3 years ago

-5(1+7n)>-38-2n Solve

Mathematics

1 answer:

Dvinal [7]3 years ago

7 0

This is what I got for it if it helps

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Help me please :''(

ki77a [65]

1/4 2/5 83/100 100/100

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3 years ago

How do you subtract negative numbers using counters

Alla [95]

Answer:

by adding counters to the total

3 0

3 years ago

What is 19/25 as decimal

Aliun [14]

0.76 is the answer
hope this helped

3 0

3 years ago

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Calculate a vector c in the same direction of the vector a and that has the same length as the vector b

Viktor [21]

For any scalar $t>0$ , $t\vec a$ is a vector pointing in the same direction as $a$ .

To force this vector to have the same length as another vector $\vec b$ , first normalize $t\vec a$ by dividing it by its norm,

$\dfrac{t\vec a}{\|t\vec a\|}=\dfrac{t\vec a}{t\|\vec a\|}=\dfrac{\vec a}{\|\vec a\|}$

then multiply this vector by the norm of $\vec b$ , so that

$\vec c=\dfrac{\|\vec b\|}{\|\vec a\|}\vec a$

To confirm that $\vec c$ has the same length as $\vec b$ :

$\|\vec c\|=\left\|\dfrac{\|\vec b\|}{\|\vec a\|}\vec a\right\|=\dfrac{\|\vec b\|}{\|\vec a\|}\|\vec a\|=\|\vec b\|$

8 0

3 years ago

A right rectangular pyramid is sliced parallel to the base, as shown.

ELEN [110]

The answer would be the first choice. $15 cm^{2}$

Explanation: The reason for this is that the question was pretty much just asking what the area of the resulting two-dimensional cross section would be -the shape in gray- (which can be found by using the formula $lw$ . To add on, since the dimensions of the shape are already given (5 and 3) all you've to do is multiply: 3*5=15

That's how you get to the answer.

7 0

3 years ago

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