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dolphi86 [110]
3 years ago
15

Shirley got 72% on a Chemistry exam. The test was marked out of 150.

Mathematics
2 answers:
tensa zangetsu [6.8K]3 years ago
5 0

Answer:

Nhjj

Step-by-step explanation:

tankabanditka [31]3 years ago
4 0

Step-by-step explanation:

the answer is

a)108

b)120

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Bill is traveling south and drives 45 miles per hour.
pogonyaev

Answer:

3 hours.

Step-by-step explanation:

Let's say that they both start at a point A. If Bill travels south 45 miles in hour and Landin drives 30 miles north in one hour, after one hour, Bill is going to be 45 miles lower than point A and Landin will be 30 miles above point A, so they will be 45 + 30 = 75 miles apart. After two hours, they will be another 75 miles apart, so they will be a total of 75 + 75 = 150 miles apart. After 3 hours, they will be another 75 miles apart, so they will be a total of 150 + 75 = 225 miles apart.

3 0
3 years ago
The sum of -7.68 and it’s additive inverse is??
Readme [11.4K]
The answer is 0. the additive inverse of a negative number is the same number but positive. to find the sum means to add them together. for example take 2 and -2. 2 is the additive inverse of -2. if you add 2+-2 the answer comes out to 0
4 0
3 years ago
Oh need to know alot and a lot
o-na [289]

Answer:

yeah so it is 74882828 it is pretty easy

5 0
2 years ago
I did the first one I need help on this that’s all
Alenkasestr [34]

Answer:

m<A = 70 deg

Step-by-step explanation:

The sum of the measures of the angles of a triangle is 180 deg. Add the three measures and set equal to 180. Solve for x. then use the value of x and the expression for m<A to find the measure of angle A.

m<A + m<B + m<C = 180

5x - 25 + 2x + 10 + 3x + 5 = 180

10x - 10 = 180

10x = 190

x = 19

m<A = 5x - 25 = 5(19) - 25 = 95 - 25 = 70

Answer: m<A = 70 deg

6 0
3 years ago
Read 2 more answers
If you thought the last one was easy do this &gt;:)
avanturin [10]
I have no idea what the answer is to this question
7 0
3 years ago
Read 2 more answers
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