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2 years ago

8

A submarine moved from the water surface at a speed of -20 m per minute . How far is the

1 answer:

viva [34]2 years ago

4 0

Answer:-140 miles

Step-by-step explanation:

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X + 6y = 2 4x - 3y = 10 Pick the first step to solving this system of equations using the addition method.

podryga [215]

<span>This one is the correct answer----->Multiply the bottom equation by 2 thus eliminating the y variable when the equations are added together.

</span><span>X + 6y = 2 ....top
</span><span>4x - 3y = 10...bottom

if we multiply the bottom equation by 2 .......... => 8x - 6y = 20
if we add it to the top one..........>(8+1)x +(6-6)y = (20+2)
then we solve for x => x = 22/9

then with the top equation, we solve for y == > y = -2/27</span>

4 0

2 years ago

2-^3=<br> -8<br> -6<br> -1/6<br> 1/8<br> 2/3

Allisa [31]

Answer:

-8

Step-by-step explanation:

Hope this helps!

8 0

3 years ago

How many cents are in $1

galben [10]

Answer:

100

Step-by-step explanation:

There are 100 cents in one dollar

3 0

2 years ago

Read 2 more answers

Trinity's clothing store has 36 parking spots in front if the store. Eleven of the parking spaces are currently empty. What perc

Mila [183]

36 - 11 = 25

25 / 36 = .69

69%

8 0

3 years ago

Harry solves the equation 1/3t = 15. He says the solution is 30. Is his answer correct? Fill in the blanks to explain how Harry

aksik [14]

Harry can first substitute 30 for t

He can then multiply $\frac{1}{3}$ by 30 to get a product of 10

Since, 10 is not equal to 15, Harry's solution is not correct.

<em><u>Solution:</u></em>

Given that,

Harry solves the equation:

$\frac{1}{3}t = 15$

He says the solution is 30

We have to check if his answer is correct or not

<em><u>Fill in the blanks to explain how Harry can check whether his solution is correct</u></em>

Harry can first substitute 30 for t

$\frac{1}{3} \times 30 = 15$

He can then multiply $\frac{1}{3}$ by 30 to get a product of 10

$10\neq 15$

Since, 10 is not equal to 15, Harry's solution is not correct

<em><u>Correct solution:</u></em>

$\frac{1}{3}t = 15\\\\t = 15 \times 3\\\\t = 45$

Thus correct solution is 45

5 0

2 years ago