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horrorfan [7]
3 years ago
7

Multiply. (−0.64)(−2.5) Enter your answer as a decimal in the box.

Mathematics
2 answers:
prohojiy [21]3 years ago
6 0

Answer:

1.6

Step-by-step explanation:

Hope this helps! :-)

Alina [70]3 years ago
3 0
The answer is 1.6 happy to help
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Which expression is equivalent to 45+27
daser333 [38]

Answer:

B)

Step-by-step explanation:

6 0
3 years ago
11111111111111111111111
Nat2105 [25]

Answer:

1) Zero based on (-16·t - 2) is t = -1/8 second

2) Zero based on (t - 1) is t = 1 second

Step-by-step explanation:

The given functions representing the height of the beach ball the child throws as a function of time are;

y = (-16·t - 2)·(t - 1) and y = -16·t² + 14·t + 2

We note that (-16·t - 2)·(t - 1) = -16·t² + 14·t + 2

Therefore, the function representing the height of the beachball, 'y', is y = (-16·t - 2)·(t - 1) = -16·t² + 14·t + 2

The zeros of a function are the values of the variables, 'x', of the function that makes the value of the function, f(x), equal to zero

In the function of the question, we have;

y = (-16·t - 2)·(t - 1) = -16·t² + 14·t + 2

The above equation can be written as follows;

y = (-16·t - 2) × (t - 1)

Therefore, 'y' equals zero when either (-16·t - 2) = 0 or (t - 1) = 0

1) The zero based on (-16·t - 2) = 0, is given as follows;

(-16·t - 2) = 0

∴ t = 2/(-16) = -1/8

t = -1/8 second

The zero based on (-16·t - 2) is t = -1/8 second

2) The zero based on (t - 1) = 0, is given as follows;

(t - 1) = 0

∴ t = 1 second

The zero based on (t - 1) is t = 1 second

4 0
3 years ago
Edna earns $6 for each hour of yard work. How many hours in all will it take Edna to earn<br> $42?
madreJ [45]

Answer:

42 divided by 6=7 so 7 hrs

Step-by-step explanation:

its probalay wrong im not smart lol

5 0
3 years ago
Read 2 more answers
Factorise<br><br>4(a+b) - 6(a+b)²​
lawyer [7]

Good morning ☕️

Answer:

2(a+b)(2 - 3a - 3b)

Step-by-step explanation:

4(a+b) - 6(a+b)²​  

here we need to find the common factor between 4(a+b) and 6(a+b)²​

4(a+b) = 2×[2(a+b)]

6(a+b)²​ = 2×3×(a+b)×(a+b) = 3(a+b)×[2(a+b)]

then

4(a+b) - 6(a+b)²​  = 2×[2(a+b)] − 3(a+b)×[2(a+b)]

                          = [2(a+b)]×[2 - 3(a+b)]

                         = 2(a+b)×(2 − 3a − 3b)

___________________________________

:)

8 0
3 years ago
Solve log x= 4.<br><br> Please help I don’t know how to do this
Helga [31]

Answer:

10,000

Step-by-step explanation:

The base for a normal log is 10. You raise the base by the answer, which is 4. 10^{4} is 10,000.

3 0
3 years ago
Read 2 more answers
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