3 years ago

3(2+100)/4 which equation is solved for s

Mathematics

1 answer:

Naddika [18.5K]3 years ago

4 0

Answer: 76.5 I'm assuming the question is asking for the answer of 3(2+100)/4

Step-by-step explanation:

3(2+100) would become 3x102 which is 306 and when you divide it by 4 it becomes 76.5

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A remote-controlled plane is flying 16.5 meters above the ground. The plane dives 8 meters

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3 years ago

A column of water 10 feet tall exerts a pressure of......... pounds per square foot at the base. A - 124.8 B - 624. C - 62.4 D -

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Answer:

B. 624

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A store was keeping track of how many bottles of hand sanitizer and soap bars were sold last week. A bottle of hand sanitizer co

agasfer [191]

Answer:

Hand sanitizer=135 bottles

Bar soap=83 bottles

Step-by-step explanation:

Let x represent the hand sanitizer and y the sop.

-Our problem can be expressed as:

$x+y=218\ \ \ \ \ ...i\\\\4.25x+2.15y=752.20\ \ \ \ \ ...ii$

#Make x the subject in i then substitute in ii to solve;

$x=218-y\\\\\therefore 4.25(218-y)+2.15y=752.20\\\\926.5-4.25y+2.15y=752.20\\\\174.3=2.1y\\\\y=83\\\\x=218-83=135$

Hence, 135 bottles of hand sanitizer and 83 bottles of bar soap were sold.

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3 years ago

M is the midpoint of JK. Find the coordinates of K. J(0, 11), M(-3,2)

cluponka [151]

Let's assume

point K as (x,y)

M is the midpoint of JK

so, other point as J(0, 11)

M(-3,2)

$(-3,2)=(\frac{0+x}{2},\frac{11+y}{2})$

now, we can compare both sides

Calculation of x-coordinate:

we get

$-3=\frac{0+x}{2}$

$x=-6$

Calculation of y-coordinate:

we get

$2=\frac{11+y}{2}$

$11+y=4$

$y=-7$

so, we will get point K

K=(-6,-7)............Answer

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3 years ago