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Vedmedyk [2.9K]
3 years ago
14

Which expression is equivalent to 15 - -5

Mathematics
2 answers:
Jet001 [13]3 years ago
6 0

Answer:

15--5

add the negatives so its positive.

15+5=20

Step-by-step explanation:

luda_lava [24]3 years ago
3 0

Answer:

See below.

Step-by-step explanation:

15 - -5

= 15 - 1(-5)

= 15 + 5

= 20.

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Solve −8−x=−3(2x−4)+3x . Check your solution.
Nastasia [14]
X=10
-8-x=-3(2x-4)+3x
-8-x=-6x+12+3x
-8-x=-3x+12
-x+3x=12+8
2x=20
x=10
You can check your solution by inputting 10 in all the x’s and solving it:)
4 0
3 years ago
Which graph represents the solution set of this inequality? 11q +5 ≤ 49
aev [14]

Answer:

We need to isolate q on one side. 11q+5 <_ 49 Start subtracting 5 from both sides. 11q+5-5 <_ 49 -5 11q < 44 The answer will be B. q < 4.

Step-by-step explanation:

8 0
3 years ago
Read 2 more answers
on monday, elliot road 6 miles on a bike. on tuesday he rode 6 miles on wednesday he rode 3 times farther than he did monday and
Darya [45]

Answer:

48

Step-by-step explanation:

Because 6 plus 6 is 12 and if he rode 3 times how much he rode on those days it would be 12 times 3 which is 36 than it's 36 plus 12 to get 48

5 0
3 years ago
Read 2 more answers
On a trip over Thanksgiving Break Jenn's family has to drive a total of 325 miles.. If there are 126 miles to go and the car has
kherson [118]

The speed is 66.33 miles per hour

Step-by-step explanation:

Given

Total distance = 325 miles

They still have 126 miles to go. In order to find the distance they have covered, we will subtract the remaining miles from the total

So,

Distance\ covered=325-126=199\ miles

the car has been driving for 3 hours

So,

t= 3 hours

d = 199 miles

Speed=\frac{d}{t}\\=\frac{199}{3}\\=66.33\ miles\ per\ hour

The speed is 66.33 miles per hour

Keywords: Speed, Distance

Learn more about speed at:

  • brainly.com/question/1859222
  • brainly.com/question/1993757

#LearnwithBrainly

4 0
3 years ago
How to solve number 44
solniwko [45]
OK. 

Let's say a member and a non member each visit the garden ' V ' times.

The non-member's cost for each visit is  $6 .
The non member's cost for ' V ' visits is  6 V .
His total cost for the year is  6 V .

The member's cost for each visit is $3.
The member's cost for ' V ' visits is  3V .
His total cost for the year is  3V  +  the  $24 to join.

We want to know what ' V ' is  (how many times each one can visit)
if their total costs are the same.

So let's just write an equation that SAYS their costs are the same,
and see what ' V ' turns out to be.

             Non-member's cost for the year =  Member's cost for the year

                                                            6 V  =  3 V + 24

Subtract  3V  from each side:          3 V  =            24

Divide each side by  3 :                       V  =              8  .

-- If they both visit the garden 1, 2, 3, 4, 5, 6, or 7 times in the year,
the member will spend MORE than the non member.

-- If they both visit the garden 8 times in the year,
they'll both spend the same amount.  ($48)

-- If they both visit the garden MORE than 8 times in the year,
the member will spend LESS than the non-member.
______________________________________________ 

That was the algebra way to do it.

Now here is the cheap, sleazy, logical, easy way to do it:

The non-member spends (6 - 3) = $3 MORE than the member for each visit ?

After how many visits does the $3 more each time add up to the $24 that
it cost the member to join for the year ?

           $24 / $3  =  8 visits  .
5 0
4 years ago
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