2 years ago

Help with fraction proprtions

Mathematics

1 answer:

Marina86 [1]2 years ago

7 0

The first one is 100%

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Solve the equation for x. -6x + 8x = -46 A) -23 B) 3.2 C) 12 D) 16

max2010maxim [7]

6x+ 8x= 14x
14x= -46
/14 /14
x= -3.3

3 0

2 years ago

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Mom put plums and apples onto a plate. The ratio of the number of plums to the number of apples was 3:2. How many fruit did mom

Delvig [45]

Answer:

30 fruits

Step-by-step explanation:

Let

x ----> number of plums on the plate

y ----> number of apples on the plate

we know that

The ratio of the number of plums to the number of apples was 3:2

$\frac{x}{y} =\frac{3}{2}$

$x=1.5y$ ----> equation A

After Ed took 6 plums from the plate, the number of plums remaining on the plate became the same as the number of apples

$x-6=y$ ----> equation B

substitute equation A in equation B

$1.5y-6=y$

solve for y

$1.5y-y=6\\0.5y=6\\y=12$

Find the value of x

$x=1.5(12)=18$

therefore

Mon put on the table

$x+y=18+12=30\ fruits$

5 0

2 years ago

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7. A bag contains 6 red and 10 black

Tanya [424]

Answer:

125

Step-by-step explanation:

To find the expected number of black marbles, take the probability of getting a black marble times the number of marbles drawn

P(black) * 200

5/8 *200

125

We should expect 125 black marbles

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2 years ago

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Ericka and her friend are going to reshelf library books. Sherri will reshelf 50% and Ericka will reshelf 2/5 of the books. If t

ipn [44]

Ok so we start with 80 books and remove 50% so 40
2/5 of 40 is 16
16 books

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Darya [45]

Answer:

i am way

Step-by-step explanation:

to youn for thi

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