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seraphim [82]
3 years ago
8

Can somebody help me please ​

Mathematics
1 answer:
Elan Coil [88]3 years ago
6 0

Answer:

I'm using Desmos on line graphing tool.  

Step-by-step explanation:

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Question 10(Multiple Choice Worth 1 points) (06.01 LC) Choose the polynomial that is written in standard form.
Svetach [21]

Answer:

  −3x^8 + 9x^2 + 10x

Step-by-step explanation:

A polynomial is in standard form when the exponents of the variable decrease left to right. The only given expression in that form is ...

  −3x^8 + 9x^2 + 10x

7 0
3 years ago
HELP ASAP ITS SO HARD! Kelsey did the following division problem. Her teacher says that the quotient she found is wrong. −2 5/6
SpyIntel [72]

Part A

Her steps were

-2 \frac{5}{6} \div 1 \frac{1}{3}\\\\-\frac{17}{6} \div \frac{4}{3}\\\\-\frac{6}{17} \times \frac{3}{4}\\\\-\frac{6\times 3}{17\times4}\\\\-\frac{18}{68}\\\\-\frac{9}{34}\\\\

Kelsey made a mistake on line 3. Note how the 17/6 flips to 6/17. This is not correct. You keep the first fraction the same, but you do flip the second fraction. This only applies when you divide two fractions.

The third step should look like -\frac{17}{6}\times \frac{3}{4}

=======================================================

Part B

Here's what she should have written

-2 \frac{5}{6} \div 1 \frac{1}{3}\\\\-\frac{17}{6} \div \frac{4}{3}\\\\-\frac{17}{6} \times \frac{3}{4}\\\\-\frac{17\times 3}{6\times 4}\\\\-\frac{51}{24}\\\\-\frac{17}{8}\\\\

If you want to convert that improper fraction to a mixed number, then you could do something like this

-\frac{17}{8} = -\frac{16+1}{8}\\\\-\frac{17}{8} = -\frac{16}{8}-\frac{1}{8}\\\\-\frac{17}{8} = -2 \frac{1}{8}\\\\

Or you could divide 17 over 8 using long division to get 2 remainder 1. The 2 is the quotient that goes to the left of the 1/8. The remainder of 1 is the numerator of 1/8.

4 0
3 years ago
Read 2 more answers
2. In the figure, is an exterior angle to . complete sentences
Cerrena [4.2K]

Answer:

a)180-57-20=103

b)180-103=77

Step-by-step explanation

6 0
2 years ago
Use the equation d=z–9 to find the value of d when z=10.<br><br> d=
denis23 [38]

Step-by-step explanation:

d = z - 9

d = 10 - 9  ----> substitute

d = 1

5 0
3 years ago
An athlete plans to run 3 miles. each lap around the school yard is 3/7 mile. how many laps will the athlete run?
Maksim231197 [3]
He will need to run 7 laps.
8 0
3 years ago
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