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Anni [7]
2 years ago
8

What 9+10?................................................

Mathematics
2 answers:
jonny [76]2 years ago
6 0

Answer:

19 my boi to be honest i dont even know why you need help on this one but i got you

posledela2 years ago
4 0

Answer:

21

9= 3*3

10= 5*2

Therefore 5*3 + 3*2

= 15+6 = 21

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8.45x10^-2 in standard form?
grin007 [14]
The 10^-2 means move decimal to the left 2 places
0.845 is 1 place
0.0845 is 2

so the standard is 0.0845
4 0
3 years ago
Read 2 more answers
For one History test, Keith had to answer 40 questions. Of these 40 questions, Keith answered 28 of them correctly. What percent
muminat

Answer:

Keith scored 70% on the History test.

Step-by-step explanation:

We have been given that for History test, Keith had to answer 40 questions. Of these 40 questions, Keith answered 28 of them correctly.

To find the percentage Keith got on History test, we will have to figure out 28 is what percent of 40.

\text{Percentage scored by Keith on History test}=\frac{28}{40}\times 100

\text{Percentage scored by Keith on History test}=0.7\times 100

\text{Percentage scored by Keith on History test}=70

Therefore, Keith scored 70% on the History test.

5 0
3 years ago
(5+4) +10=5+(4+10)<br> A. True<br> B. False
Studentka2010 [4]

Answer:

A. True

Step-by-step explanation:

One of the ways to check this is solving each side of the equation.

(5+4)+10=5+(4+10)

Remember PEMDAS.

Parenthesis first.

(9)+10=5+(14)

Now, you can drop the parenthesis and add the numbers together.

9+10=19

5+14=19

19=19

This is a true statement.

Hope this helps!

If not, I am sorry.

3 0
2 years ago
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How many cups of sorbet are needed to make 8 cups of punch?
lana66690 [7]
The answer is 1.2 cups
8 0
3 years ago
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I’m not sure how to do this
Cerrena [4.2K]
It's b because you have to round up
5 0
3 years ago
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