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Grace [21]
2 years ago
15

Which of the following is a composite number? A: 47 B: 91 C: 101 D: 131

Mathematics
2 answers:
KATRIN_1 [288]2 years ago
5 0

Answer:

91

Step-by-step explanation:

AnnyKZ [126]2 years ago
5 0

91 is what I think makes the most sense

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2. Simplify the following expression.<br> – 2(3x – 5) – 12x - 2
aniked [119]

Answer:

-18x+8

Step-by-step explanation:

First you have to distribute the -2 to the 3x and the -5 in the parenthesis giving you -6x+10-12x-2.

Next you combine like terms which gives you -18x+8

3 0
3 years ago
Triangle X Y Z is shown. The length of X Y is 9, the length of Y Z is 19, and the length of X Z is y. Angle X Y Z is 41 degrees.
nalin [4]

Answer:

y² = 9² + 19² - 2(9)(19)Cos (41°)

Step-by-step explanation:

Triangle X Y Z is shown.

The length of X Y is 9,

the length of Y Z is 19, and the length of X Z is y. Angle X Y Z is 41 degrees.

Law of cosines is given as:a²= b² + c² – 2bccos(A)

Applying this to Triangle XYZ, and since we are Solving for y

y² = x² + z² - 2xzCos Y

The length of X Y = x is 9,

the length of Y Z = y is 19

y²= 9² + 19² - 2(9 × 19)Cos (41°)

= y² = 9² + 19² - 2(9)(19)Cos (41°)

Option d is correct

6 0
2 years ago
Read 2 more answers
Our product is equal to 6+2 what factors are we?
Burka [1]
4 and 2 since 6+2 is 8 and 8 has two factors which are 4 and 2.
6 0
3 years ago
Determine the slope of each line (-6,5), (-4,-3)
Tamiku [17]
The slope for those points, as ONE (1) line is: y=-9/2<span>x.</span>
3 0
2 years ago
Each day 1/2 of the money that is in bank value is removed. No money is added to the value. Which of the following represent the
Alchen [17]

Answer:

Option C. exponential decay function

Step-by-step explanation:

In this problem we have a exponential function of the form

y=a(b^x)

where

y ---> is the money that is in the bank

x ----> number of days

a ---> is the initial value or y-intercept

b is the base of the exponential function

r ---> is the rate of change

b=(1+r)

In this problem we have that

Each day 1/2 of the money that is in bank value is removed

so

r=-50\%=-50/100=-0.50 ---> is negative because is a decreasing function

The value of b is equal to

b=1-r=1-0.50=0.50

y=a(0.50^x)

The value of b is less than 1

b<1

That means -----> Is a exponential  decay function

3 0
2 years ago
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