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NISA [10]
3 years ago
9

Help. I need to factor and solve using the quadratic formula -x^2+2x=7​

Mathematics
1 answer:
aleksandrvk [35]3 years ago
7 0

Answer:

Irreducible factorization

Step-by-step explanation:

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The temperature went from -12°F to 18°F. How much did the temperature change
vlada-n [284]

Answer:

18 - (-12)

Step-by-step explanation:

Final temp. - Initial temp. = the change in temperature

By -12, we're indicating that is below zero (which is obvious) meaning that it is not in the "normal" scale nor in the imaginary scale of numbers. So, we can operate the following...

18 - (-12) = 30

So the temperature changed by 30 values or the temperature increased by 30 values, because the number is positive.

6 0
2 years ago
The diagonals of a rhombus are 21 m and 32 m. What is the area of the rhombus?<br> 30 POINTS
Wittaler [7]
I have included attachment below

so since a rhombus is 2 pairs of paralell sides, we can cut it into 4 triangles
we can see that we can take the bottom 2 triangles and put them on top to get a rectangle that is width 21 and height 32/2 (16=height
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answer is 336 m^2

5 0
2 years ago
Solve for x -6x+14&lt;-28 AND 3x+28&lt;=25
scoray [572]

Answer:

-6x+14<-28

x = x > 7

3x+28<=25

x = x less than or equal to -1

Step-by-step explanation:

7 0
2 years ago
Read 2 more answers
Anyone know how to do this??
nevsk [136]

Answer:

x=5ft

Step-by-step explanation:

3 is half of 6, so triangle DEF is half as big as triangle ABC. Hope this helps.

5 0
2 years ago
PLEASE help me solve this problem
irakobra [83]

Answer:

that looks hard?

Step-by-step explanation:

8 0
3 years ago
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