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mote1985 [20]
2 years ago
10

Select all the expressions equvilants to 1.5 x 4 + 3 x 2 - 7

Mathematics
1 answer:
Step2247 [10]2 years ago
7 0
The answer is C. 6+3 x (-5)
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Find a equation for the slope 3/2 and Y intercept -1
Mashcka [7]

Answer:

\large\boxed{y=\dfrac{3}{2}x-1}

Step-by-step explanation:

The slope-intercept form of an equation of a line:

y=mx+b

<em>m</em><em> - slope</em>

<em>b</em> - <em>y-intercept</em>

We have

m=\dfrac{3}{2},\ b=-1

Substitute:

y=\dfrac{3}{2}x+(-1)=\dfrac{3}{2}x-1

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3 years ago
Given ∠8≅∠12 .
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Your answer would be B
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3 years ago
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Find the slope of the line passing through the given points.<br> (-3,7) (-1,4)
Amiraneli [1.4K]

Answer:

I think that5 it is the secend one

Step-by-step explanation:

3 0
3 years ago
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Which relationship describes angles 1 and 2?
Harman [31]
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5 0
3 years ago
Prove that if r is any rational number, then 3r2 − 2r + 4 is rational. The following properties may be used in your proof. Prope
ziro4ka [17]

Given:

Expression is

3r^2-2r+4

To prove:

If r is any rational number, then 3r^2-2r+4 is rational.

Step-by-step explanation:

Property 1: Every integer is a rational number. It is Theorem 4.3.1.

Property 2: The sum of any two rational numbers is rational. It is Theorem 4.3.2.

Property 3: The product of any two rational numbers is rational. It is Exercise 15 in Section 4.3.  

Let r be any rational number.

We have,

3r^2-2r+4

It can be written as

3(r\times r)-2r+4

Now,

3, -2 and 4 are rational numbers by property 1.

r^2=r\times r is rational by Property 3.

3r^2\text{ and }-2r are rational by Property 3.

3r^2+(-2r)+4 is rational by property 2.

So, 3r^2-2r+4 is rational.

Hence proved.

6 0
3 years ago
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