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AnnZ [28]
3 years ago
9

15=5k-13 whats the letter

Mathematics
1 answer:
Marina86 [1]3 years ago
7 0

Answer:

k= 5.6

Step-by-step explanation:

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A square is sometimes a rhombus
Veseljchak [2.6K]

Answer:

This would be true.

Step-by-step explanation:

4 0
2 years ago
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Put 3/8, 2/5, and 0.38 from least to greatest
Vesnalui [34]
3/8=0.375
2/5=0.4
0.38=0.38

0.375<0.38<0.4

therefore: 3/8,0.38,2/5

*Remember that you can convert fractions to decimals by dividing the numerator by the denominator! This makes it much easier to compare :)
5 0
2 years ago
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What is the vertex of the graph of the function below? y = x2 - 8x + 12 A. (-2, 0) B. (-4, -4) C. (-4, 0) D. (-2, -4)
mario62 [17]
To find the vertex of the parabola, we need to write it in a vertex form.

y=x² - 8x +12 

1) complete the square

y=x² - 8x +12 
y = x² -2*4x + 4² - 4² +12
y=(x-4)²  -16 +12

2) calculate and write a vertex
y=(x-4)²  -16 +12
 y=(x-4)²  - 4

(x-4)           -----     x- coordinate of the vertex x=4
 y=(x-4)²  - 4    -------y- coordinate of the vertex  y = -   4 
  
Vertex is (4, -4).
Answer is (4, -4).  No correct answer is given in choices. 

7 0
2 years ago
Two cars traveled equal distances in different amounts of time. Car A traveled the distance in 2 h, and Car B traveled the dista
Yuki888 [10]
d=v \cdot t
d - distance
v - speed
t - time

Car A:
v_1 \\&#10;t_1=2 \\&#10;d_1=v \cdot 2=2 v

Car B:
15 mph faster than car A
v_2=v_1+15 \\ t_2=1.5 \\ d_2= (v_1+15) \cdot 1.5=1.5v_1 + 22.5

Both cars traveled equal distances:
d_1=d_2 \\&#10;2v_1 = 1.5v_1+22.5 \\&#10;2v_1-1.5v_1=22.5 \\&#10;0.5v_1=22.5 \\&#10;v_1=45 \\ v_2=45 + 15 =60

Car B traveled at the speed of 60 mph.
6 0
3 years ago
54:56
aivan3 [116]

Answer:

String

2.

4

6

Percussion

5

10

15

Step-by-step explanation:

6 0
3 years ago
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