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satela [25.4K]
3 years ago
12

Just a test: What is a matrix?

Mathematics
1 answer:
Nuetrik [128]3 years ago
3 0
1.<span> an environment or material in which something develops; a surrounding medium or structure.</span>
2. <span>a mold in which something, such as printing type or a phonograph record, is cast or shaped.</span>

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Suppose a student reaches in the bag and randomly selects nine red chips and eleven yellow chips. Based on this sample, what is
nataly862011 [7]

Answer:

There are more boys than girls. The red chips are girls are the boy are the yellow chips.  If more yellow chips were pulled out then there are more boys. 11 + 9 = 2. 10 + 9 = 19 + 1 = 20. The fraction of how many boys there are would be 11/21 and the fraction for girls would be 9/21.  Also 11 x 9 = 99. There would be 99 people if you times the number of girls and boys. But it's best to add because it would be in the smaller form if you were to times it.

7 0
2 years ago
Stephanie is taking out a loan in the amount of $15,000. Her choices for the loan are a 4-year loan at
nevsk [136]

Answer:

$1950

Step-by-step explanation:

Simple interest amount payable is given by

A=P(1+rt) where p is principal amount, A is final amount paid, t is time and r is rate of interest. For the first case

A=15000(1+0.03*4)=$16800

For second case

A=15000(1+0.05*5)=$18750

Difference will be 18750-16800=$1950

4 0
2 years ago
Consider the diagram shown where a ladder is leaning against the side of a building. the base of the ladder is 12ft from the bui
OLga [1]
If the length of the ladder is x then 12/x=cos70, so x=12/cos70=35’ approx, answer c.
7 0
2 years ago
Read 2 more answers
What is the value of f?<br><br> −18f−34−14f=11
Brrunno [24]
-18f - 34 - 14f = 11
-32f - 34 = 11
-32f = 45
f = -32/45
Simplify the fraction if needed!
Hope this helps, and please mark brainliest!

6 0
3 years ago
HELP PLZ PICK ONE OF THE ONES SHOWN:
defon

I am doing with Question Number 2

Let the two numbers be 'x' and 'y'.

According to the question, the product of two numbers is 14.

x \times y=14

So, xy=14 (Equation 1)

Now, one of the numbers is 3 ½ times the other.

So, x = 3\frac{1}{2}\times y

x=\frac{7}{2}y (Equation 2)

Substituting the value of 'x' from equation 2 in equation 1, we get

\frac{7}{2}y \times y = 14

\frac{7}{2}y^{2} = 14

y^{2} = 4

So, y= 2 and -2

So, x=\frac{14}{2} and x=\frac{14}{-2}

x=7 and -7

Numbers are 2,7 and -2,-7.

Sum of numbers 2 and 7 = 9

Sum of numbers -2 and -7 = -9.


6 0
3 years ago
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