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lesya [120]
3 years ago
10

1) Simplify the expression: 12 - [2 +6+ (10 - 23)] =

Mathematics
2 answers:
mote1985 [20]3 years ago
7 0

Answer:

17

Step-by-step explanation:

use PEMDAS but it’s 17

Elis [28]3 years ago
3 0

Answer:

Simplifying

12 + -1[2 + 6 + (10 + -23)] = 0

Step-by-step explanation:

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nekit [7.7K]
The answer is points A, F, and G!
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3 years ago
I need a equation for my parabola! I tried so many times and got it WroNg- ​
rodikova [14]

Answer:

Step-by-step explanation:

Not QUITE a parabola . but up until y = 4 it is close

Vertex =  (-7-10)

Vertex form of parabola

y = a ( x+7)^2 -10     find a integer-coordinat point to calculate 'a'

                                     I'll use -18,0

0 = a(-18+7)^2 -10

0 = 122 a  -10     a = 10/122

y = 10/122 (x+7)^2 - 10     see graph below:

5 0
2 years ago
The same bedroom furniture set costs $1,500 in both Florida and Alabama. The table gives a breakdown of the taxes someone would
vitfil [10]

Answer:

A: True

B, C and D: False

Step-by-step explanation:

We have a total sales tax for Alabama that is:

T_A=4.225+1.375+3=8.6

The total sales tax for Florida is:

T_F=6.5+1+1.625=9.125

The total sales tax is greater in Florida than in Alabama.

A. The furniture set is cheaper in Alabama, because the amount of sales tax will be lower by about $8. TRUE

The sales tax difference in this purchase can be calculated as:

1500(T_F-T_A)=1500\left(\dfrac{9.125-8.6}{100}\right)=1500\cdot 0.00525=7.875\approx 8

B. The furniture set is cheaper in Florida, because the amount of sales tax will be lower by about $10. FALSE (it is cheaper in Alabama)

C. The furniture set is cheaper in Alabama, because the amount of sales tax will be lower by $10. FALSE (the sale tax in Alabama is $129)

The amount of sales tax in Alabama is:

ST_A=1500\cdot T_A=1500\cdot 0.086=129

D. The furniture set costs the same in either state, because the amount of sales tax will be the same for the two locations. FALSE (it is not the same in both states).

7 0
3 years ago
Erika invested $6,000 in a bond at a yearly rate of 3% for 2.5 years. How much interest did she earn?
hram777 [196]

Answer:

Step-by-step explanation:

4 0
3 years ago
11.1.3 Quiz: Introduction to Trigonometry
weqwewe [10]

Answer:

Vertical change in the elevation is 1.06 miles.

Step-by-step explanation:

Distance between the surveyor C and the point A on a mountain = 5 miles

Angle of elevation of the point A from surveyor = 12°

We have to calculate the vertical height AB of the point A from the surveyor.

tan C = \frac{\text{Opposite side}}{\text{Adjacent side}}

tan 12° = \frac{AB}{BC}

tan 12° = \frac{h}{5}

h = 5tan12°

h = 1.063 miles

h ≈ 1.06 miles

Therefore, vertical change in the elevation is 1.06 miles.

7 0
3 years ago
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