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sergejj [24]
3 years ago
15

Identify the self assessment test that each

Mathematics
1 answer:
ladessa [460]3 years ago
5 0

there is not enough info for this

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two factors that make. product are called a pair. describe how using pairs helped you solve the problem
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When 2 digits are next to each other, the place value relationships of both numbers are 10 times greater. ... Two factors that make<span>. </span>product are called a pair<span>. </span>describe how using pairs helped you solve the problem<span> · Answer.</span>
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The length of an office is x feet and the width is x plus 1 feet. write the polynomial that represents the area. find the area o
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for x=12 the area is 156 sq.feet
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Carrie wants to cut out fabric in the shape of a letter "C" to sew onto the back of a shirt. She sketched out her pattern on gra
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3 years ago
The distance between the two points is (2,-3)and (k,9) is 13 units find k<br>​
docker41 [41]

Step-by-step explanation:

\sqrt{(k - 2)^{2}  +  {(9 + 3)}^{2} }  = 13 \\  \\  \therefore \:  \sqrt{k^{2} - 2 \times 2k + 2^{2}  +  {(12)}^{2} }  = 13 \\  \\ \therefore \:  \sqrt{k^{2} - 4k + 4 +  144 }  = 13\\  \\ \therefore \:  \sqrt{k^{2} - 4k + 148 }  = 13 \:  \\  \:  \:  \:  \:  \:  \: squaring \: both \: sides \\  \\ k^{2} - 4k + 148  = 169 \\  \\ \therefore \:  k^{2} - 4k + 148   -  169  = 0\\  \\ \therefore \:  k^{2} - 4k  - 21  = 0\\  \\ \therefore \:  k^{2} - 7k  + 3k - 21  = 0\\  \\ \therefore \:  k(k - 7) + 3(k - 7)  = 0 \\  \\ \therefore \:  (k - 7) (k+ 3)  = 0 \\  \\ \therefore \:  (k - 7) = 0 \: or \:  (k+ 3)  = 0 \\  \\ \therefore \: k = 7 \: or \: k =  - 3 \\  \\  \huge \purple{ \boxed{\therefore \:k =  \{ - 3, \:  \: 7 \}}}

8 0
3 years ago
Select the type of equations. equivalent consistent inconsistent
Molodets [167]

Because the lines intercept at one point, we conclude that the system is consistent.

<h3>Which type of equations we have here?</h3>

We say that a system of equations is consistent if it has solutions (if the graphs of the equations intercept at some points).

It is inconsistent if the graphs never intercept (like in parallel lines).

And it is equivalent of both graphs are the same graph (so the equations intercept at infinite points).

In this particular case, we can see two lines that intercept at a single point. So we have a consistent system of equations.

If you want to learn more about systems of equations:

brainly.com/question/13729904

#SPJ1

5 0
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