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IRISSAK [1]
4 years ago
11

David read 40 pages of a book in 50 minutes how many pages should be able to read in 80 minutes

Mathematics
1 answer:
Stells [14]4 years ago
4 0
64 pages he should be able to read
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PLEASE HELP ME!!! Thank you SO MUCH! Explain your answer
soldi70 [24.7K]

Answer:

y = -.5x -.5

Step-by-step explanation:

All you do is plug in the x and y in the point to the equation, y = mx + b. Since the coordinate is (5, -3), this in the equation would look like -3 = -.5(5) +b. (all you need to find is the y-intercept, or b.) Solve it out to get -3 = -2.5 + b. Add 2.5 to each side of the equation, you're left with b = -.5. Now, put that back into the original equation, and get y = -.5x -.5. I think this is right, you can go back through and check once more if you'd like.

8 0
3 years ago
The domain of both
Margarita [4]

Answer:

The domain of function h(x) is set of all real numbers.

Domain: (-∞,∞)

Step-by-step explanation:

Given:

f(x)=x-6

g(x)=x+6

the domain of both the above functions is all real number.

To find domain of :

h(x)=f(x)g(x)

Substituting functions f(x) and g(x) to find h(x)

h(x)=(x-6)(x+6)

The product can be written as difference of squares. [a^2-b^2=(a+b)(a-b)]

∴ h(x)=x^2-36

The degree of the function h(x) is 2 as the exponent of leading term x^2 is 2. Thus its a quadratic equation.

For any quadratic equation the domain is set of all real numbers.  

So Domain of h(x) is (-∞,∞)

7 0
3 years ago
When we rewrite a fraction as a decimal, are we changing the value of the fraction? hi so my teacher is asking this question on
AnnyKZ [126]

Answer:

No, you are not changing the value.

Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
I need help with 15,19,17<br><br> Negative exponents
Hoochie [10]
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3 years ago
Which fraction has a terminating decimal as its decimal expansion ?
Alekssandra [29.7K]

Answer:

b

Step-by-step explanation:

1/5 is equal to 20% =.2 it stops there

8 0
2 years ago
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