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kupik [55]
3 years ago
8

Write 13,180,000 in expanded form

Mathematics
2 answers:
azamat3 years ago
7 0
13,180,000 in expanded form is:

13,000,000 + 100,000 + 80,000
ElenaW [278]3 years ago
5 0
10,000,000+3,000,000+100,000+80,000
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On Monday 4 bricklayers took 3 hours to lay a total of 4200 bricks.
lisabon 2012 [21]
<h2>Hello!</h2>

The answer is:

It will take 4.5 hours for two bricklayers to lay a total of 3150 bricks.

<h2>Why?</h2>

From the statement, we know that on Monday, bricklayers took 3 hours to lay a total of 4200 bricks.

So, we have that the rate of the four bricklayers is given by the following equation:

Production=Rate*Time\\\\Rate=\frac{Production}{time}

Rate=\frac{4200bricks}{3hours}=\frac{1400bricks}{hour}

Therefore, we have that the rate of the four bricklayers is 1400 bricks per hour, meaning that each bricklayer can lay 350 bricks per hour.

Now, to calculate how many hours it will take to the 2 bricklayers to lay a total of 3150, we need to divide the calculated rate (for bricklayers) by two, since there are only 2 bricklayers working on Tuesday.

So, calculating the time, we have:

Production=\frac{Rate}{2}*Time

3150bricks=\frac{\frac{1400bricks}{hour}}{2}*Time

3150bricks*2*\frac{1hour}{1400bricks}=Time

6300bricks*\frac{1hour}{1400bricks}=Time

Time=4.5hours

Hence, we have that it will take 4.5 hours for two bricklayers to lay a total of 3150 bricks.

Have a nice day!

7 0
2 years ago
where p is the price (in dollars) and x is the number of units (in thousands). Find the average price p on the interval 40 ≤ x ≤
marusya05 [52]

THIS IS THE COMPLETE QUESTION BELOW

The demand equation for a product is p=90000/400+3x where p is the price (in dollars) and x is the number of units (in thousands). Find the average price p on the interval 40 ≤ x ≤ 50.

Answer

$168.27

Step by step Explanation

Given p=90000/400+3x

With the limits of 40 to 50

Then we need the integral in the form below to find the average price

1/(g-d)∫ⁿₐf(x)dx

Where n= 40 and a= 50, then if we substitute p and the limits then we integrate

1/(50-40)∫⁵⁰₄₀(90000/400+3x)

1/10∫⁵⁰₄₀(90000/400+3x)

If we perform some factorization we have

90000/(10)(3)∫3dx/(400+3x)

3000[ln400+3x]₄₀⁵⁰

Then let substitute the upper and lower limits we have

3000[ln400+3(50)]-ln[400+3(40]

30000[ln550-ln520]

3000[6.3099×6.254]

3000[0.056]

=168.27

the average price p on the interval 40 ≤ x ≤ 50 is

=$168.27

8 0
3 years ago
HELP PLS ASAP I NEED HELP PLS HELP ANSWER THE QEUSTION IN THE PHOTO PLS
Stolb23 [73]
I am guessing it is b! because BG and BA are sides, and BAU and BGN are angles.
5 0
3 years ago
Give all the basic trigonometric functions that satisfy the condition <img src="https://tex.z-dn.net/?f=f%28x%29%20%5Cneq%200" i
prohojiy [21]

Answer:

i need points lol

Step-by-step explanation:

sorryyyyy

5 0
2 years ago
please can someone explain to me how this is done the answer is 85 but how to figure it out I am giving away 10 points the quest
shtirl [24]

Answer:

Step-by-step explanation:

A = \frac{hb}{2}

h = 10 cm , b = 17 cm

A = 10 × 17 ÷ 2 = 85 cm²

3 0
2 years ago
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