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3 years ago

7

A bag contains white marables and red marables,126 in total.the number of white marables is 6 more than 5 times the number of re

d marables.how many marables are there

1 answer:

Tanya [424]3 years ago

6 0

Answer:

126

Step-by-step explanation:

you typed a bag contains white marables and red marables, <u><em>126 in total</em></u>.

please tell me if i read it wrong.

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A red-light flashes every 28 seconds. A green light flashes every 24

Maslowich

Answer:

168 seconds

I edited the answer.

Step-by-step explanation:

To find the the time taken for both lights to flash at the same time, we need to find the lowest common multiple of 28 and 24.

28 x 6 = 168, 24 x 7 = 168

The LCM of 28 and 24 is 168.

So it takes 168 seconds for both lights to flash at the same time.

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3 years ago

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ollegr [7]

What I don’t get it

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3 years ago

sarah used 3/4 pound of blueberries to make 1/2 cup of jam. how many pounds of blueberries would she need to make a cup of jam?

Ksenya-84 [330]

Answer: She needed $1\frac{1}{2}\text{ pounds of blueberries}$ to make a cup of jam .

Step-by-step explanation:

Since we have given that

Sarah used $\frac{3}{4}$ pound of blueberries to make $\frac{1}{2}$ cup of jam.

As we need to find the number of pounds of blueberries she would need to make a cup of jam.

So, we will use "Unitary Method":

$\text{For }\frac{1}{2}\text{ cup of jam},\\\\\text{ she need }\frac{3}{4}\text{ pound of blueberries }\\\\\text{ For 1 cup of jam}.\\\\\text{She need }=\frac{3}{4}\times 2=\frac{3}{2}=1\frac{1}{2}\text{ pounds of blueberries }$

Hence, She needed $1\frac{1}{2}\text{ pounds of blueberries}$ to make a cup of jam .

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3 years ago

The difference of 20 and x

Anni [7]

Answer:

20-x

Step-by-step explanation:

you need the value of x to answer

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3 years ago

ABCD is a parallelogram. If ad = 2x + 10 and CD = 4x - 20, for what value of x will abcd be a rhombus

dimaraw [331]

Answer:

15

Step-by-step explanation:

All sides of a rhombus are equal, so

$2x+10=4x-20 \\ \\ 10=2x-20 \\ \\ 2x=30 \\ \\ x=15$

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1 year ago