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3 years ago

Which number is larger 2/5 or 3/4

Mathematics

1 answer:

Natali5045456 [20]3 years ago

5 0

2/5 = 8/20
3/4= 15/20

Therefore, 3/4 is larger than 2/5~

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Please see attached picture for question:

Tasya [4]

10^2x²-3=10^9-x²

by comparison,

2x²-3=9-x²

3x²=12

x²=4

x= 2 or -2

4 0

3 years ago

I'll mark as brainliest if it lets me;-;<br>please answer B. & C. with solution:)

san4es73 [151]

Answer:

B. AC = 22, BC = 22, AB = 44

C. AC = 30, BC = 30, AB = 60

Step-by-step explanation:

$radius \: \overline {OR} \perp chord \: \overline {AB}$ at C. (given)

$\therefore AC = BC$ (perpendicular dropped from the center of the circle to the chord bisects the chord)

$\therefore 2x - 6 = x + 8$

$\therefore 2x - x= 6 + 8$

$\therefore x= 14$

$AC = 2x-6=2(14)-6=28-6= 22$

$BC= x + 8=14 + 8= 22$

AB = AC + BC = 22 + 22 = 44

$radius \: \overline {OR} \perp chord \: \overline {AB}$ at C. (given)

$\therefore BC = AC$ (perpendicular dropped from the center of the circle to the chord bisects the chord)

$\therefore 7x-5=4x+10$

$\therefore 7x - 4x= 5 + 10$

$\therefore 3x= 15$

$\therefore x= \frac{15}{3}$

$\therefore x= 5$

$AC = 4x+10=4(5)+10=20+10= 30$

$BC= 7x - 5=7(5)-5=35-5= 30$

AB = AC + BC = 30 + 30 = 60

7 0

2 years ago

A vet's office offers boarding for cats and dogs. boarding a cat cost$20 per night and a dog cost $25 per night if the vet's off

MAVERICK [17]

Answer:

b. x+y=18

20x+25y=400

Step-by-step explanation:

7 0

3 years ago

Julie sent 200 emails last month. This month she sent 40% less. How many

NeX [460]

Answer:

She sent 120 emails this month.

Step-by-step explanation:

Multiply 200 by .60 (60 percent) and it will give you 120.

I used 60 instead of 40 because the problem said 40 percent less, NOT 40 percent of 200.

8 0

2 years ago

Can someone help me with this please !!

pogonyaev

add all amd divide by the 40 ???let me know if im wrong

7 0

3 years ago

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