover the expression’s fee. The given number is substituted to evaluate expressions. After this, one needs to simplify it primarily based at the order of the operations

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The time for the projectile to hit the ground from the given position is 1.5 s, which is obtained using the concept of time period and velocity of a projectile.

What is a projectile?

A projectile is defined as an object that has the force of gravity as the only force occurring on it. Acceleration in the projectile motion always acts vertically.

Calculation of the time taken by projectile to hit the ground

The given parameters:

The starting velocity of the projectile, u = 48 ft / s

Height of the projectile, h = 190 ft

Model of the projectile path, h(t) = - 16(t)2 + 48t + 190          —-- 1

When the projectile hits the ground, the final velocity, v = 0

differentiating equation 1 w.r.t t, we get,

(dh(t)) / (dt) = - 32t + 48

Putting dh(t) / dt = 0, we have,

- 32t + 48 = 0

32t = 48

t = 48 / 32

t = 1.5 s

Hence, the time taken by the projectile to hit the ground is 1.5 s.

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The sum of 17 and 3 times x is given by the algebraic expression "17+3x" .

A mathematical construct called an algebraic expression is made up of integer constants, variables, and algebraic operations (addition, subtraction, multiplication, division, and exponentiation by a rational exponent).

Let us take an expression 4x³+6xy+9 is an algebraic expression. Where

x,y are variables 4 and 6 are co-efficients and 9 is the constant .

In the above statement it is given that the sum of 17 and times x. Here x is a variable.

3 times x equates to 3x and when 17 is added we get the expression 17+3x.

Hence the required algebraic expression is 17+3x

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Answer:

thanks, I needed That

Step-by-step explanation:

brainliest

Answer: 2x2x2 or 2 cubed

Step-by-step explanation: 2x2=4 2x4=8

a. Length of AB = 7 units

Length of CDS = 3 units

Line segment AB and line segment CD are not congruent.

b. Length of AB = 7 units

Length of CD = 7 units

Line segment AB and line segment CD are congruent.

c. Length of AB = 9 units

Length of CD = 7 units

Line segment AB and line segment CD are not congruent.

Given two points on a coordinate plane, where the two points are on a horizontal or vertical line, the distance between the two points is the absolute difference between their coordinates.

a. Given:

A(10, -4)

B(3, -4)

C(-1, 2)

D(-1, 5)

Length of AB = |10 - 3| = |7|

Length of AB = 7 units

Length of CD = |5 - 2| = |3|

Length of CDS = 3 units

Line segment AB and line segment CD are not congruent.

b. Given:

A(-5, 6)

B(-5, -1)

C(-4, 3)

D(3, 3)

Length of AB = |6 - (-1)| = |7|

Length of AB = 7 units

Length of CD = |-4 - 3| = |-7|

Length of CD = 7 units

Line segment AB and line segment CD are congruent.

c. Given:

A(8, 3)

B(-1, 3)

C(5, 10)

D(5, 3)

Length of AB = |8 - (-1)| = |9|

Length of AB = 9 units

Length of CD = |10 - 3| = |7|

Length of CD = 7 units

Line segment AB and line segment CD are not congruent.

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Answer:

0.35

Step-by-step explanation:

3/6=1/2

7/10=0.7

1/2=0.5,0.5×0.7

=0.35

Answer: 7/20

Step-by-step explanation:

3/6*7/10= 0.35

First write down the decimal number divided by 1 like this:

0.35

1

As we have 2 digits after the decimal point in the numerator, we need to multiply both the numerator and denominator by 102 = 100, so that there is no decimal point in the numerator

0.35 × 100

1 × 100

=

35

100

Since the greatest common factor of 35 and 100 is 5, we can simplify the fraction and show the same amount

35 ÷ 5

100 ÷ 5

=

7

20

Therefore, 0.35 as a fraction is 7/20

Answer: Liam is 17

Step-by-step explanation: 17-14= 3. 17 + 14 = 31

The width of the rectangle is: 33m, by Pythagoras theorem.

Now,

given:

TO find: Width of rectangle = ? (say, w)

Finding:

BY Pythagoras theorem, in the rectangle ABCD,

For l = AB, w = BC and d = AC,

=> l² + w² = d²

Ob substituting the values, we get: 56² + w² = 65²

=> w² = 65² - 56²

=> w² = 4225 - 3136

=> w² = 1089

=> w = 33m

Hence, for the given values of rectangle, the width of the rectangle is 33m by Pythagoras Theorem.

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Answer:

The second answer is the correct one I believe

Answer:

second one

Step-by-step explanation:

The highest percentage of teenagers in the sample listed soccer as their favorite sport. this option is correct .

What does a statistical pie chart mean?

In this question pie chart is showing data of games .

So. by observing the chart we can say that ,

the highest percentage of teenagers in the sample listed soccer as their favorite sport.

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The triangle with vertices located at X(-11 , 0), Y(-11 , -8), and Z(-1 , -4) has its centroid located at (-23/3 , -4).

The centroid of a triangle is the point inside the triangle where the three medians intersect. The median of a triangle is the line the connects the midpoint of a side and the opposite vertex.

To get the centroid of a triangle, use the formula given by:

C(x , y) = [(x1 + x2 + x3)/3 , (y1 + y2 + y3)/3]

where C is the centroid of the triangle located at (x , y)

x1, x2, and x3 are the x-coordinate of the vertices of the triangle

y1, y2, and y3 are the y-coordinate of the vertices of the triangle

Let Point 1(x1 , y1) = X(-11 , 0)

Point 2(x2 , y2) = Y(-11 , -8)

Point 3(x3 , y3) = Z(-1 , -4)

Plug in the values in the formula.

C(x , y) = [(x1 + x2 + x3)/3 , (y1 + y2 + y3)/3]

C(x ,y) = [(-11 + -11 + -1)/3 , (0 + -8 + -4)/3]

C(x ,y) = (-23/3 , -12/3)

C(x ,y) = (-23/3 , -4)

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Yes, the resulting value of the expression is 3 which is greater than 2.

Expression:

Expression is defined as a  combination of terms that are combined by using mathematical operations such as subtraction, addition, multiplication, and division.

An expression contains the following:

Constant: A constant is a fixed numerical value.

Variable: A variable is a symbol that doesn't have a fixed value.

Term: A term can be a single constant, a single variable, or a combination of a variable and a constant combined with multiplication or division.

Coefficient: A coefficient is a number that is multiplied by a variable in an expression.

Given,

Expression = -3 + (+4) + 2

Here we need to check the resulting value of the expression is greater than 2 or not.

For that, first we have to simplify the given expression,

Then,

=> -3 + ( 4 + 2)

=> -3 + 6

=> 3

Now, we have know that 3 is greater than 2.

So, the expression is greater than 2.

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The change in temperature is 33°F.

According to the question we have been given that there are two temperature readings which are, -18°F and 15°F.

We need to find the change in temperature that is we need to find the difference. And for that we will use distance formula.

The formula to find the distance between the two numbers p and q is

                                    = |p-q|

Here , p = -18°F  and q = 15°F

Putting the required values in the above formula we get

                     = |-18 - 15| °F

                     = |-33| °F

                     = 33°F

Hence the change in temperature is 33°F.

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