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Ivanshal [37]
3 years ago
11

Need serious help with this!!!!!!!!!!!!!!!!!!!

Mathematics
2 answers:
Ivenika [448]3 years ago
3 0
192 miles is how far it travels
Lesechka [4]3 years ago
3 0

Answer:

240 miles

Step-by-step explanation:

64x3 =192

3/4 of 64 is 48

192 + 48 = 240

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How do i pick any f to c in one day
Advocard [28]
Get an A+ on a test.
8 0
3 years ago
A chemical company makes two brands of antifreeze. The first brand is 55 % pure antifreeze, and the second brand is 80 % pure an
Likurg_2 [28]

We have 55% and 80% antifreeze.  We need 90 gallons of 75%.  

F - 55% and E - 80%

A) F + E = 90

B) .55 F + .80 E = 67.50 (which is .75 * 90)  Multiplying A) by -.55

A) -.55 F -.55 E = -49.50 (which is -.55 * 90) then adding A) & B)

.25 E = 18

E = 72 gallons of 80% and

F = 18 gallons of 55%

********* DOUBLE CHECK ******************

72 * .80 = 57.60  and 18 * .55 = 9.90

57.60 + 9.90 = 67.50 gallons of antifreeze and we have 90 total gallons

(67.50 / 90) * 100 = 75% correct!

Source: 1728.com/mixture.htm


3 0
3 years ago
Select the correct answer.
antiseptic1488 [7]

Answer: Oc. 28

Step-by-step explanation:

5^2=25

3+5^2=3+25=28

4 0
2 years ago
Please help I don't understand
valina [46]
17) The line that is John is closer to certain but not exactly on certain so I'd say it's "likely"

18) Using that same example as the one above, if 0 means impossible, then 1 means certain. I'd place your label for Sara at 1. 

19) Let s = sides of the square. There are 4 sides and all sides are equal so we can set up the equation 4s = 64. Divide both sides by 4. s =  16. Now add 2 to this. 16 + 2 = 18. The length of each side of the original square was 18.

20) If the scale is 1 cm : 1 meter and the height of the model is 16 cm, then the actual plane must be 16 meters. 

21) 2x and 100 are supplementary angles meaning together they must add up to 180.

2x + 100 = 180
2x = 180 - 100
2x = 80
Divide both sides by 2
x = 40

22) Assuming 3x is supposed to be the right angle, right angles are 90 degrees. 

3x = 90
Divide by 3 on both sides
x = 30. 
6 0
3 years ago
Subtract. – 0.41 – 8.91<br> a. –9.32<br> b. –8.50<br> c. 8.50<br> d. 9.32
Free_Kalibri [48]
The answer is a -9.32
5 0
3 years ago
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