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neonofarm [45]
2 years ago
10

If 40% of a number is 56, what was the original number?

Mathematics
2 answers:
oksian1 [2.3K]2 years ago
7 0
40/100= 56/x 40x=100(56) 40x=5600 Divide both sides by 40 to get x alone. X=140
kompoz [17]2 years ago
7 0
40/100 = 56/x
0.4 = 56/x
x = 56/0.4 = 140

Therefore the original number is 140.
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será que me pueden ayudar con las siguiente ecuaciones y con verificación por favor gracias son 8 ecuaciones 1) 3x+7=-5 2) 4=3x+
Musya8 [376]

Answer:

see below

Step-by-step explanation:

1. 2+5x=4x+7

5x-4x=7-2

x=5

2. 4x-5=1+3x

4x-3x=1+5

x=6

3. 8-5x-4=-6x+6

-5x+6x=6-8+4

x=2

4. 4x+8+2x=5x-1

6x-5x=-1-8

x= -9

7 0
3 years ago
What is the measure of AC
Amiraneli [1.4K]
Angle ABC is an inscribed angle so would be half of the arc.
So, 4x-5.5=1/2(5x+25)
4x-5.5=5/2x+25/2
4x-5.5=2.5x+12.5
4x-2.5x=12.5+5.5
1.5x=18
x=12

So angle ABC=4(12)-5.5=48-5.5=42.5
Arc AC=5(12)+25=60+25=85

Check: 42.5(2)=85

Answer: Arc AC is 85
6 0
3 years ago
Abby's cat weighs 18 pounds. Her dog weighs 2 pounds more than half her cat's weight.write and evaluate an expression to show ho
Andrews [41]

Answer:

11 pounds

Step-by-step explanation:

Just divide the cats weight by 2 and then add 2

(18)/2 + 2

7 0
3 years ago
Name the following in the figure shown below: The base or bases, The part labeled PQ, and the figure itself
zmey [24]
Take a look at it.  We know it's a cone, right?  So that answers your 3rd question. The base (or the part that it sits on if you put it down), is a circle.  The other parts it can't sit on without rolling, so it has to be that circular side.  And if that's a circle, that means that any line from the center to the outside 'circumference' is the radius.  This means that the answer is A.
6 0
3 years ago
Are 12d +36 and 12(d+3) equivalent
Nina [5.8K]

Answer:

Yes

Step-by-step explanation:

They are equivalent as 12d + 36 is the expanded form of 12(d + 3)

4 0
2 years ago
Read 2 more answers
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