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Anna35 [415]
3 years ago
13

Write an expression to match the words there times the sum of 8 and 4.

Mathematics
1 answer:
just olya [345]3 years ago
4 0

3x(8+4)


Hope it helps

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19.4mm what the lower bound correct to 1dp
padilas [110]

Answer:

The lower bound of 19.4 is 19.35

6 0
2 years ago
Write an equation of the translated function of the parent function f(x)=|x| with the following transformations:
MrRa [10]

Answer:

Option b

Step-by-step explanation:

To write the searched equation we must modify the function f (x) = | x | in the following way:

1. Do y = f(x + 4)

This operation horizontally shifts the function f(x) = | x | by a factor of 4 units to the left on the x axis.

y = | x +4 |

2. Do y = f (\frac{1}{4}x)

This operation horizontally expands the function f (x) = | x | in a factor of 4 units. y = |\frac{1}{4}x + 1|

3. Do y = f(x)-4

This operation vertically shifts the function f (x) = | x | by a factor of 4 units down on the y-axis.

y = |\frac{1}{4}x +1| -4

4. After these transformations the function f(x) = | x | it looks like:

f(x) = |\frac{1}{4}x +1| -4

Therefore the correct option is option b. You can verify that your vertex is at point (-4, -4) by making f (-4)

f(-4) = |\frac{1}{4}(-4) +1| -4 = -4

8 0
3 years ago
Yoko has scored 81 , 84 , 84 , 69 , and 76 on her previous five tests. What score does she need on her next test so that her ave
kkurt [141]
Took must make a 92 on the next test.
(81+84+84+69+76+x)/6=81
(394+x)/6=81
Multiply by 6 on both sides
394 + x = 486
Subtract 394 from both sides.
x= 92
7 0
3 years ago
Worth a lot of points
Dima020 [189]
6. Is 6MPH because 12M / 2H
8. Is 40Seconds because 120 / 3
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2 years ago
PLEASEEE HELPPPP!!!!!!!!!skkaksks
Vesnalui [34]

Step-by-step explanation:

  1. (√3+√7)(√3+√7)
  2. (√3)^2+[(√3*√7)+(√3*√7)]+(√7)^2
  3. 3+2√21+7
  4. 10+2√21
6 0
2 years ago
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