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Vinil7 [7]
3 years ago
11

Evaluate each function at the given value.f(x)=10x2x at x=4

Mathematics
2 answers:
s344n2d4d5 [400]3 years ago
6 0
Just plug 4 into x

f(x) = 10*2x
f(4) = 10*2(4)

The answer would be 80
never [62]3 years ago
4 0
Well if X=4  10*2*4=80
10*2=20
20*4=80
there for your answer would be 80 hope this helps
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Shawna has $750 in the bank.she deposits $37.50 each week.Ruben has $850 in the bank.He deposits his paycheck of $102.75 every M
erastova [34]

Answer:

Step-by-step explanation:

Answer: it would take 20 weeks before the amount in both accounts would be the same.

Step-by-step explanation:

Let x represent the number of weeks that it will take either Ruben and Shawna to have the same amount of money in their account.

Let y represent the total amount that would be in Shawna's account after x weeks

Let z represent the total amount that would be in Ruben's account after x weeks

Shawna has $750 in the bank. She deposits $37.50 each week. This means that the total amount after x weeks would be

y = 37.5x + 750

Ruben has $850 in the bank. He deposits his paycheck of $102.75 every Monday,and he spends about $70.25 each week.. This means that the total amount after x weeks would be

z = 850 + 102.75x - 70.25x

z = 850 + 32.5x

To determine the number of weeks before the amount in both accounts will becomes the same, we would equate y to z. It becomes

37.5x + 750= 850 + 32.5x

37.5x - 32.5x = 850 - 750

5x = 100

x = 100/5 = 20

8 0
3 years ago
The first question. i need help!
solong [7]

Answer:

I didn't know some answers but I wrote the majority of them below!

Step-by-step explanation:

Symmetry of axis: (4, 0)

Vertex: (4, -3)

Domain: 14? (I'm not positive on this one! so sorry)

Range: 14

Min/Max: (4, -3)

I have no clue on the next one!

x-intercepts: (.5, 0) (7.5, 0)

y-intercept: (0, 1)

Then I don't know the last two... I'm sorry I couldn't help you out fully!

8 0
3 years ago
8.2.AP-7
siniylev [52]

Answer:

c ≈ 40

Step-by-step explanation:

Using the sine ratio in the right triangle

sin40° = \frac{opposite}{hypotenuse} = \frac{BC}{AC} = \frac{26}{c} ( multiply both sides by c )

c × sin40° = 26 ( divide both sides by sin40° )

c = \frac{26}{sin40} ≈ 40 ( to the nearest whole number )

7 0
3 years ago
EASY MULTIPLE CHOICE IM JUST SLOW RN HELP PLS!
Brilliant_brown [7]

Answer:3

Step-by-step explanation:

It 3 HURRY

5 0
3 years ago
Read 2 more answers
On a city map, a library is located at (6, 2) and a school is located at (3, 3). If each unit equals one mile, what is the dista
Marizza181 [45]

Answer:

<em>3.2 miles</em>

Step-by-step explanation:

Given the coordinate  point (6,2) and (3,3)

The distance between the two points is expressed using the formula;

D = √(x2-x1)²+(y2-y1)²

D = √(3-2)²+(3-6)²

D = √1²+(-3)²

D = √1+9

D = √10

D = 3.2

<em>Hence the distance (in a straight line) between the library and the school rounded to the nearest tenth is 3.2 miles</em>

8 0
3 years ago
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