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3 years ago

Hello whats is 1000*1000

Mathematics

2 answers:

gtnhenbr [62]3 years ago

7 0

Answer: 1000000

Step

step

prohojiy [21]3 years ago

6 0

Answer:

1000000

Step-by-step explanation:

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If f(x)=3x^2+15, what is the value of f(4).

nignag [31]

f(4) = 3×4^2+15

4^2=16

3×16

48+15

f(4)=63

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3 years ago

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8-2b=-2/3(12b+6) solve

Natalija [7]

We have to mutiply factor -2/3 times every agument from the parenthesis.
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8+6b=-4 /-8
6b=-12 /:6
b=-2 - its the answer

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3 years ago

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DEF has vertices P(-3,8) Q(-6, -4) R (1,1). if you reflect pqr across the x axis what will be the coordinates of the vertices

Rama09 [41]

P'(-3,-8) Q'(-6,4) R'(1,-1)

This should be correct! Hope I helped!

4 0

3 years ago

Find a ·<br> b. |a| = 80, |b| = 50, the angle between a and b is 3π/4.

mart [117]

Answer:

$a\cdot b=-2000\sqrt{2}$

Step-by-step explanation:

Given information: |a| = 80, |b| = 50, the angle between a and b is 3π/4.

We need to find the dot product a · b.

The formula of dot product is

$a\cdot b=|a||b|\cos \theta$

where, θ is the angle between a and b.

Substitute the given values in the above formula.

$a\cdot b=(80)(50)\cos (\frac{3\pi}{4})$

$a\cdot b=4000\cos (\pi-\frac{\pi}{4})$

$a\cdot b=-4000\cos (\frac{\pi}{4})$ $[\because \cos (\pi-\theta)=-\cos \theta]$

$a\cdot b=-4000\frac{1}{\sqrt{2}}$

$a\cdot b=-\frac{4000}{\sqrt{2}}$

Rationalize the above equation.

$a\cdot b=-\frac{4000}{\sqrt{2}}\times \frac{\sqrt{2}}{\sqrt{2}}$

$a\cdot b=-\frac{4000\sqrt{2}}{2}$

$a\cdot b=-2000\sqrt{2}$

Therefore, the value of a · b is $a\cdot b=-2000\sqrt{2}$ .

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3 years ago

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Help ASAP pleaseeeeeeeeeeee

morpeh [17]

Answer:

Step-by-step explanation:

30x2=60

60x.35=21

Mark me brainliest i really need it

8 0

3 years ago