3 years ago

The sum of two numbers is 72. one number is 4 less than the other number. what are the two numbers?

1 answer:

8 0

Let 1st number be = x
Thus second number = x - 4

Now

(x) + (x - 4) = 72
2x - 4 = 72
2x = 76
x = 38

1st number is 38 thus 2nd number is (38 - 4) = 34

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For f(x) = 5x - 7, find f(-3).

dimaraw [331]

Answer:

-22

Step-by-step explanation:

f(x) = 5x -7

substitute x = -3 into the equation as follows:

f(-3) = 5( -3) -7

= -15-7

= -22

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3 years ago

What is the value of X in this figure? Answers: 6 6√3 12√2 12√3

Lady bird [3.3K]

Answer:

$12\sqrt{2}$

Step-by-step explanation:

$\sqrt{12^2+12^2}$

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$\sqrt{12^2\cdot \:2}$

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3 years ago

You invest $1,000 in an account with 6 % interest, compounded annually. Assume you do not touch the money or add money other tha

IRISSAK [1]

Answer:

A) 1790.85

Step-by-step explanation:

Hi there!

In order to solve this problem, you’ll need to use the compound interest formula $x = p(1 + \frac{r}{n} )^n^t$

p will be your principle, or starting amount, which is 1,000.

r will be your percentage, which is 0.06.

n will be the amount of times interest is compounded, since this question says compounded anually, your compound will be 1.

t is the time in years it is compounded, which is 10.

When the numbers are plugged in, we get $x = 1,000(1 + \frac{0.06}{1})^1^0$

When we solve for this, we get 1790.85.

Hope this helps! :)

5 0

3 years ago

5,900 round to the nearest thousand

Karo-lina-s [1.5K]

The answer is six thousand

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3 years ago

What is the equation of a line that has a slope of 0 and passes through (5, −2)?

kumpel [21]

y=-2

Step-by-step explanation:

if line has zero slope (b) it means that b is undefined.

if x=0 y=-2 because line has no slope. so b=-2

y=-2

4 0

3 years ago