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AleksandrR [38]
3 years ago
9

Help me please thank you very much

Mathematics
1 answer:
Fudgin [204]3 years ago
6 0

Answer:

21

Step-by-step explanation:

When we plug in the values our equation becomes,

3^3+11(2)-4(7)=

All we have to do now is solve it.

27+22-28=

49-28=21

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A shopper is standing on level ground 800 feet from the base of a 250 foot tall department store the shopper looks up and sees a
Aleks04 [339]

Answer:

The elevation to the top of the building from the point on the ground where the shopper is standing is = 17.35°

Step-by-step explanation:

From the ΔABC

AB = height of the building = 250 feet

BC = 800 ft

Angle of elevation = \theta

\tan \theta = \frac{AB}{BC}

\tan \theta = \frac{250}{800}

\tan \theta = 0.3125

\theta = 17.35°

Therefore the elevation to the top of the building from the point on the ground where the shopper is standing is = 17.35°

8 0
3 years ago
An electric utility company determines the monthly bill for a residential customer by adding an energy charge of 7.32 cents per
Sedaia [141]

Answer:

y(x) = 0.0732x + 17.32

Step-by-step explanation:

The equation for the monthly charge has the following format

y(x) = ax + b

In which y(x) is the cost in function of the number of kilowatt-hours used(x), a is the price of each killowatt hour and b is the fixed(base) charge.

Base charge of $17.32 per month.

This means that b = 17.32

charge of 7.32 cents per kilowatt-hour

Our answer is in dollars. Each dollar is 100 cents. So 7.32 cents is a = 0.0732

Write an equation for the monthly charge y in terms of x, the number of kilowatt-hours used.

y(x) = ax + b

y(x) = 0.0732x + 17.32

6 0
3 years ago
Help<br> do odds except 17
Ksju [112]

Answer:

19. 1      do 4^5 which is 1024 then do 1024^0 which is 1

21. 0.000064      do 5^-2 which is 0.04 then do 0.04^3 which is 0.000064

23. 2.33              do 9^4 which is 6561 then do 6561^-2 which is 2.32305731 so you round it to 2.33

btw you should talk to me more

8 0
3 years ago
Create an equation that represents a parabola that opens upward
algol13

For a parabola that opens upward, it must be a quadratic equation whose coefficient of x2 is a positive number.

So, I'll say x2+5x+6.

8 0
3 years ago
A children's pool contains 17,500 milliliters. How many liters are in the pool
LiRa [457]

Answer:

17.5 L

Step-by-step explanation:

There are 17.5 Liters in 17,500 ML.

Hope this helps!

Plz Mark Brainliest!

4 0
3 years ago
Read 2 more answers
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