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3 years ago

14

What is the first operation used to evaluate 13-2x3+4 divided by 4+4

1 answer:

lisabon 2012 [21]3 years ago

6 0

Answer:

multiplication

Step-by-step explanation:

The evaluation of ...

13 -2·3 +4/4 +4

starts with the multiplication, because there are no exponents or parentheses.

13 -6 +4/4 +4

Next is the division:

13 -6 +1 +4

Finally, the addition and subtraction:

7 +1 +4

8 +4

12

_____

We have assumed your x is not a variable, but is intended to indicate multiplication. We have also assumed that your "divided by" implies no particular grouping, so that the numerator is the first preceding number and only the first following number is in the denominator.

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Find the distance between the two points rounding to the nearest tenth (if necessary).

iris [78.8K]

Step-by-step explanation:

Distance between (−3,6) and (−9,−2):

$(x_1, y_1)$

= coordinates of the first point

= (-3,6)

$(x_2, y_2)$

= coordinates of the second point

= (-9,-2)

$d = \sqrt{(x_2 - {x _1) }^{2} + (y_2 - {y _1) }^{2}}$

$d = \sqrt{ (- 9 - ( - 3) {)}^{2} + ( - 2 + 6 {)}^{2} }$

$d \: = \sqrt{ (- 6 {)}^{2} +( 4 {)}^{2} }$

$d = \sqrt{36 + 16}$

$d = \sqrt{52}$

$d = \sqrt{13 \times 2 \times 2}$

$d = 2 \sqrt{13}$

5 0

3 years ago

Which equation is a point slope form of the equation of this line?

Leni [432]

Answer:

D.

Step-by-step explanation:

slope = m = rise/run = 2/1 = 2

The slope is 2.

Use point (-2, 1).

y - y_1 = m(x - x_1)

y - 1 = 2(x - (-2))

y - 1 = 2(x + 2)

Answer: D.

4 0

3 years ago

9+10============================================================================================================================

Tamiku [17]

Answer:

19

Step-by-step explanation:

6 0

3 years ago

Read 2 more answers

Will mark BRAINLIEST! PLEASE HELP!

s344n2d4d5 [400]

Answer:

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Step-by-step explanation:

7 0

3 years ago

The ratio of John's money to Jimmy's money is 5:8. Jimmy spent 1/4

erma4kov [3.2K]

Answer:

a. $3600

b. 6:5

Step-by-step explanation:

Put the question into an equation:

8x - 1/4 x 8x = 5x + 450

(simplify before solving) 6x = 5x + 450

(solve) 6x-5x = 450

x = 450

This means that Jimmy had 8 x 450 $ to start with = 3600

you can check this by subtracting a quarter of 3600 from 3600 and also multiplying 450 by 5 and then obtaining their difference. You get 450!

Now ratio of new amounts:

Jimmy now has: $2700

John still has: $2250

so ratio is 2700:2250

simplify to 6:5

Hope this helps

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3 0

4 years ago