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3 years ago

What is 9.66 rounded to the nearest tenth

2 answers:

6 0

9.66
^ This is the tenths place.

Look at the number after it, if it's 5 or more we round up, if it's 4 or less we round down.

The number is 6, so we round up to 9.7.

Tatiana [17]3 years ago

5 0

9.7, because .66, the 6 in the 100 place rounds to 7, because five and higher round up and 4 and lower round down, another example of this is 23, which rounds down to 20, and 47 rounds up to 50

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Solve the following system using the Substitution method:

Liono4ka [1.6K]

<u>Answer:</u>

(x, y) = (-2, 2)

<u>Step-by-step explanation:</u>

We are given the following two equations which we are to solve using the substitution method:

$x - y = -4$ --- (1)

$x - 2y = -6$ --- (2)

From equation (1):

$x = y-4$

Substituting this value of x in (2) to get:

$x = [tex]x - 2y = -6\\\\(y-4)-2y=-6\\\\-y=-6+4\\\\-y=-2$ [/tex]

y = 2

Substituting the value of y in (1) to get x:

$x - y = -4$

$x - 2 = -4$

$x = -4 + 2$

x = -2

Therefore, (x, y) = (-2, 2).

6 0

3 years ago

Classify this triangle by its sides.

Lunna [17]

Answer:

isosceles but not equilateral

Step-by-step explanation:

this is because you have 2 equal sides but not all are equal for it to be a equilateral triangle

5 0

3 years ago

Find the sum of the value of 8 in 387,562 and the value of 7 in 7,328,562

MAXImum [283]

387,562
The 8 is in the ten thousands place, so it equals 80,000.

7,328,562
The 7 is in the millions place, to it equals 7,000,000.

The sum is the value of two numbers added together (the answer to an addition problem).

80,000 + 7,000,000 = 7,080,000

6 0

4 years ago

What is the area of a triangle whose vertices are R(−4, 2) , S(1, 2) , and T(−5, −4) ?

igor_vitrenko [27]

I will solve it using vectors
vector(SR)=(-5,0)
vector(ST)=(-6,-6)area equals half the cross product of these vectors
A = 1/2(30-0)=15 square units

3 0

3 years ago

If a musician uses his credit card to pay for a new violin that costs $2,900 and does not pay on it until the second month, what

OLEGan [10]

Answer:

$97.15.

Step-by-step explanation:

We have been given that a musician uses his credit card to pay for a new violin that costs $2,900 and does not pay on it until the second month. The interest rate of credit card is 3.35% monthly.

We will use interest formula to solve our given problem.

$I=PrT$ , where,