3 years ago

Attached below! Simplify

Mathematics

2 answers:

kkurt [141]3 years ago

6 0

Answer:

first one

Step-by-step explanation:

raketka [301]3 years ago

5 0

Answer:

The first one is the answer

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Solve the solution of the equations 10x-3y=3 and 2x+y=9

forsale [732]

Answer:

x=1.875 y=-0.875

Step-by-step explanation:

10x-3y=3 10x-3y=3

3(2x+y)=(9)3 +6x+3y=27

1/16(16x)=(30)1/16 = x=1.875

10x-3y=3 10x-3y=3

-5(2x+y)=(9)-5 -10x-5y=4

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3 years ago

For any point on the unit circle at angle 0,x= and y =

Orlov [11]

Answer:

well at 0 degrees on the unit circle the point is (1, 0)

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2 years ago

If x^2=a^2 , then {x} is (always/never/sometimes) equal to {a} Explain your reasoning.

Lelu [443]

Answer:

always

Step-by-step explanation:

for the 2 sides to be equal then x must always be equal to a

given

x² = a² ( take square root of both sides )

$\sqrt{x^2}$ = $\sqrt{a^2}$ , that is

x = a

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2 years ago

an ice cream shop sold 48 vanilla milkshakes in a day, which was 40% of the total number of milkshakes sold that day. What was t

larisa86 [58]

Answer:

$120\ milkshakes$

Step-by-step explanation:

Let

x ----> the total number of milkshakes sold that day

Remember that

$40\%=40/100=0.40$

we know that

The total number of milkshakes sold that day multiplied by the percentage of 40% in decimal form must be equal to 48

The linear equation that represent this problem is

$0.40x=48$

solve for x

Divided by 0.40 both sides

$x=48/0.40\\x=120\ milkshakes$

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3 years ago

15.

irina [24]

The answer is 0.5 when the second decimal is 5 or more you round to the next number

3 0

2 years ago