2 years ago

I NEED HELP PLS HURRY AND NO LINKS AND CAN YOU PLS OUT AN EXPLANATION

Mathematics

2 answers:

Phantasy [73]2 years ago

5 0

W letter is two pairs of parallel lines

Alchen [17]2 years ago

4 0

Answer:

Step-by-step explanation:

Set college total cost to:100%

Book cost 2%

Tuition cost75%

22500/75%=30000(total cost)

Book cost 30000x2%=600

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Solve for x:<br><br> 11x = 6x + 20

notka56 [123]

Answer:

x = 4

Step-by-step explanation:

11x= 6x +20

-6x -6x

(subtract 6x from both sides)

5x = 20

/5x /5x

divide 5x from both sides

x=4

3 0

2 years ago

Read 2 more answers

Simplify the expression <br> 9y+4-6y

Mashutka [201]

Answer:

3y+4

Step-by-step explanation:

9y-6y=3y

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2 years ago

I really need help. Find a. Round to the nearest tenth.

valina [46]

Answer:

a ≈ 1.8

Step-by-step explanation:

a / sin (180 - 105 - 15)° = 2 /sin 105°

a = (2 /sin 105°) x sin 60°

a = (2 / 0.97) x 0.87

a = 1.79 (≈ 1.8)

6 0

3 years ago

Find the area of the shaded region in square units. Show your reasoning.

motikmotik

Answer:

40 square units

Step-by-step explanation:

First of all, lets say that square has side $l$ , so, the area unit is $l^2$

the diagonal's square is $l\sqrt{2}$

CALCULATION OF TRIANGLES'S AREA (there are 4 triangles)

$A_{triangles}=4*base*heigh*0.5=2*(l\sqrt{2} )(2l\sqrt{2} )=8l^2$

CALCULATION OF MAIN SQUARE AREA

$A_{square}=side*side=(4\sqrt{2} l)(4\sqrt{2} l)=32l^2$

TOTAL AREA

$A_{total}=A_{triangles}+A_{square}=8l^2+32l^2=40l^2$

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2 years ago

The population of Townville in 1860 was 1500 people. The population grew at about a rate of 2.8% per year until 1960. What was t

antoniya [11.8K]

It reachs 5800 population in 1960 if i am not wrong. i'll check this out tomorrow right now i do not have enough time for it.

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3 years ago