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Rufina [12.5K]
3 years ago
5

1. (3x3 + 3x2 - 4x + 5) + (x2 – 2x + x 4) |

Mathematics
2 answers:
Slav-nsk [51]3 years ago
8 0

Answer:

20-4x

Step-by-step explanation:

3x3+3x2-4x+5

9+3x2-4x+5

9+6-4x+5

20 - 4x

KonstantinChe [14]3 years ago
6 0

Answer:

x^{2} + 3x^{3} + 4x^{2} - 6x + 5

Step-by-step explanation:

first remove the parentheses

then add the like terms

lastly reorder the terms

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Determine whether the following is a statistical question.
-BARSIC- [3]

Answer:

Yes, the given question is a statistical question.

Step-by-step explanation:

Given: statement is "What is the typical height of dog kennels at Keita's Kennels?"

To check: whether the given statement is a statistical question

Solution:

A statistical question is one for which you will generally get more than one answer.

For example "What's the age of the students in your school?" is a statistical question but "What's your age?" is not a statistical question.

The given statement "What is the typical height of dog kennels at Keita's Kennels?" has a single answer only, so the given question is statistical

7 0
3 years ago
If k = -5 find the value of -7k? Please explain step by step or show work on piece of paper to get marked.
Mnenie [13.5K]

Answer:

35

Step-by-step explanation:

Given k=-5

Substitute into the equation given

-7(-5) = 35

8 0
2 years ago
Please help me! Thank you. :)
amm1812

Answer:

13.75/ hour

Step-by-step explanation:

$192.50/14 hours= $13.75/hour

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$453.75/33 hours= $13.75/hour

5 0
3 years ago
Read 2 more answers
Please help me with this problem​
Marina CMI [18]

Answer:

A) sin 70 = x/10

Step-by-step explanation:

From the angle 70 degrees, 10 is the hypotenuse and x is the opposite and if we go by SOH-CAH-TOA I have an O and a H so its sin.

so we know it's sin so we need to figure out the equation. since we have a hypotenuse as a factor it is on top. and the other number is on the bottom.

so,

A) sin 70 = x/10

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3 years ago
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