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RSB [31]
3 years ago
8

Write the equation of a line that is perpendicular to the given line and that passes through the given point y+ 2 = -(x - 5). (4

.3) Oy=-3x+15 Oy=-3x - 9 Oy=-4x + 3 Oy=-x-11 =-​

Mathematics
1 answer:
Marat540 [252]3 years ago
5 0

Answer:

B. y = -3x - 9

Step-by-step explanation:

Please let me know if you want me to add an explanation as to why this is the answer. I can definitely do that, I just wouldn’t want to write it if you don’t want me to :)

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Find the total number of diagonals for a polygon of 10 sides.
Ugo [173]
Diagonals = n(n-3)/n where n is the number of sides

if a polygon have 10 sides
= 10(10-3)/10
= 7

thus, the polygon have 7 diagonals.
7 0
3 years ago
Predict how many students will make a shelf if<br> there are 180 students in the woodshop class.
Rom4ik [11]
180 students will make a shelf XD
4 0
3 years ago
A bank charges a fee if your account balance falls below $50. Let b represent the account balance. Write an inequality to descri
Paraphin [41]

Answer:

b < 50. The solution has infinite solutions because any number smaller than 50 would work, and their are infinite numbers smaller than 50.

Step-by-step explanation:

3 0
3 years ago
3x + 9b + 5ax + 15ab​
Irina-Kira [14]

Answer:

(x + 3b)(3 + 5a)

Step-by-step explanation:

Assuming you require the expression factorised.

Given

3x + 9b + 5ax + 15ab ( factor the first/second and third/fourth terms )

= 3(x + 3b) + 5a(x + 3b) ← factor out (x + 3b) from each term

= (x + 3b)(3 + 5a) ← in factored form

7 0
4 years ago
Find the cosine of each acute angle
Lemur [1.5K]

Answer:

cos P = 53 degrees

cos Q = 37 degrees

Step-by-step explanation:

cos P = \frac{adjacent}{hypothenuse}

cos P = \frac{24}{40}

cos P = 0.60

Cos-1 of 0.60 is 53.13 (round to the nearest whole number)

cos P = 53 degrees

cos Q = \frac{adjacent}{hypothenuse}

cos Q = \frac{32}{40}

cos Q = 0.80

Cos of 0.80 is 36.86 (round to the nearest whole number)

cos Q = 37 degrees

To check anser:

90 + 53 + 37 = 180

180 = 180

4 0
3 years ago
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