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densk [106]
3 years ago
6

Choose Yes or No to tell if the fraction

Mathematics
1 answer:
Sindrei [870]3 years ago
8 0

Answer:

yes

yes

no

yes

Step-by-step explanation:

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8/m=6/15<br> use cross multiplying
Tema [17]

Answer: m=20

Step-by-step explanation:

7 0
3 years ago
What is the sum of 9+9
Igoryamba
The sum of 9+9 will equal 18
8 0
4 years ago
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Tom works 12 hours a day at a café. He is paid $8 an hour. How much<br> money is he paid in 10 days?
Masja [62]

Answer:

Tom will be paid $140 in 10 days

Step-by-step explanation:

3 0
3 years ago
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The height of a triangle is 2 less than 5 times its base. If the base of the triangle is xfeet, and the area is 12 square feet,
Reil [10]

Answer:

5B^{2}  - 12B +10B - 24 = 0\\\\\   Base of triangle = 2.4 Feet and Height of triangle = 10 feet.

Step-by-step explanation:

This problem can be solved by using formula to calculate area of triangle.

<u>Area of triangle = 1/2*(base*height)</u>

given

Let base of triangle B

height if triangle H

according to problem

The height of a triangle is 2 less than 5 times its base

mathematically it can be expressed as

H = 5*B - 2

Given area of triangle= 12 sq feet

Area of triangle = 1/2*(base*height)

=> 12 = 1/2* {B*(5*B-2)}

=> 24 = 5B^2 - 2B

5B^{2}  - 12B +10B - 24 = 0\\\\\   which is a  quadratic equation

It can be solved as given below

5B^{2}  +10B - 12B  - 24 = 0\\\\\=>5B(B +2) -12(B +2) = 0\\=> (5B - 12) (B +2) = 0\\5B - 12 = 0      or B + 2 = 0\\Hence B = 12/5 \  or  \ B = -2\\\\  

Since for side of triangle B cannot be negative number hence B= 12/5 = 2.4

Therefore height of triangle = 5*B - 2 = 5*2.4 - 2 = 12 - 2 = 10

Base of triangle = 2.4 Feet and Height of triangle = 10 feet.

Equation which models this situation is

5B^{2}  - 12B +10B - 24 = 0\\\\\

6 0
3 years ago
In a young woman's study group, 7 percent of the students are from the town where the young woman's school is located, 80 percen
Umnica [9.8K]

Answer: the percent of study group students from outside the state is 13%

Step-by-step explanation:

The total number of students in the young woman's study group that are from the town where the young woman's school is located is 7%

The total number of students in the young woman's study group that are from in-state (but not from the school's town) is 80%.

Since the rest are from outside the state, the percent of study group students from outside the state would be

100 - (80 + 7) = 100 - 87 = 13%

5 0
3 years ago
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