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Papessa [141]
4 years ago
11

1/2x=1/4 what does x =???

Mathematics
2 answers:
nalin [4]4 years ago
6 0

Answer:

x=2

Step-by-step explanation:

First of all cross-multiply.

1/2x=1/4

(1) x (4) =1 x 2x

4=2x

After flip the equation.

2x=4

Then divide both sides by 2.

2x/2=4/2

x=2

il63 [147K]4 years ago
3 0
The answer would be X=2 I believe
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ashleigh rode her bicycle 26.5 miles in 4 hours which gives the best estimate of how far ashleigh rode in 1 hour.
Advocard [28]
26.5 miles in 4 hours is stating 26.5 miles per 4 miles.
To find out how far it is in one mile, you can either make a proportion or divide 26.5 miles per mile by 4.
Division:
\frac{26.5}{4}/ \frac{4}{4}
\frac{26.5}{4}=6.625
\frac{4}{4}=1
26.5 miles per 4 hours = 6.625 mph
Proportions:
\frac{26.5}{4}= \frac{x}{1}
26.5=4x
6.625=x
In one hour, Ashleigh traveled 6.625 miles in 1 hour.
7 0
4 years ago
Read 2 more answers
Simplify 5a+6a2+7a-4a2-9a
Mice21 [21]

Answer:

2a to the second power + 3a

Step-by-step explanation:

8 0
3 years ago
An airliner travels 50 miles in 6 minutes. What is its speed in miles per​ hour?
MrRissso [65]
She has been going for 6 minutes. Since she’s flown 50 miles, her rate is 50/6. If you simplify it is 12 miles per hour.
7 0
3 years ago
Simplify V-16<br> a. -8i <br> b. -4i <br> c. 4i <br> d. 8i
Lena [83]

Answer:

C. 4i

Step-by-step explanation:

√-1 is imaginary number i

Step 1: Write expression

√-16

Step 2: Factor

√-1 · √16

Step 3: Simplify

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6 0
3 years ago
Prove algebraically that each expression has the same value by evaluating each expression for y=5:
Illusion [34]

Answer:

See explanation

Step-by-step explanation:

Given two expressions

7(3y-5)-2(10+4y)

and

13y-55

Substitute y = 5 into each expression:

1.

7(3y-5)-2(10+4y)\\ \\=7(3\cdot 5-5)-2(10+4\cdot 5)\\ \\=7\cdot (15-5)-2\cdot (10+20)\\ \\=7\cdot 10-2\cdot 30\\ \\=70-60\\ \\=10

2.

13y-55\\ \\=13\cdot 5-55\\ \\=65-55\\ \\=10

As you can see the results are the same.

7 0
4 years ago
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