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Rasek [7]
3 years ago
8

??????????????????????????????????​

Mathematics
2 answers:
Sergeeva-Olga [200]3 years ago
8 0

Answer:

see answer below.

Step-by-step explanation:

So m∠1= 40, as given in the question.

We should already know that a straight line, or angle, is equal to 180°

Knowing that it is equal to 180°, to find the angle of ∠3, you can subtract 40 from the 180°

180°-40°= 140°

answer: m∠3= 140°

iogann1982 [59]3 years ago
4 0

Answer:

angle 3 is 140°

Step-by-step explanation:

angle 2 and angle 3 are equal

angle 4 and 1 are also equal

angle 3 =

180-40= 140

angle 3 is 140

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What is the inverse of the function f(x) = 2x + 1?|
padilas [110]

Answer:

1st option

Step-by-step explanation:

let y = f(x) and rearrange making x the subject

y = 2x + 1 ( subtract 1 from both sides )

y - 1 = 2x ( divide both sides by 2 )

\frac{y-1}{2} = x

Change y back into terms of x with x being the inverse h(x)

h(x) = \frac{x-1}{2} = \frac{1}{2} x - \frac{1}{2}

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The population of a colony of bacteria can be modeled by the function P(t) = 19,300(5)^t, where t is the elapsed time
allsm [11]
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4 0
3 years ago
Read 2 more answers
There are 3 3/4 pounds of bricks in a bag. Each brick weighs 5/8 of a pound. How many bricks are in the bag.
Bess [88]

Answer: There are 6 bricks in the bag.

Step-by-step explanation:

Convert from mixed number to decimal number. To do it, divide the numerator of the fraction by the denominator and add the result to the whole number part. Then:

3\frac{3}{4}\ lb=(3+0.75)\ lb=3.75\ lb

Convert from fraction to decimal number. To do it you need to divide the numerator by the denominator. Then, you get:

\frac{5}{8}lb=0.625\ lb

Let be "x" the number of bricks in the bag<em>.</em>

<em> </em>Based on the information given in the exercise, you can set up the following proportion:

\frac{1}{0.625}=\frac{x}{3.75}

Finally, you must solve for "x" in order to find its value. This is:

(3.75)(\frac{1}{0.625})=x\\\\x=6

8 0
3 years ago
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