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2 years ago

What is the equation of a line passing through the point (a, b) and having a slope of b?

Mathematics

1 answer:

fgiga [73]2 years ago

8 0

The answer is y=bx-b(a-1), because when x=a then y=b.

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calculate the pH of a solution prepared by dissolving 1.75g of acetate, CH3COONa, in 60.5mL of 0.25M acetic acid, CH3COOH(aq). A

pentagon [3]

Answer:

PH= 5.00

Step-by-step explanation:

4 0

2 years ago

Pls help me and thank ya!!

algol13

Answer:

Option 1

Step-by-step explanation:

Rational numbers do not have infinite decimals.

Option 1:

-5, 3/4 and √49 are all rational. Correct

√49 = 7

3/4 = 0.75

-5 = -5

Option 2:

1/4 = 0.25

5 = 5

√12 = 3.4641...

Incorrect

Option 3:

-1/2 = -0.5

-3 = -3

√8 = 2.82841...

Incorrect

Option 4:

1/7 = 0.142857...

9 = 9

√11 = 3.31662...

Incorrect

5 0

2 years ago

Granny Jane's famous cookie recipe calls for 6 cups of chocolate chips and makes 30 cookies. How many cups of chocolate chips wi

LenaWriter [7]

Answer:

Step-by-step explanation:

it is right

8 0

2 years ago

Read 2 more answers

I don't understand the bottom questions. Please help, it's due for tomorrow!

Elena-2011 [213]

I am giving the answers only.

2/5

4/7

5/11

1/5

2/3

3/5

2/15

1/2

3 0

2 years ago

If tan e = 1.3, what is the value of cot (90° - 9)?

ella [17]

Answer:

Step-by-step explanation:

We are given that:

$\tan(\theta)=1.3$

And we want to find:

$\cot(90^\circ -\theta)$

Remember that tangent and cotangent are co-functions. In other words, they follow the cofunction identities:

$\tan(\theta)=\cot(90^\circ-\theta)\text{ and } \cot(90^\circ-\theta)=\tan(\theta)$

Therefore, since tan(θ) = 1.3 and cot(90° - θ) = tan(θ), then cot(90° - θ) must also be 1.3.

Our answer is A.

7 0

2 years ago