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lyudmila [28]
4 years ago
5

What is 2+ -3. this is sooo hard I need help!!!!!

Mathematics
1 answer:
arlik [135]4 years ago
8 0

it's very simple

there is a formula where (+) + (-)= -

so 2+-3=-1

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9 - x = 6; x = 15 6x = 24; x = 6 35 = 5x; x = 7 x + 10 = 21; x = 31 <br> which one is right
ycow [4]

Answer:

35 = 5x ; x = 7

Step-by-step explanation:

plug 7 in for x

35 = 5(7)

35 = 35

hope this helps!!!

6 0
3 years ago
Read 2 more answers
Math help, please help thank you ! :)
Alexandra [31]

Answer:

construct a angle that has the same measure to ABC.

Step-by-step explanation:

congruent means the same amount.

6 0
4 years ago
The average weight of a particular box of crackers is 28.0 ounces with a standard deviation of 0.9 ounce. The weights of the box
Juliette [100K]

Answer:

a. 97.72%

Step-by-step explanation:

The weights of boxes follows normal distribution with mean=28 ounce and standard deviation=0.9 ounces.

a. We have to calculated the percentage of the boxes that weighs more than 26.2 ounces.

Let X be the weight of boxes. We have to find P(X>26.2).

The given mean and Standard deviations are μ=28 and σ=0.9.

P(X>26.2)= P((X-μ/σ )> (26.2-28)/0.9)

P(X>26.2)= P(z> (-1.8/0.9))

P(X>26.2)= P(z>-2)

P(X>26.2)= P(0<z<∞)+P(-2<z<0)

P(-2<z<0) is computed by looking 2.00 in table of areas under the unit normal curve.

P(X>26.2)=0.5+0.4772

P(X>26.2)= 0.9772

Thus, the percent of the boxes weigh more than 26.2 ounces is 97.72%

5 0
3 years ago
A set of ordered pairs is shown. The set does not
Allushta [10]
When x repeats it is not a function so (0,1) or (0,8) could be removed
5 0
3 years ago
What is the common difference in the following arithmetic sequence?
Ivan

The answer is D


-12+11=-1

-1+11=10

10+11=21

You add because it is an arithmatic sequence rather than a geometric sequence

7 0
3 years ago
Read 2 more answers
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