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3 years ago

26,143,062 expanded form

Mathematics

2 answers:

IrinaVladis [17]3 years ago

5 0

20,000,000 + 6,000,000 + 100,000 + 40,000 + 3,000 + 60 + 2

Keith_Richards [23]3 years ago

5 0

20,000,000+6,000,000+100,000+40,000+3,000+60+2. Hope this helps.

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HURRY!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

posledela

Answer:

The ballet dancers practice 20 h or more per week. is right

The jazz dancers practice 20 h or more per week. is wrong

The type of dancing does not seem to affect the number of hours of practice for the dancers in the survey. is right

Step-by-step explanation:

i took the test so no step by step :)

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4 years ago

Suppose f is a linear function . If f(8)-(3)=80, then what is f(18)-f(14)

worty [1.4K]

Answer:

Step-by-step explanation:

The common difference is 80 / (8 - 3)

= 16

So f(18) - f(14) = (18 - 14) * 16

= 54

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3 years ago

Read 2 more answers

9 to the power 3 + 3 to the power 2 + 6 to the power 3 + 15 power 2 equals to how much

Llana [10]

Hey! So, here's a tip. When writing exponents, an easier way is to write a^b, rather than a to the b power. Besides that, here is your answer!

So-------

9^3=729

3^2=9

6^3=216

15^2=225

Now that we have that figured out, we can add them together, wish is simple. 729 + 9 + 216 + 225= 1,179.

Therefore, your final answer will be 1,174.

If you have any questions on this, I'm happy to help you. :)

3 0

3 years ago

Read 2 more answers

Giving 100 points.

Nitella [24]

Answer:

1. Cost per customer: 10 + x

Average number of customers: 16 - 2x

$\textsf{2.} \quad -2x^2-4x+160\geq 130$

3. $10, $11, $12 and $13

Step-by-step explanation:

Given information:

$10 = cost of buffet per customer
16 customers choose the buffet per hour
Every $1 increase in the cost of the buffet = loss of 2 customers per hour
$130 = minimum revenue needed per hour

Let x = the number of $1 increases in the cost of the buffet

Part 1

Cost per customer: 10 + x

Average number of customers: 16 - 2x

Part 2

The cost per customer multiplied by the number of customers needs to be at least $130. Therefore, we can use the expressions found in part 1 to write the inequality:

$(10 + x)(16 - 2x)\geq 130$

$\implies 160-20x+16x-2x^2\geq 130$

$\implies -2x^2-4x+160\geq 130$

Part 3

To determine the possible buffet prices that Noah could charge and still maintain the restaurant owner's revenue requirements, solve the inequality:

$\implies -2x^2-4x+160\geq 130$

$\implies -2x^2-4x+30\geq 0$

$\implies -2(x^2+2x-15)\geq 0$

$\implies x^2+2x-15\leq 0$

$\implies (x-3)(x+5)\leq 0$

Find the roots by equating to zero:

$\implies (x-3)(x+5)=0$

$x-3=0 \implies x=3$

$x+5=0 \implies x=-5$

Therefore, the roots are x = 3 and x = -5.

Test the roots by choosing a value between the roots and substituting it into the original inequality:

$\textsf{At }x=2: \quad -2(2)^2-4(2)+160=144$

As 144 ≥ 130, the solution to the inequality is between the roots:

-5 ≤ x ≤ 3

To find the range of possible buffet prices Noah could charge and still maintain a minimum revenue of $130, substitute x = 0 and x = 3 into the expression for "cost per customer.

[Please note that we cannot use the negative values of the possible values of x since the question only tells us information about the change in average customers per hour considering an increase in cost. It does not confirm that if the cost is reduced (less than $10) the number of customers increases per hour.]

Cost per customer:

$x =0 \implies 10 + 0=\$10$

$x=3 \implies 10+3=\$13$

Therefore, the possible buffet prices Noah could charge are:

$10, $11, $12 and $13.

8 0

2 years ago

ANSWER QUICKLY! I GIVE BRAINLIEST!!

julsineya [31]

Answer:

(10,27)

Step-by-step explanation:

Hope this helps!!! :)

8 0

3 years ago