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2 years ago

I NEED HELP ASAP IF RIGHT WILL GIVE BRAINLYEST

Mathematics

2 answers:

katrin [286]2 years ago

5 0

Answer:

Step-by-step explanation:

Multiplication of 3×2 and 2×3 matrices can be defined

The result matrix is a 3×3 matrix

tensa zangetsu [6.8K]2 years ago

3 0

Answer:

Step-by-step explanation:

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Hatshy [7]

5 x 3 x 7 = 105

Hope I helped you

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2 years ago

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The table shows the cost of hiring a plumber for the first 3 hours of a job.

Helen [10]

Answer: it's A

Step-by-step explanation:

since the cost for hiring a plumber for three hours costs $120 so in graph A the graph has more likely stopped at $120 on the y axis which can be said as the cost axis too. I'm pretty sure the answer is A!

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1 year ago

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Please can I get an explanation, please!!

nekit [7.7K]

Find the inverse of

$y = \left( \dfrac 1 5 \right)^x$

For the inverse we swap x and y and solve for y.

$x = \left( \dfrac 1 5 \right)^y$

Taking logs base 1/5

$\log_{1/5} x = y$

$f^{-1}(x) = \log_{1/5} x$

Answer: Second Choice

Note: There's more simplification to do but we'll stop here.

7 0

2 years ago

D. Lauren and Gina's mother told her daughters they can

goblinko [34]

Answer:

4 minutes left

Step-by-step explanation:

20 - 16 = 4

4 0

2 years ago

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Write an equation for each linear function described. Show your work. The graph of the function passes through the point (2,1),

svp [43]

Step-by-step explanation:

The graph of the function passes through the point (2,1), and

y increases by 4 when x increases by 1.

x y

2 1

3 5

4 9

5 13

6 17

and so on

From the table:

$\mathrm{Slope\:between\:two\:points}:\quad \mathrm{Slope}=\frac{y_2-y_1}{x_2-x_1}$

$\left(x_1,\:y_1\right)=\left(2,\:1\right),\:\left(x_2,\:y_2\right)=\left(3,\:5\right)$

$m=\frac{5-1}{3-2}$

$m=4$

As the slope-intercept form of the line is

$y=mx+b$

putting m=4 and any point, let say (2, 1) to find y-intercept 'b'.

$1=\left(4\right)2+b$

$8+b=1$

$8+b-8=1-8$

$b=-7$

So putting $b=-7$ and $m=4$ in the slope-intercept form of the line

$y=\left(4\right)x+\left(-7\right)$

$y=4x-7$

Therefore, the equation for the linear function will be:

$y=4x-7$

8 0

2 years ago