2 years ago

Select the correct answer.

Mathematics

1 answer:

garri49 [273]2 years ago

7 0

Answer:

Step-by-step explanation:

C. 28

5 raised to 2nd power is 25 so 25+3=28

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Find the given elements of matrix D<br> Please help!!!

TEA [102]

Answer:

Element wise subtraction.

Step-by-step explanation:

Matrix Subtraction is done element wise.

Therefore, D = $\left[ {\begin{array}{ccc} 3 & 1 & 0 \\ -1 & 2 & 4 \\9 & 7 & -2 \end{array} } \right]$ - $\left[ {\begin{array}{ccc} 5 & 2 & -4\\ 1 & 12 & 3 \\ 11 & 3 & -2 \end{array} } \right]$

This becomes:

$D = \left[ {\begin{array}{ccc} -2 & -1 & 4 \\ -2 & -10 & 1 \\ -2 & 4 & 0 \end{array} } \right]$

Now, $d_{11} = -2$

$d_{12} = -1$

$d_{13} = 4$

$d_{21} = -2$

$d_{22} = -10$

$d_{31} = -2$

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3 years ago

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yoko has 40 holiday stamps and 25 president stamps in her stamp collection. what is the ratio of the number of holiday stamps to

Elis [28]

I may not be able to use the appropriate vocabulary. But, the ratio of holiday stamps to president stamps is of 8:5 we can reach this conclusion because a ratio is just a fraction, if we put 40 over 25 we then put it in simplest form to get 8/5, or a ratio of 8 holiday stamps to every 5 president stamps

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3 years ago

Graph the line with slope -8 and y-intercept 9.

salantis [7]

Answer:

the coordinates will be (0,9) (-8,0) and the equation will be y=(9/8x)+9

Step-by-step explanation:

Im not 100% sure but if im right please mark me as brainliest

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3 years ago

Help resolve this please

Leokris [45]

Answer:

this is late but 1176?

Step-by-step explanation:

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3 years ago

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A copy machine makes 44 copies per minute. How long does it take to make 209 copies

kipiarov [429]

Answer:

5 minutes.

44 x 5 = 220,

since 44 x 4 = 176 < 209

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2 years ago