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Lyrx [107]
3 years ago
13

4. Solve the following equation: 9x - 6 +7x = 16x - 6

Mathematics
1 answer:
Mashutka [201]3 years ago
7 0

Answer: the answer is 0=0

Step-by-step explanation:

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What is the value of 8(2.3+x) when x=7
AleksandrR [38]
Just substitute the value of x = 7
= 8(2.3 x)
= 8(2.3 * 7)
= 8(16.1)
= 128.8

In short, Your Final Answer would be 128.8 

Hope it help
3 0
3 years ago
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State whether triangle abc and triangle aed are congruent. Justify your answer.
gulaghasi [49]

ABC and AED are congruent by SSS. SSS is if three sides of a triangle are congruent to 3 sides of another triangle, then the triangles are congruent. AB and AE are both 7, BC is congruent to ED and CA is congruent to DA because of the tick marks.

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3 years ago
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Alexander placed four straws on his table.
Diano4ka-milaya [45]

Answer:D (straws 2 and 4)

Step-by-step explanation:

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6 0
3 years ago
The polynomial of degree 3, P(x), has a root of. multiplicity 2 at x=1 and a roof of multiplicity 1 at x= -3. the y- intercept i
Stella [2.4K]

P(x) has degree 3, so it takes the general form

P(x)=ax^3+bx^2+cx+d

It has a root x=1 of multiplicity 2, which means (x-1)^2 divides P(x) exactly, and it has a root of x=-3 of multiplicity 1 so that x+3 also is a factor. So

P(x)=a(x-1)^2(x+3)

Expanding this gives

P(x)=a(x^3+x^2-5x+3)=ax^3+ax^2-5ax+3a

\implies\begin{cases}a=b\\-5a=c\\3a=d\end{cases}

The y-intercept occurs for x=0, for which we have

P(0)=d=2.1

Then

3a=d\implies a=0.7

a=b\implies b=0.7

-5a=c\implies c=-0.14

So we have

\boxed{P(x)=0.7x^3+0.7x^2-0.14x+2.1}

6 0
3 years ago
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Is 40 a multiple or a factor
gladu [14]
Hey there!
It can be both. It's a multiple of 8 because 8 times 5 is 40, but it's also a factor of 120 because 80 times 3 is 120.
Hope this helps!
5 0
3 years ago
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