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Neporo4naja [7]
3 years ago
12

HELP PLEASE!!!!! HELP

Mathematics
2 answers:
elena-14-01-66 [18.8K]3 years ago
6 0
I gotchu fam. The answer is D

lapo4ka [179]3 years ago
6 0
The scientific notation is the answer in D
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What is the solution of 3/x+8 = -4?<br> 20
Evgen [1.6K]

Answer:

x = -1/4

Step-by-step explanation:

3/x = -4 - 8

3/x = -12

x= -3/12

x= -1/4

5 0
3 years ago
What is 40t^2 - 400t + 500 = 0 factored
Dmitry_Shevchenko [17]
= 40(t^2 - 10t + 12.5)  answer
6 0
3 years ago
A movie theatre sells 3 different sizes of popcorn: small, medium, and large. An order of popcorn comes with 4 different topping
Darina [25.2K]

you can only choose 4 unique ways Step-by-step explanation:

6 0
3 years ago
Sara is a drummer in her school is marching band she wants to make a geometrically similar model of a snare drum for her stuffed
strojnjashka [21]

Answer:

Option B.

Step-by-step explanation:

Let the radius of the snare drum = r

and radius of the model = R

Ratio of the dimensions of the snare drum and the model = 1 : 4

So, \frac{r}{R}=\frac{1}{4}

Now as per question, dimensions of the snare drum is multiplied by a scale factor of \frac{1}{2}

Radius of the snare drum = \frac{r}{2}

Ratio of the radius of the snare drum and cylindrical model ,

\frac{\frac{r}{2}}{R} =\frac{1}{4}

\frac{r}{2R}=\frac{1}{4}

\frac{r}{R}=\frac{1}{2}

Therefore, the cylinder with Sara's dimensions will be geometrically similar but the scale factor will be 1 : 2

Option B is the answer.

6 0
3 years ago
Sam ran 3 1/4 miles on Tuesday and then ran 2 5/6 miles on Wednesday. How many total miles did Sam run ?
julsineya [31]

Answer:

6  1/12 miles total

Step-by-step explanation:

3 1/4 = 13/4

2 5/6 = 17/6        to ADD fractions, you must have a common denominator

                              I will use 12   for these

13/4 = 39/12

17/6 = 34 /12

now you can add and simplify     39/12 + 34/12 = 73/12 = 6 1/12  miles

4 0
2 years ago
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