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Yanka [14]
2 years ago
13

Question 14 of 14

Mathematics
1 answer:
dimulka [17.4K]2 years ago
6 0
ANSWER: A

I THINK IF U GOT IT WRONG IM SO SORRY IT WOULD BE MY FAULT HAVE A GOOD DAY! EAT AND DRINK WATER
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PLEASE PLEASE HELP ME WITH THIS QUESTION PLEASE <br><br>AND SHOW YOUR STEPS PLEASE help me please
jeyben [28]

Answer:

4a)= 2.1m    4b)= 1.9 m    5)= 29.6º

Step-by-step explanation:

4a):

x is the opp

AB is the hyp

BC is the adj

thus,

sin32 = x/4

cross multiply, x= 4*sin32

x= 2.1196.......

x=2.1 m

4b).

x is the hyp

ac is the opp

bc is the adj

thus,

cos65=4.5/x

cross multiply, x= 4.5*cos65

x=1.9017....

x=1.9 m

5).

AB is the opp

bc is the adj

ac is the hyp

thus:

tanC= 2.1/3.7

C= tan^-1 (2.1/3.7)

C= 29.5778.....

C= 29.6º

5 0
2 years ago
The diameter of a bacteria colony that doubles every hour is represented by the graph below. What is the diameter of the bacteri
SOVA2 [1]

For this case we have a function of the form:

y = A * (b) ^ x

Where,

A: initial population of bacteria

b: growth rate

x: number of hours

Since the diameter is double every hour, then:

b = 2

We must now look for the value of A.

To do this, we evaluate an ordered pair of the graph:

For (1, 2):

2 = A * (2) ^ 1

Clearing A we have:

2 = A * 2

A = \frac{2}{2}\\A = 1

Then, the function is given by:

y = 1 * (2) ^ x

For after 9 hours we have:

y = 1 * (2) ^ 9\\y = 512

Answer:

the diameter of the bacteria after 9 hours is:

y = 512

6 0
2 years ago
Explain how you can use mental math to compare 7 pounds to 120 ounces.
aleksandr82 [10.1K]
16 ounces in a pound.
120/16 = 60/8 = 30/4 = 15/2 = 7.5

7.5 lbs = 120 oz
7.5 lbs > 7 lbs
4 0
3 years ago
Read 2 more answers
The cube has side lengths of 1 unit . What is the volume of the cube
vova2212 [387]

One.

To find the area of a 3D object you multiply length, width, and hight.

So 1 x 1 x 1 = 1

6 0
3 years ago
What does the 1/4 mean
ValentinkaMS [17]
1/4=0.25
You mean that dear~
8 0
3 years ago
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