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4 years ago

Which of the following is a numerical expression?

2 answers:

8 0

C probably because a numerical expression uses numbers and does not have any equal signs at the end and it seems like the best answer

Zinaida [17]4 years ago

7 0

6x4 would be a numerical expression since a numerical expression uses numbers to recieve a certain mathmatical product. In this case the product would be 24.

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Find -3A+6B A=[-3 5 -6] [9 -5 3] B=[-2 6 7] [2 -1 -6]

-Dominant- [34]

$A=\left[\begin{array}{ccc}-3&5&-6\\9&-5&3\end{array}\right];\ B=\left[\begin{array}{ccc}-2&6&7\\2&-1&-6\end{array}\right]\\\\-3A=\left[\begin{array}{ccc}(-3)(3)&(5)(3)&(-6)(3)\\(9)(3)&(-5)(3)&(3)(3)\end{array}\right]=\left[\begin{array}{ccc}-9&15&-18\\27&-15&9\end{array}\right] \\\\6B=\left[\begin{array}{ccc}(-2)(6)&(6)(6)&(7)(6)\\(2)(6)&(-1)(6)&(-6)(6)\end{array}\right]=\left[\begin{array}{ccc}-12&36&42\\12&-6&-36\end{array}\right]$

$-3A+6B=\left[\begin{array}{ccc}-9+(-12)&15+36&-18+42\\27+12&-15+(-6)&9+(-36)\end{array}\right]\\\\-3A+6B=\left[\begin{array}{ccc}-21&51&24\\39&-21&-27\end{array}\right]$

4 0

3 years ago

How many 1/4. Is in 2

san4es73 [151]

4 1/4 is in 2, idk i looked it up lol

5 0

3 years ago

Read 2 more answers

What is the answer to the series of equations

Aleonysh [2.5K]

Answer:

$71\frac{2}{3}$

Step-by-step explanation:

1st equation:

3 cups = 3x

3x = 75

x = 25, cup = 25

2d equation

25 + lemon* lemons= 25 + y²

25 + y² = 89

y²= 89 - 25

y²= 64

y = 8, lemon = 8

3d equation

3 circles = 3c

3c = 44

c = 44/3 = 14 2/3

4th equation

25 + 32 + 14 2/3 = 71 2/3

8 0

3 years ago

Read 2 more answers

Is the following variable categorical or quantitative? Collect data from a sample of teenagers with a question that asks ‘‘Do yo

Gnom [1K]

Answer:

The following variable is categorical.

Step-by-step explanation:

Consider the provided information.

Categorical variables: It take the values of categories or labels and position an entity in one of more classes.

Quantitative variables: It take numerical values and represent a calculation of some kind.

Now consider the given scenario.

Teenagers with a question that asks ‘‘Do you eat at least five servings a day of fruits and vegetables?"

Here we have two categories i.e fruits and vegetables.

Therefore, the following variable is categorical.

5 0

3 years ago

For a fundraiser, a KIPP New Jersey is selling raffle tickets for $2 each

Finger [1]

Yes! If the raffle tickets are $2 and Amari supposedly purchased 8, that would make the total money for raffle tickets $16. Then if you take the 4 snacks for $1.50 each that would be $6.
16+6=22

7 0

3 years ago