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anygoal [31]
3 years ago
8

1/3 + a = 5/4 a = Solve the equation.

Mathematics
1 answer:
mafiozo [28]3 years ago
7 0

Answer:

Step-by-step explanation:

1/3 + a = 5/4

-1/3        -1/3

<u>a = 4/1 </u>

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How many lines of reflectional symmetry does an equallaterial triangle have
d1i1m1o1n [39]
3. It has 3 symmetrical lines, so, therefore, has 3 lines of reflectional symmetry.

Hope this helps!
<em>~cupcake </em>
4 0
3 years ago
2 boxes has 50 pieces of candy and the other 2 boxes have 20 pieces of candy. how could ivanna solve for,c, the total number of
Norma-Jean [14]
C= 50y+20x
Where y is the number of boxes holding 50 pieces each and x is the number of boxes holding 20 pieces each.
7 0
3 years ago
WILL AWARD BRAINLIEST!
Paladinen [302]

Answer: 27465 km/h

Step-by-step explanation:

From the figure, let us use cosine formula to calculate the resultant displacement.

B^2 = C^2 + A^2 - 2(A)(C) cosØ

Where C = 580km

A = 360 km

Ø = 153 degree

Substitute all the parameters into the formula

B^2 = 580^2 + 360^2 - 2(360)(580)cos153

B^2 = 466000 - ( - 372084.32 )

B^2 = 466000 + 372084.32

B^2 = 838084.32

Square root both sides

B = 915.5 km

You are told to use a scale of 1 cm to 50 km.

Therefore, B = 915.5/50 = 18.3 cm

The time given are: 09:23 and 09:25.

The time difference = 25 - 23 = 2 minute.

Convert minutes to hours

2 minute = 2/60 = 1/30 hours

Speed = distance/time

Speed = 915.5 ÷ 1/30

Speed = 915.5 × 30

Speed = 27465 km/h

Or

Convert 2 minute to second

2 minute = 2 × 60 = 120 seconds

Speed = distance/time

Speed = 18.3/120

Speed = 0. 1525 cm/s

7 0
3 years ago
2x-7=8x-47-(3x-14)/2
jok3333 [9.3K]
2x - 7 = 8x - 47 - (3x - 14) / 2
combine like terms
0= 6x - 40 - (3x-14)/2
(3x-146) / 2
isolate x
x=22/3

your final answer would be x=22/3


5 0
3 years ago
A baby weighs 8 pounds. How many kilograms is it equal to?
timofeeve [1]

Answer:

3.6

Step-by-step explanation:

if 0.45 is 1 pound then you could do 8 x 0.45 because the baby is 8 pounds

3 0
3 years ago
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