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Lemur [1.5K]
3 years ago
6

Answers for the 3 boxes please ​

Mathematics
2 answers:
puteri [66]3 years ago
7 0

Answer:

-1/7

Step-by-step explanation:

Tomtit [17]3 years ago
3 0
In order for two lines to be perpendicular, their gradients must multiply together to get -1

7*b=-1

7b=-1

Divide both sides by 7

So, the gradient of line b is -1/7
You might be interested in
PLS HELPP!!!!<br> Find f(-5) if f(x)=|x+1|<br> a.6<br> b.5<br> c.4
natka813 [3]
The answer is 4 because, -5+1 is -4 then the absolute value of -4 is 4. Hope this helps
4 0
2 years ago
Which of the following is the solution set to the equation -4(x+1)^2 -3=- 51
ANTONII [103]

Answer:

x is equal to 2.5 and -4.5

Step-by-step explanation:

-4(x + 1)² - 3 = -51

-4(x² + 2x + 1) - 3 = -51

-4x² - 8x -3 - 3 = -51

-4x² - 8x - 6 = -51

-4x² - 8x = -45

-4(x^2 + 2x) = -45

-4(x^2 + 2x + 1) = -49

-4(x + 1)² = -49

(x + 1)² = 49/4

x + 1 = ± √(49/4)

x + 1 = ± 7/2

x = -1 ± 3.5

x = 2.5, -4.5

6 0
2 years ago
Could I get some help? Its simplifying square roots of negative numbers.​
Ainat [17]

Answer:

The square root of -100 is 10i.

Step-by-step explanation:

8 0
3 years ago
Michael is paid $9 per hour to work at the movie theater and $7 per hour when he helps his aunt at her bakery. Michael cannot wo
KIM [24]

Answer:

The first one/$9 an hour job.

Step-by-step explanation:

For every 32 hours he works at the $9 per hour job he makes $288.

On the other hand, for every 32 hours he works at the $7 per hour job he only makes $224.

So the only one that'll work where he gets at least $251 is the $9 an hour job.

<u>Hope this helps and have a nice day!</u>

6 0
3 years ago
Addie selects from 12 shirts, 4 pair of pants, 5 jackets and 2 pair of shoes. How many possible outfits can she make?
choli [55]

Answer:

480

Step-by-step explanation:

All you have to do is multiply all the numbers together.

12 * 4 * 5 * 2 = 480

8 0
3 years ago
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