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Paraphin [41]
3 years ago
11

I REALLY NEED HELP PLEASE

Mathematics
1 answer:
Nezavi [6.7K]3 years ago
7 0

Answer:

10

Step-by-step explanation:

given

\frac{s + ( - 7)}{ - 1}

we first need to simplify the expression before we find it's value when s=-3

positive times negative=negative

so the equation becomes

\frac{s - 7}{ - 1}

substituting s=-3 into the equation.

\frac{ - 3 - 7}{ - 1}

=

\frac{ - 10}{ - 1}

=the negatives cancel out leaving

= 10

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Find the perimeter of missing densions if lendth is 4 rods and width is 11 yards what is the perimeter?answer_____rods
riadik2000 [5.3K]
I think it's 30 rods
3 0
3 years ago
Which expression is equivalent to n+n+n+n? pick outta these A n4 B 4n C4n to the power of 4 D n+4
labwork [276]

Answer:

B

Step-by-step explanation:

3 0
3 years ago
Read 2 more answers
Elena and Lin are trying to solve 12x+3=72x+5. Describe the change they each make to each side of the equation.
algol13

Answer:

No Solution

Step-by-step explanation:

12x + 3 = 72x + 5

subtract 12x from both sides

end up with

3 = 72x - 12x + 5

subtract 12x to 72x

3 = 60x + 5

-5 from both sides

-8 = 60x

since x is a bigger number the answer would be NO SOLUTION

12x + 3 = 72x + 5

I do not understand lins logic

x + 6 = 7x + 10

subtract 6 from both sides

x = 7x + 4

move 7x to the other side

7x = 4

divide 7

x = 0.5

Also wrong because I get how lin got that answer

My way

12x + 3 = 72x + 5

-12 x from both sides

3 = 60x + 5

+5 to other side

8 = 60x

if the x was on the other side it would make sense

but it is not so the Answer is NO SOLUTION

Hope this Helped :)

5 0
3 years ago
The space shuttle travels at 28000 mph while orbiting the earth. How far does the shuttle travel in feet per day
STatiana [176]

We are given the speed of the shuttle as:

speed = 28,000 miles / hour

 

We know that:

1 mile = 5280 ft

24 hour = 1 day

 

Therefore by conversion:

speed = (28,000 miles / hr) * (5280 ft / 1 mile) * (24 hr / day)

speed = 3,548,160,000 ft / day

 

In 2 significant figures:

<span>speed = 3.5 x 10^9 ft / day</span>

6 0
3 years ago
What are the next three terms of the geometric sequence 32, -16, 8, …?
almond37 [142]
To find the common ratio, divide the 2nd term by the first term
-16 / 32 = -0.5....this means u multiply each number by -0.5 to find the next number

8 * -0.5 = -4 <==
-4 * - 0.5 = 2 <==
2 * -0.5 = -1 <==

answer D
4 0
3 years ago
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