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2 years ago

Use the slope formula to find the missing coordinate m=3/5, P(3,2), Q(8,___)

Mathematics

1 answer:

Neko [114]2 years ago

3 0

Slope = Y = MX + B
M = 3/5
Answer: Q(8,5)
Please give me brainliest<3

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Let u = (1, 2 -2), v= (2, 1, 3) and w = j + 4k. a) Find cos theta, where theta is the angle in degrees between u and w.

vodka [1.7K]

Answer: The value of cos theta is -0.352.

Step-by-step explanation:

Since we have given that

$\vec{u}=1\hat{i}+2\hat{j}-2\hat{k}\and\\\\\vec{w}=\hat{j}+4\hat{k}$

We need to find the cos theta between u and w.

As we know the formula for angle between two vectors.

$\cos\ \theta=\dfrac{\vec{u}.\vec{w}}{\mid u\mid \mid w\mid}$

So, it becomes,

$\cos \theta=\dfrac{2-8}{\sqrt{1^2+2^2+(-2)^2}\sqrt{1^2+4^2}}\\\\\cos \theta=\dfrac{-6}{\sqrt{17}\sqrt{17}}=\dfrac{-6}{17}=-0.352\\\\\theta=\cos^{-1}(\dfrac{-6}{17})=110.66^\circ$

Hence, the value of cos theta is -0.352.

8 0

2 years ago

The quotient rule for exponents states that bm bn=_______, b≠0 . When dividing exponential expressions with the same nonzero b

wariber [46]

Answer:

The quotient rule for exponents states that $b^{m}\div b^{n}=b^{m-n}$ .

When dividing exponential expressions with the same nonzero base, <u>subtract</u> the exponents.

Step-by-step explanation:

Some rules to solve exponents are:

$x^{0}=1$
$(x^{m})^{n}=x^{mn}$
$x^{-n}=\frac{1}{x^{n}}$
$x^{m}\cdot x^{n}=x^{m+n}$
$\frac{x^{m}}{x^{n}}=x^{m-n}$

The quotient rule for exponents states that:

$b^{m}\div b^{n}=b^{m-n}$ .

When dividing exponential expressions with the same nonzero base, <u>subtract</u> the exponents.

3 0

2 years ago

What percent of 1/2 is 2/5

eimsori [14]

1/2= 50%
2/5=40% is the answer

4 0

2 years ago

Last week norachi ran 40 miles less than trevon. Norachi ran 9 miles. How many miles did trevon run?

stira [4]

Answer:

trevon ran 49 miles

Step-by-step explanation:

9+40=49

7 0

2 years ago

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Divide write each answer sipmlest form 8/10 divided by 1 whole 5/6

Murljashka [212]

5/6 = 11/6 8/10 x 6/11 48/110 = 24/55 is the answer you can flip the 2nd rational and the sign can be changed to multiplication.

3 0

3 years ago

Read 2 more answers