What is the value of | 7 |?

Mathematics

2 answers:

Andrew [12]2 years ago

5 0

Answer:

7 the brackets just makes any number in there positive

Step-by-step explanation:

9966 [12]2 years ago

3 0

Answer: for pozitive numbers its just the number in this case 7

Step-by-step explanation: if it was | -7 | it wood be 7

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Please help me with this math!

STALIN [3.7K]

1. Alternate exterior angles

So, C

2.
180 = 76 + 2x
104 = 2x
52 = x

So, B

4.

4a. No
4b. Yes
4c. No
4d. Yes

5.
180 = 35 + 35 + 2x
180 = 70 + 2x
110 = 2x
55 = x

So, C.

7.

12/8 = 30/y

Cross multiply

12y = 240
y = 20

So, C

8. Alternate interior angles

So, A

9.

A C and D

6 0

3 years ago

Read 2 more answers

Please help with the questions in the image

iren2701 [21]

Step-by-step explanation:

This seems to be calculus 1.

Question a

We have $-2x^3 + 5x^2 + 9$

m = slope = derivative

Find the derivative / slope of $-2x^3 + 5x^2 + 9$

We do this by differentiating the polynomials. There are a few methods to do this but I am going to use the power rule, which we multiply the constant by the exponent on the variable and subtract one from the exponent.

$\frac{d}{dx}(-2x^3 + 5x^2 + 9)$