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Juliette [100K]
3 years ago
13

50 POINTS! PLZ HELP NO ONE HELPED ME LAST TIME BUT I HOPE SOMEONE WILL THIS TIME! ALSO DON'T KNOW WHY I'M WRITING IN ALL CAPS

Mathematics
2 answers:
melisa1 [442]3 years ago
8 0

Answer:

25 helium balloons

Step-by-step explanation:

125                 90/3.50 = 25.7  

-35                      I just took away the decimal

--------

90

dalvyx [7]3 years ago
5 0

Answer:

\frac{90}{3.5}

Step-by-step explanation:

Let x be the number of helium balloons they can buy

  1. Write it out: 35 + 3.50x = 125
  2. Subtract 35 from each side, so it now looks like this: 3.50x = 90
  3. Divide each side by 3.50 to cancel out the 3.50 next to x. It should now look like this: x = \frac{90}{3.5}  

I hope this helps!

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-14(3a+6)=12(6-4a)+12 and steps please
Sunny_sXe [5.5K]

Answer:

In the given equation -14(3a+6)=12(6-4a)+12 the value of a is 28

Step-by-step explanation:

Given equation is -14(3a+6)=12(6-4a)+12

To simplify the given equation:

-14(3a+6)=12(6-4a)+12

Taking all terms to one side

-14(3a+6)-12(6-4a)-12=0

-[14(3a+6)+12(6-4a)+12]=0

Now dividing by negative sign on the above equation we get

14(3a+6)+12(6-4a)+12=0 (using distributive property)

42a+84+72-48a+12=0 ( adding the like terms )

-6a+168=0

-6a=-168

6a=168

a=\frac{168}{6}

Therefore a=28

Therefore in the given equation -14(3a+6)=12(6-4a)+12 the value of a is 28

8 0
3 years ago
()+()+()+()+()=30
Iteru [2.4K]
<span>There are 5 boxes, where we have to put given numbers. Addition of 5 odd numbers always gives an odd number result. 30 is an even number. So there is no combination of given numbers which can give you 30 as a result. 
</span>
3 0
3 years ago
A coin collector has $45 in just dimes and quarters in a piggy bank he counted all the coins and there are 240 total how many ea
Whitepunk [10]

Answer:

The number of <u>dimes are 100</u> and number of <u>quarters are 140.</u>

Step-by-step explanation:

Let the number of dimes be 'd' and quarters be 'q'.

Given:

The sum of amount is $45.

The total number of coins are 240.

1 dime = $0.10

∴ 'd' dimes = \$0.10d

1 quarter = $0.25

∴ 'q' quarters = \$0.25q

Now, as per question:

d+m=240-----1\\0.1d+0.25q=45---2

Multiplying equation (1) by -0.1 and adding the result to equation (2), we get:

-0.1d-0.1q=240\times -0.1\\-0.1d-0.1q=-24\\0.1d+0.25q=45\\-----------\\0.15q=21\\q=\frac{21}{0.15}=140\\\\d=240-q=240-140=100

Therefore, the number of dimes are 100 and number of quarters are 140.

7 0
3 years ago
Can you please help me answer this question what's a+3
Inessa [10]

Answer:

a+3

Step-by-step explanation:

You cannot go any further in answering this question.  These two terms are not like terms so they cannot be combined.  Therefore, the answer is just a+3 itself.

7 0
3 years ago
Find the surface area for the following prisms.
liubo4ka [24]

Answer:

  • uixis9sugwhwo19wha

Step-by-step explanation:

isisisisisisi

7 0
3 years ago
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