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1 year ago

Need help!! This is due before 1:00 please help ASAP!!! Will give brainliest!!

Mathematics

1 answer:

ozzi1 year ago

5 0

Answer:

7. 22 2/5 8. 10 8/10

Step-by-step explanation:

7. 7x3=21 + 7x1/5= 22 2/5

8. 2x5=10 + 2x4/10= 10 8/10

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Janice is standing 15m form the base of a building. From the point where she is standing, the angle of elevation of the top of t

Alenkasestr [34]

Answer:

the building is 28m

Step-by-step explanation:

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2 years ago

Joelle ordered 12 dozen doughnuts for the honor roll

Serjik [45]

Answer:

The answer is there are 30 glazed donuts

Step-by-step explanation:

there are 12 donuts to a dozen therefore 12 * 12 = 144 donuts all together.

donuts with chocolate icing

$144 \times \frac{3}{8} = 54$

with white icing and sprinkles

$144 \times \frac{1}{4} = 36$

donuts with pink icing

$144 \times \frac{1}{6} = 24$

Total donuts minus donuts with icing equal glazed donuts

$144 - 54 - 36 - 24 = 30$

7 0

2 years ago

1/3 is greater than what other fractions

Novosadov [1.4K]

As 1/3 = 2/6 = 3/9 = 4/12

and 2/6 is greater than 1/6
3/9 is greater than 2/9
etc..

So

1/3 is greater than 1/6 ; 2/9 ; ...

7 0

2 years ago

Read 2 more answers

(a)

Vika [28.1K]

Answer:

(a) Percentage of girls = 55 $\frac{5}{7}$

(b) Percentage of boys = 44 $\frac{2}{7}$

Step-by-step explanation:

To find percentage, we multiply the fraction out of the total by 100%.

Percentage of girls = $\frac{780}{1400}$ × 100%

= 55 $\frac{5}{7}$

Percentage of boys = $\frac{1400-780}{1400}$ × 100%

= 44 $\frac{2}{7}$

3 0

2 years ago

Read 2 more answers

6x-5y = 15 x=y+3 x= y=

Zina [86]

Answer: x = 0 y = –3

Step-by-step explanation:

We can solve this system by substitution.

use the second equation as a value for x.

Then substitute that value in place of x in the first equation and solve for y.

6x - 5y = 15 becomes

6(y + 3) - 5y = 15 Distribute 6 × parentheses

6y + 18 - 5y = 15 combine like terms

6y -5y + 18 = 15

y + 18 = 15 Subtract 18 from both sides.

y =15 -18

y = –3

Use this value for y in either equation to solve for x

6x - 5(-3) = 15

6x + 15 = 15 Subtract 15 from both sides, divide by 6 (seems silly!)

x = 0

OR in he second equation,

x = -3 + 3

Again, x = 0

6 0

2 years ago