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inna [77]
3 years ago
15

Can you guys help me

Mathematics
2 answers:
svetoff [14.1K]3 years ago
7 0
5. -5
6. -45
7. 45
8. 5
Genrish500 [490]3 years ago
5 0

Hello there!

-15:3=-5

-15*3=-45

-15*(-3)=45

-15:(-3)=5

Explanation:

Keep in mind that if we multiply or divide by a negative number, we get a positive number.

Hope this helps!

~Just a joyful teen

GraceRosalia :)

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If there are 1,200 calories in 8 oz of hot fudge, how many calories are in 1,500 men, how many women are there?
Allisa [31]
1200/8 = 150 thus, 150 per calorie. 150 x 3 = 450 :)
7 0
3 years ago
Johnny makes wooden benches to sell. His advertising costs are $150 per month and each bench costs him $100 to make. If he sells
kicyunya [14]

Answer:

2 benches

Step-by-step explanation:

Selling Price per bench = $175

Cost per bench = $100

profit per bench = $175 - $100 = $75

assuming that he sell x benches a month,

profit in 1 month = $75x

given that his advertising costs are $150 per month, in order to break even, his profit must be equal to his advertising profit.

i.e

$75x = $150

x = 150/75

x = 2

4 0
3 years ago
Suppose cot(theta) = 5/12, where pi < theta < 3pi/2. What is sin(theta)?
trasher [3.6K]

Answer:

- 12 /13

Step-by-step explanation:

Given that:

Cot(θ) = 5 /12 ;

Recall ; cot θ = 1 / tan θ ; tan θ = sin θ / cos θ

Hence ;

tan θ = 1 / cot θ

tan θ = 1 ÷ (5 / 12)

tan θ = 1 * 12 /5 = 12/5

Tan θ = opposite / Adjacent = 12 /5

Sin θ = opposite / hypotenus

Hypotenus = √(opposite² + adjacent²)

Hypotenus = √12² + 5²

Hypotenus = √(144 + 25)

Hypotenus = √169

Hypotenus = 13

Hence,

Sin θ = opposite / hypotenus = 12 / 13

pi < theta < 3pi/2 lies in the 3rd quadrant ; SinΘ will be negative ;

Sin θ = - 12 /13

6 0
3 years ago
Read 2 more answers
1. What is the value of the y-coordinate of the solution to the system of equations x + 2y = 9 and x - y = 3? 1) 6 3) 3 2) 2 4)
Andreyy89

Answer:

2) 2

Step-by-step explanation:

Subtract each equation from each other

x + 2y = 9

<u>-x+  y  = -3</u>

<u>3y </u>= <u>6</u>

3       3

So y = 2

7 0
3 years ago
What are the coordinates of the point on the directed line segment from (-10, -2) (10,−10) that partitions the segment into a ra
sveta [45]

Answer:

The answer to your question is (-5/2, -5)

Step-by-step explanation:

Data

A (-10, -2)

B (10, -10)

ratio 3/5

Formula

X = (x₁ + rx₂)/(1 + r)

Y = (y₁ + ry₂)/(1 + r)

Process

1.- Calculate X

x₁ = -10     x₂ = 10

X = (-10 + 3/5(10))/ (1 + 3/5)

X = (-10 + 30/5) / 8/5

X = -4/8/5

X = -5/2

2.- Calculate Y

y₁ = -2           y₂ = -10

Y = (-2 + (3/5)(-10))/(1 + 3/5)

Y = (-2 - 30/5) / 8/5

Y = -8/8/5

Y = -5

3.- The coordinates of the point are (-5/2, -5)

5 0
4 years ago
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