3 years ago

Entrance A

Mathematics

1 answer:

Andrews [41]3 years ago

7 0

Answer:

(5.8)

Step-by-step explanation:

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Answer:

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3 years ago

Find the length of QP given Q is the midpoint of XF, PQ =2X+1, XF=7X-4, PF=X

nadezda [96]

Answer:

Therefore the length of QP = 3.4 units

Step-by-step explanation:

Given:

PQ = 2x + 1

XF = 7x - 4

PF = x

Q is the mid poimt of XF

∴ XQ = QF

QF = PQ - PF ..........( Q - F - P )

= 2x + 1 - x

∴ QF = x + 1

∴ XQ = QF = x + 1

TO Find:

QP = ?

Solution:

By Addition Property we have

$XP = XQ + QF+PF ..........(X-Q-F-P)\\\\$

$XF + PF =XQ + QF+PF ..........(X-Q-F-P)\\$

Substituting the given values in above equation we get

(7x - 4) + x = (x +1) + (x +1) + x

8x -4 = 3x +2

8x - 3x + 4 + 2

5x = 6

∴ $x = \frac{6}{5}$

Now we require

QP = (2x + 1)

∴ $QP = 2\times \frac{6}{5} +1\\\\QP = \frac{12+5}{5} \\\\QP =\frac{17}{5} \\\\\therefore QP = 3.4\ unit$

Therefore the length of QP = 3.4 units

3 0

3 years ago

How are the numbers 3, 4, and 17 alike

Tanzania [10]

They are all prime numbers

4 0

3 years ago

Find the slope of the line that passes through the points (-2,-2) and (6,2).

sergey [27]

Answer: 1/2

Step-by-step explanation: Mark the points and then go up one on the y axis and right 2 on the x axis and it’ll land on your point

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3 years ago

Three more than the product of a number 4 is 15

weqwewe [10]

3+4x=15
4x=15-3
4x=12
x=12/4
x=3

The check is:

<span>If x=3 then, </span>

3+ (4 X 3)=15

<span>3+12=15</span>

3 0

4 years ago

Read 2 more answers