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3 years ago

Explain how you could write 45 3/8 in scientific notation

1 answer:

5 0

First you must change 3/8 into a decimal, so the number would be 45.375. To find scientific notation you have to move the decimal between a factor of 1-10. 4.5375 . You moved over the decimal once toward the left. so scientific notation would be 4.5375 X 10^1

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Tammy scored 88, 72, 44 points on her first three test. What must she score in her last test to get at least an average of 70?

lara [203]

Answer:

Step-by-step explanation:

(88+72+44+x)/4=70

88+72+44+x=280

204+x=280

x=76

Therefore, Tammy needs to score a 76 on her last test to get at least an average of 70.

5 0

3 years ago

Explain in your own words what happens when a car's tires are changed from the original size to a LARGER size. How is the odomet

Nadusha1986 [10]

Answer:

Step-by-step explanatin

it affects it because your going from smaller tires witch make it easier to make turns go faster things like that when you put bigger tires on the car it is gonna raise the car and have a whole differnt outlook

6 0

3 years ago

Solve for x , if x + 47 = -23 .<br><br> x =

love history [14]

Answer:

-70

Step-by-step explanation:

subtract 47 from both sides to get

x = -23 - 47

6 0

3 years ago

Read 2 more answers

If a and b are odd integers,then a-b is an even integer identify the conclusion

garri49 [273]

Any two odd integers will always add up to an even number. Examples include 1+1=2, 15+19=34, etc.

6 0

3 years ago

There are 100 students at a college who have taken a course in calculus, 110 who have taken a course in discrete mathematics, an

vesna_86 [32]

Answer:

110 students

Step-by-step explanation:

The number of students who have only taken calculus is given by the number of students who have taken calculus minus the students who have taken both classes:

$C =100 -50\\C= 50\ students$

The number of students who have only taken discrete mathematics given by the number of students who have taken discrete mathematics minus the students who have taken both classes:

$D =110 -50\\C= 60\ students$

The number of students that have taken a course in either calculus or discrete mathematics is:

$E = C+D = 50+60\\E= 110\ students$

7 0

3 years ago