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OLga [1]
3 years ago
10

QueSLIUIT Which of the following is a rational number 15, V16, 127, V22

Mathematics
1 answer:
shusha [124]3 years ago
3 0

Answer:

.....

Step-by-step explanation:

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Find two consecutive whole numbers such that 4/7 of the larger exceeds 1/2 of the smaller by 5
Darina [25.2K]

Answer:

The consecutive numbers are 62 and 63

Step-by-step explanation:

Let the larger number be represented by x and the smaller number by y,

Provided they are consecutive numbers;

x = y + 1 --- Equation 1

From the question; we have that

\frac{4x}{7} = \frac{y}{2} + 5 --- Equation 2

Required

Find x and y

Multiply both sides of equation 2 by 14

14 * \frac{4x}{7} = 14 * \frac{y}{2} + 14 * 5

2 * 4x = 7 * y + 70

8x = 7y + 70 ---- Equation 3

Substitute y + 1 for x in equation 2

8(y + 1) = 7y + 70

Open bracket

8y + 8 = 7y + 70

Collect like terms

8y - 7y = 70 - 8

y = 62

x = y + 1

So,

x = 62 + 1

x = 63

Hence, the consecutive numbers are 62 and 63

8 0
3 years ago
In triangle ABC, AC is a median. The value of AC is:<br><br> A. 34<br><br> B. 6 <br><br> C. 28
Levart [38]

x+2 = 28

x = 28-2 = 26


AC = X+8 = 26+8 = 34

6 0
3 years ago
2 please answer this question
nekit [7.7K]
I believe the answer is, 2) End of Reconstruction
7 0
3 years ago
You have 16 coins that are heads up and 18 coins that are tails up. After you add some coins that are tails up, the ratio of hea
Gwar [14]
So 16=heads
18=tails
after you add some tails
18+x

ratio of heads to tails is 1:1.5
heads=16, didn't change
tails=18+x

so
1:1.5=16:18+x
fractionify
1/1.5=16/(18+x)
1/1.5=2/3
2/3=16/(18+x)
mutiply both sides by (3)(18+x)
2(18+x)=3(16)
36+2x=48
subtract 36 from both sides
2x=12
divide 2
x=6

6 tails added


total=heads+tails
heads=16
tails=18+6=24
total=16+24
total=40



6 tails added
40 total coins
6 0
3 years ago
The equation x2 - 3x = 22
gizmo_the_mogwai [7]

Answer:

x = - 3.42443 or 6.42443

Step-by-step explanation:

5 0
3 years ago
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