2 years ago

choose three numbers from 2 to 5 write the numbers as addends in addition sentence show two ways to find the sum

Mathematics

1 answer:

slava [35]2 years ago

7 0

3 4 3.5 are ur number

3+ 4+ 3.5=10.5

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Mary is planning to provide online math and french language tutoring sessions. The math session will be 45 minutes long, and the

alisha [4.7K]

Answer:

3/4m + 1/2f ≤ 30
f ≤ 30

Step-by-step explanation:

Math session = 45 min = 3/4 hr
French session = 30 min = 1/2 hr
Number of math sessions = m, total math hours = 3/4m
Number of French sessions = f, total French hours = 1/2f

Total hours constraint:

3/4m + 1/2f ≤ 30

Number of session constraint:

f ≤ 30

So the system is:

3/4m + 1/2f ≤ 30
f ≤ 30

4 0

3 years ago

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pav-90 [236]

I'm not sure, I don't no

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2 years ago

Describes the function y = -2 x + 5?

nevsk [136]

Answer:

I don't know if this is what you meant, but it's a linear equation.

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3 years ago

If there are initially 1800 bacteria in a culture, and the number of bacteria double each hour, the number of bacteria after t h

Nataly_w [17]

Answer: 1.58 hours

Step-by-step explanation:

$5400=1800(2)^t\\\\3=2^t\\\\ln\ 3=ln\ 2^t\\\\ln\ 3=t\cdot ln\ 2\\\\\dfrac{ln\ 3}{ln\ 2}=t\\\\1.58=t$

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3 years ago

Find the measure of the missing angles.

sukhopar [10]

Answer:

B= 133° C= 47°

Step-by-step explanation:

As shows on the right it's 133°

A= 133°

c+a =180° -a

= 180° -133°

=47°

a and c complement each other and

b= a = 133°

a and b are vertical angles

If you like my answer please click the brainiest thank you!

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2 years ago