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Darina [25.2K]
2 years ago
5

What is 87 x (495 - 475) + 1084 - 864

Mathematics
1 answer:
sukhopar [10]2 years ago
8 0

Answer:

1960

Step-by-step explanation:

First, carry out the operation inside the parentheses: 495-475= 20. Next, follow the order of operations and do 87*20= 1740. Then, go from left to right, adding 1740 + 1084= 2824. Now, subtract all of that by 864. 2824-864= 1960.

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A cookie recipe that calls for 2 2/3 cups of sugar will make 32 cookies however you only have 1 2/3 cup of sugar and you have to
GalinKa [24]

Explanation is in the file

tinyurl.com/wpazsebu

6 0
3 years ago
Find the inverse of h(x) = <img src="https://tex.z-dn.net/?f=%5Cfrac%7B2x%2B6%7D%7B5%7D" id="TexFormula1" title="\frac{2x+6}{5}"
Dima020 [189]

Answer:

The inverse of h(x) is \frac{5x-6}{2}

Step-by-step explanation:

* Lets explain how to make the inverse of a function

- To find the inverse of a function we switch x and y and then solve

  for new y

- You can make it with these steps

# write g(x) = y

# switch x and y

# solve for y

# write y as g^{-1}(x)

* Lets solve the problem

∵ h(x)=\frac{2x+6}{5}

# Step 1

∴ y=\frac{2x+6}{5}

# Step 2

∴ x=\frac{2y+6}{5}

# Step 3

∵ x=\frac{2y+6}{5}

- Multiply each side by 5

∴ 5x = 2y + 6

- Subtract 6 from both sides

∴ 5x - 6 = 2y

- Divide both sides by 2

∴ y=\frac{5x-6}{2}

# Step 4

∴ h^{-1}(x)=\frac{5x-6}{2}

3 0
3 years ago
A stuntman jumping off a 20-m-High building is modeled by the equation h=20-5t^2, where t is the same in seconds. A high-speed c
Alchen [17]

Answer: 1\leq t\leq \sqrt{2}


Step-by-step explanation:

1. You know that the high-speed camera is ready to film him between 15 meters and 10 meters above the ground.

2. The problem gives you the following equation:

h=20-5t^{2}

3. Therefore, you must calculate the time when h=15 and when h=10, as following:

h=15\\15=20-5t^{2}\\5t^{2}=5\\t=\sqrt{1}\\t=1  


h=10\\10=20-5t^{2}\\5t^{2}=10\\t=\sqrt{2}

4. Therefore, the answer is:

1\leq t\leq \sqrt{2}

3 0
4 years ago
What the minimum value of the function g(x) = x^2 - 6x - 12?​
vichka [17]

Answer:

(3,-21)

Step-by-step explanation:

5 0
3 years ago
Cindy was asked by her teacher to subtract 3 from a certain number and then divide the result by 9. ​Instead, she subtracted 9 a
butalik [34]
The answer is 11 i think
102-9=93%3=31
102-3=99%9=11
4 0
3 years ago
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