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gayaneshka [121]
3 years ago
15

Expressions Review

Mathematics
1 answer:
fgiga [73]3 years ago
6 0
For #1 I think it’s A. For #2 I think it’s D. Ross sold 34 boxes.
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Help screenshot included also i put the answer as one on accident that's not the real answer
lianna [129]

the scale factor will be greater than 5 if the dilation enlargement

C.5

7 0
3 years ago
29/1000 as a percent
Sholpan [36]
2.9%

because you have to divide 29/1000 then move the decimal place

- Hope that helps
7 0
3 years ago
Read 2 more answers
For which equation does it make the most sense to solve by using the zero product property?
mafiozo [28]
The 1st equation can be factored into
(x + 5)(x + 6) = 0
you can apply the zero product rule now.
3 0
3 years ago
Read 2 more answers
Solve the problem.
RideAnS [48]

Answer:  -185  (choice D)

=========================================================

Explanation:

  • x = first integer
  • x+1 = second integer

Note how x+1 follows immediately after x. That's what "consecutive" means by definition. An example of consecutive integers would be 7,8,9,10.

Adding those two said integers will lead to -371

first+second = -371

x+(x+1) = -371

2x+1 = -371

2x = -371-1

2x = -372

x = -372/2

x = -186

x+1 = -186+1 = -185

Note how -186+(-185) = -371 to confirm the answer.

The two consecutive integers that add to -371 are -186, -185. The larger of the two is -185 since it's more to the right on the number line.

6 0
2 years ago
Read 2 more answers
Help! Please do a,b,c and d with explanation
pentagon [3]

Answer:

  a.  235°

  b. 146.03 km

  c. 105 km

  d. 193 km

Step-by-step explanation:

a. The bearing of E from A is given as 55°. The bearing in the opposite direction, from E to A, is this angle with 180° added:

  bearing of A from E = 55° +180° = 235°

__

b. The internal angle at E is the difference between the external angle at C and the internal angle at A:

  ∠E = 134° -55° = 79°

The law of sines tells you ...

  CE/sin(∠A) = CA/sin(∠E)

  CE = CA(sin(∠A)/sin(∠E)) = (175 km)·sin(55°)/sin(79°) ≈ 146.03 km

  CE ≈ 146 km

__

c. The internal angle at C is the supplement of the external angle, so is ...

  ∠C = 180° -134° = 46°

The distance PE is opposite that angle, and CE is the hypotenuse of the right triangle CPE. The sine trig relation is helpful here:

  Sin = Opposite/Hypotenuse

  sin(46°) = PE/CE

  PE = CE·sin(46°) = 146.03 km·sin(46°) ≈ 105.05 km

  PE ≈ 105 km

__

d. DE can be found from the law of cosines:

  DE² = DC² +CE² -2·DC·CE·cos(134°)

  DE² = 60² +146.03² -2(60)(146.03)cos(134°) ≈ 37099.43

  DE = √37099.43 ≈ 192.6 . . . km

  DE is about 193 km

7 0
2 years ago
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