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Eddi Din [679]
2 years ago
10

Helpppp meeee! pleaseeee!​

Mathematics
2 answers:
Verdich [7]2 years ago
7 0

Answer:

2×2+5=9

2×3+5=11

2×6+5=17

2×10+5=25

garik1379 [7]2 years ago
5 0

Answer:

9

11

17

25

Step-by-step explanation:

Input the x into the equation

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Kim’s lunch cost is 12.74 she included a tip of 15%
ANEK [815]

Answer:

The total cost of her lunch is $14.65

Step-by-step explanation:

15% of $12.74 is $1.91

12.74+1.91=14.65

4 0
3 years ago
The perimeter of the scalene triangle is 54.6 cm.
olchik [2.2K]

Answer:

b = 45.9 - c

Step-by-step explanation:

A scalene triangle has non of its sides equal.

Perimeter = 54.6

side a = 8.7 cm

side b = unknown

side c = unknown

Perimeter of a shape is sum of all its sides.

Perimeter = a + b + c

54.6 = 8.7 + b + c

Making b the subject

b = 54.6 - 8.7 - c

b = 45.9 - c

The value of b is (45.9 - c)

7 0
3 years ago
Log3(7x) Use the Laws of Logarithms to expand the expression.
Bingel [31]
Log3(7) + log3(x)
Terms that are multiplied inside one log become added when you separate them where each term gets its own log.
7 0
3 years ago
Plz help quickly no time only I need the answer
user100 [1]

Answer:

the second one  

Step-by-step explanation:

4 0
2 years ago
Given the equation 4x2 − 8x + 20 = 0, what are the values of h and k when the equation is written in vertex form a(x − h)2 + k =
GenaCL600 [577]

Answer:

The correct option is:

h = 1, k = 16

Step-by-step explanation:

y=4x^2-8x+20 =0

It is a quadratic formula in standard form:

ax^2+bx+c

where a = 4 , b = -8 and c=20

The vertex form is:

a(x − h)2 + k = 0

h is the axis of symmetry and (h,k) is the vertex.

Calculate h according to the following formula:

h = -b/2a

h= -(-8)/2(4)

h = 8/8

h = 1

Substitute k for y and insert the value of h for x in the standard form:

ax^2+bx+c

k = 4(1)^2+(-8)(1)+20

k = 4-8+20

k=-4+20

k = 16

Thus the correct option is h=1, k=16....

8 0
3 years ago
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