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dsp73
2 years ago
10

Giving brainliest! :)

Mathematics
2 answers:
ICE Princess25 [194]2 years ago
8 0
139b + 1.29b = 50.73
2.49m + 2.69m = 51.63
horrorfan [7]2 years ago
4 0

Answer:

1.39b + 2.49m = 50.73

1.29b + 2.69m = 51.63

Step-by-step explanation:

Systems of linear equations are used when we have 2 equations that both contain 2 unknown variables. Since we are trying to find the price of bread and milk, we can let b = num of bread and m = num of milk.

Betty spends $50.73 buying b loaves of bread and m gallons of milk, so the first equation would be 1.39b + 2.49m = 50.73. Betty spends $51.63 buying b loaves of bread and m gallons of milk at Store B, so the second equation is 1.29b + 2.69m = 51.63.

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42=16<br> log4<br> =2 <br> please help
Kitty [74]

Answer:

log = 16

Step-by-step explanation:

The logarithm of x with base b is defined as

logbx=y if and only if by=x

where x>0, b>0, and b≠1.

3 0
3 years ago
Some boys and girls took part in a competition. 2/5 of the competitors were boys. 1/3 of the boys were disqualified from the com
GaryK [48]

Answer:

45

Step-by-step explanation:

According to the Question,

  • Given, Some boys and girls took part in a competition. 2/5 of the competitors were boys So 3/5 of the competitors were girls.

And there were Total 135 competitors.

So, the Number of Boys are 135 × (2/5) = 54 boys

Therefore, the Number of Girls in the competition is 135-54 = 81 Girls.

Now,

  • 1/3 of the boys were disqualified from the competition. So, 54× (1/3) = 18 boys Disqualified . the Remaining boys are 54-18 = 36 boys left in Competition.
  • Then, The number of girls more than that of boys left in competition were 81-36 = 45
7 0
2 years ago
5.) If all the edges of prism A are multiplied by 5 to create prism B. The volume of prism B will be __________ times the volume
zimovet [89]

Question:

If all the edges of prism A are multiplied by 5 to create prism B. The volume of prism B will be __________ times the volume of prism A?

* 5

* 125

* 50

* 25

Answer:

* 5 times.

Step-by-step explanation:

Let us represent all the edges of prism A as = X

Prism B = All the edges of Prism A × 5

Prism B = X × 5

= 5X

Let's assume the prism is a cube

Volume of a Prism(cube) = L × W × H

Volume of Prism A = L × W × H

Volume of Prism B = 5 (L × W × H)

Therefore, The volume of prism B will be 5 times the volume of prism A

6 0
3 years ago
3(g-8)=18 solve for g
alina1380 [7]

Step-by-step explanation:

1.: Distribute the 3: 3g-24=18

2.: Add 24 to both sides: 3g=42

3.: Divide by 3: 3g/3=42/3

4.: Answer: g=14

7 0
1 year ago
Read 2 more answers
The selling price of a table is $630. If the cost price was $428, what is the mark up amount?
Neko [114]

Answer:

$202

Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
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