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olga55 [171]
3 years ago
13

Evaluate 7w - 14 when w =8

Mathematics
2 answers:
aleksandrvk [35]3 years ago
5 0
The answer is 42.

7(8) will be 56
56 minus 14 will be 42
Juliette [100K]3 years ago
5 0

Good morning!

Answer: 42

Step-by-step explanation: Substitute the value of the variable into the equation and then simplify.

Hope this helps you out! ☺

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20 POINTS BRAINLIEST math
8090 [49]

Answer:

OPTION C

Step-by-step explanation:

Given: $ y = \sqrt{36 - 72} + 5 $

This can be rewritten as: $ y = \sqrt{36(x - 2)} + 5 $

Also, since $ \sqrt{ab} = \sqrt{a}.\sqrt{b} $

$ \implies y = \sqrt{36}.\sqrt{x - 2} + 5 $

We know that $ \sqrt{36} = 6 $

$ \implies y = 6\sqrt{x - 2} + 5 $

Hence, Option C would the answer.

6 0
3 years ago
I need a little help with this question. Thanks in advance!
Marianna [84]

the answer would be B.

5 0
3 years ago
Please help me it’s due today and i don’t understand, i’ll give brainliest.
IgorC [24]
AC= √CD^2+AD^2
AC= √AB^2+BC^2
Those two are true
See explanation in photo below
Good luck

7 0
3 years ago
Which equation represents a line that has a slope of 3/4 and passes through the point (2;1)?
omeli [17]

Answer:

B

Step-by-step explanation:

m = 3/4

x1 = 2

y1 = 1

Using the formula,

y - y1 = m(x - x1)

y - 1 = 3/4(x - 2)

y - 1 = 3x/4 - 3/2

y = 3x/4 -3/2 + 1

y = 3x/4 - 1/2 (×4)

4y = 3x - 2

Therefore, the answer is B

8 0
3 years ago
Classify the relationship represented in each scatter plot as linear, quadratic or exponential.
vesna_86 [32]

Answer:

1. quadratic

2. quadratic

3. linear

4. quadratic

Step-by-step explanation:

In the picture attached, the scatter plots are shown.

The differences between these correlations are:

  • linear : makes a  straight line
  • quadratic: makes a ∩ or ∪
  • exponential: rises or falls  quickly in one  direction

In plot 1, 2 and 4, we can see that y-values decrease at first and then they increase. This is a feature of quadratic correlation

In plot 3, we can see that y-values increase uniformly as x-values increase.This is a feature of linear correlation

7 0
3 years ago
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