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3 years ago

ABC

Mathematics

1 answer:

Virty [35]3 years ago

8 0

Answer:

Step-by-step explanation:

if the shadows are half of each other then the building is going to be half of the tree

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10 is 40% of what number?

JulijaS [17]

Hello,

$x* \frac{40\%}{100\%}=10\\\\ x= \frac{10*100}{40} \\ \\ \boxed{x=25}$

5 0

4 years ago

The total number of students in rolled at Berkmar middle school is 1400 students the ratio of boys to girls is 3 to 4 for the sc

Anna [14]

Given:

Total number of students = 1400

The ratio of boys to girls is 3 to 4 for the school.

To find:

The number of boys and girls.

Solution:

We have, Boy : Girls = 3:4.

Let number of boys be 3x and number of girls be 4x.

Total number of students = 1400

$3x+4x=1400$

$7x=1400$

Divide both sides by 7.

$x=200$

Now,

Number of boys $=3\times 200=600$

Number of girls $=4\times 200=800$

Therefore, the number of boys is 600 and number of girls is 800 in the Berkmar Middle school.

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3 years ago

A 120-gallons (gal)tank initially contains 90 lb of a salt dissolved in 90 gal of water. Brine containing 2 lb/gal of salt flows

Anna007 [38]

Answer:

The tank will contain 202 Ib of salt when it's full.

Step-by-step explanation

To find the amount of salt in the tank at time <em>t= x(t)</em>

If <em>x</em>(0)= 90Ib

To find the volume of the tank at time t

V(t)= 90+(4-3)t=90+t gal

Other solutions are found attached

Download docx

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3 years ago

Esgetteit give me a funney joek plox plox

vovikov84 [41]

Answer

why cant a orfian play baseball..... they dont know where home is.

Step-by-step explanation:

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3 years ago

Help me, i need someone to do this for me, i will give brainliest, five star and a thank you this is worth 100 points!!!!

AlekseyPX

Answer:

Step-by-step explanation:

Just trying to get points

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3 years ago