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Alex
3 years ago
8

Which equation is true for all x- and y- values in the table below?​

Mathematics
2 answers:
Liula [17]3 years ago
6 0

Put in 1 for x and which problem gives you 7

the answer is y=7x

ratelena [41]3 years ago
6 0

Answer:  The correct option is (D) y=7x.

Step-by-step explanation:  We are given to select the correct equation that is true for all x and y in the following table :

x      1       2        3       4  

y     7      14       21     28

From the above table of values of x and y, we note the following :

(1,7)~~~~\Rightarrow 7=7\times 1,\\\\(2,14)~~~\Rightarrow 14=7\times2,\\\\(3,21)~~~~\Rightarrow 21=7\times3,\\\\(4,28)~~~~\Rightarrow 28=7\times4.

Therefore, we can conclude the following equation :

y=7\times x\\\\\Rightarrow y=7x.

Thus, the correct option is (D).

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What is 35.7 divided by 0.07 ?
adelina 88 [10]

Answer:

35.7 / 0.07 = 510

486.12 / 0.6 = 810.2

explanation-

I don't know how to explain but it's right!

7 0
3 years ago
A large nest of recently hatched bald eagles is located at the top of the Eiffel Tower (which is 324 meters tall) and is attract
Mariulka [41]

9514 1404 393

Answer:

  80.5°

Step-by-step explanation:

The applicable trig function is the tangent.

  Tan = Opposite/Adjacent

In this scenario, the side opposite the angle is the tower height, 324 m. The side adjacent is the distance to the tower, 54 m. Then the angle α is related by ...

  tan(α) = 324/54

The value of the angle with this tangent is found using the arctangent function:

  α = arctan(324/54) ≈ 80.5°

She should set her binoculars to 80.5°.

6 0
3 years ago
Which shows how to best estimate the product of 4.73 x 8.92?
Anettt [7]

Answer:

5 x 9 = 45

Step-by-step explanation:

A good way to estimate this would be rounding to the nearest whole number.

First we'll look at 4.73. If we're rounding to the nearest whole number, then that means we'll look at the digit one place to the right of 4. The digit to the right of 4 is 7. 7 is greater than 5 so we round up. We get 5. If we do the same for the other number we see that it also gets rounded up to 9. So our new equation is: 5 x 9. That is a simple multiplication equation and when we multiply we get 45.

Hope this helped!

6 0
4 years ago
Read 2 more answers
For what values of b will F(x) = logbx be a decreasing function?
Anastasy [175]

Answer:

It is a decreasing function for 0 < b < 1.

Step-by-step explanation:

Logarithm function:

The logarithm function is given by:

F(x) = \log_{b}{(x)}

The base b determines if the function increases or decreases.

For 0 < b < 1, the function decreases.

For b > 1, the function increases.

In this question:

By the definition above, it is a decreasing function for 0 < b < 1.

3 0
3 years ago
Which number is the greatest integer and the smallest integer out of these numbers? 34, -78, -.999, 321, -88.788, 100
alexandr402 [8]

Answer:

greatest: 321, smallest, -88.788

4 0
3 years ago
Read 2 more answers
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