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LekaFEV [45]
2 years ago
12

I need help please!!!

Mathematics
1 answer:
PSYCHO15rus [73]2 years ago
7 0

Answer:

Step-by-step explanation:

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Add. 2.9x10^5+8.7x10^5 express your answer in scientific notation. enter answer in boxes __x10__
NNADVOKAT [17]
Simple....

you have:

2.9* 10^{5} +8.7* 10^{5}--->>>

1.16* 10^{6} or in decimal form... 1,160,000.

Thus, your answer.
8 0
3 years ago
Which system of inequalities has a line as a solution?
zysi [14]

Answer:

a

Step-by-step explanation:

9 0
3 years ago
Need help with this
likoan [24]

Answer:

The answer is h = 2A/(b+c) .

Step-by-step explanation:

You have to move all the unrelated terms to the other side by making h the subject :

A =  \frac{1}{2} (b + c)h

A \div  \frac{1}{2}  =  \frac{1}{2} (b + c)h \div  \frac{1}{2}

2A = (b + c)h

2A \div (b + c) = (b + c)h \div (b + c)

\frac{2A}{b + c}  =h

h =  \frac{2A}{b + c}

4 0
3 years ago
ice cream cost $0.85 per ounce. Which equation best represents y, the total cost of x ounces of ice cream.
Yakvenalex [24]

Answer:

I'm not sure about my answer but I think it is y=0.85x

Step-by-step explanation:

0.85 is the rate and the rate = the cost of ounces of ice cream which is why 0.85 has an x to it

5 0
3 years ago
Which number line represents the solutions to |x – 5| = 1? A number line from negative 7 to 7 in increments of 1. Two points, on
pochemuha

Answer:

Two points, one at 4 and one at 6.

Step-by-step explanation:

<u>Equations with absolute value </u>

The absolute value of a number x denoted as |x| is a number with the same magnitude with a positive sign. When we know the result of an absolute value, we cannot know if the original number is positive or negative.  

If |x| = a, a>=0, then x=a or x=-a

The equation to solve is |x – 5| = 1. If we apply the above criteria, then

x-5=1 or x-5=-1

Which gives us two possible solutions for x

x=6

x=4

The correct answer is  

Two points, one at 4 and one at 6.

8 0
3 years ago
Read 2 more answers
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