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ivanzaharov [21]
3 years ago
13

7.EE.1.1

Mathematics
2 answers:
romanna [79]3 years ago
6 0

Answer:

-0.55n - 0.05

Step-by-step explanation:

(0.25n - 0.3) – (0.8n - 0.25)

When subtracting the signs change

0.25n - 0.3 - 0.8n + 0.25

Regroup like terms

0.25n - 0.8n - 0.3 + .25

Combine like terms

-0.55n - 0.05

victus00 [196]3 years ago
4 0

Answer:

-0.55n - 0.05

Step-by-step explanation:

You can start by distributing:

(0.25n - 0.3) - (0.8n - 0.25)

0.25n - 0.3 - 0.8n + 0.25

Then, you can combine like terms(0.25n & -0.8n; -0.3 & 0.25)

-0.55n - 0.05

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8 feet, 2 inches plus 3 feet, 3 inches equals 3 yards, 3 feet, 5 inches. true or false??
xxTIMURxx [149]

Answer:false

Step-by-step explanation:

It would have to be equally to 3yards 2feet and 5 inches

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3 years ago
The princess examines one plant and can’t seem to locate its roots. The plant is labeled as p(x)=x^2+x+3 Which values should the
AleksAgata [21]
Let's actually find the roots, using the quadratic formula:

<span>p(x)=x^2+x+3 gives us a=1, b=1 and c=3.

                 -1 plus or minus sqrt(1^2-4(1)(3))
Then x = -----------------------------------------------          
                                           2

The discriminant here is negative, so the roots x will be complex:

              -1 plus or minus sqrt(-11)      -1 plus or minus i*sqrt(11)
       x = ---------------------------------- = -------------------------------------
                          2                                                 2

These are irrational roots; they cannot be expressed as the ratios of integers.</span>
8 0
3 years ago
Pls help if you actually can
Setler79 [48]

The triangles that are similar would be ΔGCB and ΔPEB  due to Angle, Angle, Angle similarity theorem.

<h3>How to identify similar triangles?</h3>

From the image attached, we see that we are given the Parallelogram GRPC. Thus;

A.  The triangles that are similar would be ΔGCB and ΔPEB  due to Angle, Angle, Angle similarity theorem.

B. The proof of the fact that ΔGCB and ΔPEB are similar pairs of triangles is as follow;

∠CGB ≅ ∠PEB  (Alternate Interior Angles)

∠BPE ≅ ∠BCG  (Alternate Interior Angles)

∠GBC ≅ ∠EBP  (Vertical Angles)

C.  To find the distance from B to E and from P to E, we will first find PE and then BE by proportion;

225/325 = PE/375  

PE = 260 ft

BE/425 = 225/325  

BE = 294 ft

Read more about Similar Triangles at; brainly.com/question/14285697

#SPJ1

5 0
2 years ago
How would you describe the relationship between miles driven per week and car age, as shown in the scatterplot below? Choose eve
QveST [7]

Answer:

Negative and nonlinear

Step-by-step explanation:

hope this helped

5 0
2 years ago
PLS HELP ASAP IS FOR A TEST I REALLY NEED YALL HELP Ill mark Brainliest to correct answer
Helga [31]

Answer:50x-4Step-by-step explanation:

1x^7+1x^5+8x^4+2x^3-4

7x+5x+32x+6x-4

50x-4

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