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Dmitry_Shevchenko [17]
3 years ago
8

How to evaluate 7+2(3+2)

Mathematics
2 answers:
Kamila [148]3 years ago
7 0
<span>7+2(3+2)
Multiply the number outside of the parenthesis with the numbers inside the parenthesis
7+6+4
Add
Final Answer: 17</span>
lilavasa [31]3 years ago
5 0
7+2(3+2)
7+2(5)
9(5)=
45
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Choose the explicit and recursive formulas for the geometric sequence 45, 135, 405, 1215, 3645, .... PLEASE HELP ASAP
sesenic [268]

Answer:

Option (B)

Step-by-step explanation:

Given sequence is 45, 135, 405, 1215, 3645..........

Since it's a geometric sequence,

Common ratio of each successive term to the previous term

r = \frac{135}{45}=3

First term of the sequence 'a' = 45

Explicit formula of a geometric sequence will be,

a_n=a(r)^{n-1}

a_n=45(3)^{n-1}

Recursive formula of this sequence will be,

a_n=3(a_{n-1}), a_1=45

Therefore, Option (B) will be the answer.

3 0
3 years ago
Rounded to the nearest hundredth, what is the positive solution to the quadratic equation 0 = 2x2 + 3x – 8?
zmey [24]
2x² + 3x -8 = 0

a = 2 , b = 3 , c = -8
So..
D = b²-4ac = 9 + 64 = 73

for bigger solution , use x = -b + √D / 2a
For smaller solution, use x = -b - √D / 2a

So
= -3 + √73 / 2. 2
= 1/4 (√73 -3)

Hopefully helpfull.. ^_^
8 0
3 years ago
Read 2 more answers
A car traveling on the taconic parkway travels 84 mike in two hours what is the cars speed (a special type of rate) in miles per
avanturin [10]

we know that

the speed's formula is equal to

speed=distance/time

in this problem we have

distance=84\ miles\\time=2\ hours

Substitute the values in the formula

speed=84/2

speed=42\frac{miles}{hour}

therefore

<u>the answer is</u>

42\frac{miles}{hour}

4 0
3 years ago
Which statement best
V125BC [204]

Answer:

C. The function is increasing when x > 0.

Step-by-step explanation:

6 0
3 years ago
Calculate the total hours Nicki worked last week.
belka [17]

Answer:

47 hours

$517

Step-by-step explanation:

M8 T9 W9 T8 F0 S8 S5

From the information above :

Total hours worked last week :

(8 + 9 + 9 + 8 + 0 + 8 + 5) = 47 hours

Rate = $11 / hour

Last week earning :

Total hours worked * rate per hour

47 * $11

= $517

6 0
3 years ago
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