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3 years ago

Round 0.978 to the nearest tenth

1 answer:

5 0

The answer is one, because the number seven in the hundredths column is greater than five so you round the nine up to 1.0.

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Sami's bank account earns 4% simple interest per year. If Sami deposits $500, how much simple interest will she earn in four yea

Oksanka [162]

Answer:

Step-by-step explanation:

1% of 500 is 5

5*4(amount of years) = £20

3 0

3 years ago

Write the equation of the line if the slope = -3/5 and the line passes through (-4, 0). Show your work.

topjm [15]

Answer:

3x+5y+12=0

Step-by-step explanation:

This information is given in the question:

m=-3/5

x1=-4

y1=0

The formula for the equation of a line is:

y-y1=m (x-x1)

From this we can make a substitution

y-0=-3/5 (x--4)

Next simplify

y=-3/5 (x+4)

Multiply both sides of the equation by 5

5y=-3x-12

Make the right side of the equation equal to zero

3x+5y+12=0

This is the equation of the line in general form.

3 0

4 years ago

Read 2 more answers

Write as an expression and simplify

Alexus [3.1K]

Answer:

Part a) $(2m+7n)(2m-7n)$

Part b) $x^2-16xy+64y^2$

Part c) $216a^3b^6$

Part d) $(a^2-b^2)$

Step-by-step explanation:

Part a) The difference of the squares of 2m and 7n.

we know that

The difference of the squares formula is equal to

$(a^2-b^2)=(a+b)(a-b)$

substitute

$(2m)^2-(7n)^2=(2m+7n)(2m-7n)$

Part b) The square of the difference of x and 8y

The formula of the square of the difference between two numbers is equal to

$(a-b)^2=a^2-2ab+b^2$

substitute

$(x-8y)^2=x^2-2(x)(8y)+(8y)^2=x^2-16xy+64y^2$

Part c) The tripled product of 6a and b^2

we have

$(6ab^{2})(6ab^{2})(6ab^{2})=(6ab^{2})^3=(6^3)(a^3)(b^{2})^3=216a^3b^6$

Part d) The product of the sum of a and b and their difference

The expression is equal to

$(a+b)(a-b)$

The expression represent the difference of the squares between a and b

$(a+b)(a-b)=(a^2-b^2)$

7 0

3 years ago

Help me with these please!!

vekshin1

I'm kind of in a rush, the answer is 72!

4 0

4 years ago

Which of the following has 8.012 in written form?A.eight and twelve hundredthsB.eight and twelve thousandthsC.eight and twelve t

abruzzese [7]

The correct answer to this problem is letter choice B

8 0

3 years ago

Read 2 more answers